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not that this data is "scientific" or
otherwise... I strongly suspect, my chip improves
the performance of my car. Having run the stock
chip, VS the SW chip there IS a noticable difference
in how the car drives, accelerates etc. As Steve
stated there is a VERY good poss that your WOT switch
isn't coming on. I was shocked after checking mine
to find I was BARELY getting 2/3rd throttle. Wow,
THAT made a difference. Now, with that, testing
both again (for kicks and giggles) I noticed the
same basic changes, but REALLY noticed a difference
in the overall top end. 80 to 135 was faster by
over a second. So is it all in my mind?
Geof33 GruppeB #935
Carrera Targa B.A.S.T.A.R.D.
I have a 3.2 that has had several chips, stock,
Authothority, and finally, Steve's, I'm amused that
any post about a 3.2 upgrade will inevitably turn
into a p*ssing match of chip vs no chip. What gives?
I'll spell it out, and if I've missed something,
let me know:
builds car. Porsche must make car fit US regulation
for emissions and fuel milage. Porsche must also
make allowances for car gasolines available over
a large octane level. Porsche designs chip to meet
minimal requirements. Chip programmer designs chip
to run on higher octance gas. Programmer does not
have to worry about fuel efficiency or milage. Programmer
can then only program the optimal setting to maximize
too simple I guess. Just like the last time I had
my car at the track that I had run 100's of time
before. The only change was a change to Steve's
chip and my redline was hitting way before it did
on prior runs. Lap times down. Explanation?
1989 911 coupe 3.4L
2002 BMW 4.6is
2002 GMC Envoy XL
put my "Steve" chip in this Christmas,
I also noticed an improvment. Runs better, and has
a little more pull than before.
I am very happy with this chip.
up the good work Steve!
to you guys if you have read this same type of post
times from others.
1987 Carrera - GP White
my referrals worked out. They are the PCA region
President and the Chief Driving Instructor so if
they like your chip it's good for some word of mouth
among the regional racer crowd.
I was happy with the way the car performed in Time
Trials yesterday. I had a big guy for a student
(200+ lbs) and didn't get to run without him in
my car yet I took 2 sec off my best time from last
fall. I may do a lap times comparison at our next
DE later this month.
'87 911 Carrera
was an outrageously balmy day in NY today (45 deg),
so I took the opportunity to take the top off and
go for a drive. Had to take the new Steve W. chip
out for a test run anyway.
this is my first 911. Pulled the trigger after many
years of almosts. Always bought another fun car
instead, but I finally fulfilled the childhood dream.
'88 targa, venetian blue. 110k miles. Stock (not
for long ) except for stereo. 2 PO, records to day
1. Picked it up a week ago.
like the chip, but haven't really had a chance to
really try it. Hit a bit too much traffic yesterday,
though 2nd gear 4k to redline run seems to happen
with somewhat more alacrity!. To forestall any flamewars
- This is not my first sportscar, nor my first chip.
If it's only placebo (which I don't believe), I'm
fine with that too - so there.
new bilsteins and a used sport muffler sitting in
my office. Hoping for good weather this weekend
to do some wrenching.
had one of Steve's chips in my 86 coupe. The car
at the time had about 50k on the clock. I combined
the hip with a B & B dual otlet exhaust and
a MAF system. WOW!! The difference was amazing............the
car felt like it should and sounded awesome.
new 87 cab will be showing up shortly, I'm already
planning my mods, looks like DANSK twin outlet and
pre-muffler and another of Steve's chips.
I'm curious to see the difference between MY86 and
MY87. I'll probably skip the MAF this time and just
drill out the airbox.
bad the %$##%$ weather sucks!!
"Hey wait for me Racing Fan Club Director"
MEMBERSHIP #011212-3158 (Laminated)
would like to be as objective, and recount history
as accurately as possible with this post! I know
that Loren and others who are much smarter than
I have their own opinions and biases. With all due
respect, I believe that some have many more biases,
based upon presuppositions, rather than reality
are the facts and situation(s) as they pertain to
my 1984 US 911 3.2, purchased in 1995, with approx
85,000 miles. You make up your own mind based upon
your own experiences. Despite a driving/hands on
PPI, some knowledge of how cars works, and the seller's
undocumented claims, I had to flat bed the car and
put in a new clutch after only 50 miles or so, as
it was 1 or 2 days after I signed the paperwork.
I attribute it all to THE newbie process. and a
lack accessible information at the time. I read
some of the now defunct Porschefiles posts ( JD
Thank you so much for RennList!!!!!!) and sent for
Bruce Anderson's books. I was anxious to "tweek"
my Porsche and "wring" all that I could
out of her, be it performance or satisfaction. Some
"tweeks" came before and from the existing
company, and others came from busted knuckles.
doubt, the newly installed Steve Wong chip, based
upon my cars minimal upgrades and octane usage has
smoothed out my idle, eliminated idle searches and
misses, and the car is more responsive. When I had
some minor difficulties completing the resoldering
process on my 84, Steve W returned my call on a
Saturday PM, sent a .jpeg e-mail and followup call
untill my 84 was up and running that same Saturday.
If you desire a DME Chip upgrade to your 911, there
is ONLY one chip burner/manufactioner that I would
recommend for your 911, based upon my experiences
and that is Steve Wong at www.911chips.com
do know that the first 2K one I had from Protomotive
wasn't very good compared to the one I just got
from Steve W. We also must consider the difference,
if it exists in 8 years of technology improvements
chip remapping.I know how my car ran then and now,
though I have never had it dynoed. I did buy the
SW chip because it had been discusssed on many 911
boards with very happy customers. Now I am also
one of the flock.
other issue that I was trying to convey was his
outstanding customer service in my situation.
know the very expensive parts issues that I have
chased such as an idle hunt for 4 years. This has
included a new O2 sensor, 3 new fuel injectors,
3 injector rebuilds, countless plugs, diagnostic
hours, etc. I put in the Steve Wong Chip, and sprayed
some air intake cleaner and voila. The car runs
amazingly well and the best since my ownership 9
years ago. And that is what I know.
no interest, other than an extremely happy customer!
1984 3.2 Carrera
2002 996 TT X50
I got back from Daytona(Rennsport Reunion) and wanted
to let you know the car ran flawlessly! I won my
class and the car pulled strong all the way up to
150mph. That's the fastest I have ever had the car.
Keep up the great work. I ran Limerock last weekend
and took another 1.5sec off my best laptime which
is huge at that small track. I will get the car
dynoed soon so I can see where it's at.
1987 3.2 Carrera
your chip for my 1985 ROW 911 carrera 3.2 before
I went up to the formula 1 track at Sepang Malaysia
for a track day. I was very happy with the improved
drivability and performance. The low rev torque
definitely felt better, like my car was somehow
lighter!! The increased rev limit also helped with
the high rev range with a more linear band of power
than before. OK, the short of it is that I like
it. Everyone should get one!! I think its good value
too. Thanks Steve.
1985 Euro 930/20
just wanted to let you know when I first put your
chip in, it seemed pretty close to the Hypertech
one, but then I noticed a much smoother idle and
better throttle response. Definitely first gear,
it pulled real good, but then after I took it out
on the open road and punched it a little on the
freeway, jumped it up to triple digits real quick,
and seems like after I get that, the car is more
responsive. I don't know why but it's as if the
chip saw the potential there and the computer said
ok this is what we can do, but it seems to run even
stronger - much bigger difference than before -
just pulls hard throughout the whole rpm range.
Maybe you have some input on that, I'm not sure.
But is awesome, your chip is awesome. Like it all
the way around and no more backfire after I put
that bypass pipe that I used to have. Again real
smooth idle, response. Just pulls hard throughout
the whole rpm range. I can eat up the whole tach
if I want to. It just runs better. Job well done.
But anyways, I think I'm going take a minute and
order that Dansk single in dual out. It just seems
hard to phantom swallowing a $1000 for a Monty especially
when I've got other things to get. Take care.
the new chip from 911 chips today. What an improvement!
It seems to pull better in low revs and the power
doesn't tail off at higher revs. I'm doing a before
and after dyno run in a couple of weeks and will
send you a copy of the results.
1988 Euro Clubsport
Thank you for your quick response. I do have a 200
050 DME installed with a p/n 1267355102 chip. I
moved the jumper and it started up right away :-)
It is raining here today and running it in the garage
I could already tell that the engine was reacting
quicker, the idle seems normal but I will check
it later.....I had to take it out in the rain...couldn't
wait....HOLY CRAP!!!!! It is like driving a different
Even though the roads are wet I was breaking the
tires free in 2nd gear...never been able to do that
before. The engine picks up in speed tremendously
fast......just went for a quick trip and I am still
vibrating from the experience...DAMN!!!!! :-)))
What is the rev limiter set at now??? because at
one point I did see it go past 6700RPM..... Can't
wait till my Cat Bypass and Dual Exhaust shows up...
I think I am going to enjoy the summer very much.
Thank you Steve!!!
1987 911 Carrera
put S. Wong chip in my 88 carrera ( ROW 231hp )
in yesterday and now cars feels much beter then
before. After realesing throtle idle picks up way
beter then before as injection start stoping engine
at 1100 rpm as oposed to some 880 - 900 as factory
chip is. Idling is better smoother, and through
whole range engine is more lively. Dont care how
many hp is gain as long is that good is worth every
I have also audi TT chiped to 265hp and it feels
slow overall except turbo punch is more to feel,
but porsce goes way beter. If Audi have 265hp then
my carrera should have at least 250hp now in comparison.
88 Euro Carrera
what it is worth I recently made some modifications
similar to what you are asking about and found some
good threads on the board. I own an 89 Carrera coupe
and have installed a Bursch cat by-pass (didn't
notice a whole lot and exhaust note did not increase
too much), Steve Wong chip (made a difference in
idle quality, how fast the engine revs and 3K+ RPM
performance), and most recently a Dansk sport exhaust
1 in 2 out (complimented the chip but really no
performance gains until high RPMs, but nice exhaust
note). I am fortunate to work in a place that has
an emissions lab and I can promise you that with
a cat and a Steve Wong chip you will pass emissions,
well at least Wisconsin limits I am not sure if
California is different.
you I am new to this board and also the Porsche
car world so there is a learning curve. I plan on
doing as much work myself so even if there were
no gains in the above modifications I learned a
ton about the car and that was worth it to me. But
I will be very careful of my budget from here on
out partsheaven.com for a used sport muffler, the
cat by-pass in my mind is worth it just for spite
but in California I know it is tougher than here,
and the Steve Wong chip is worth it too. E-maill
him, he really helped me out a lot.
luck, and let I would be interested to hear your
comments on your suspension upgrades since that
is the next area for me to tinker with.
89 Carrera 3.2L
As much wrenching by me as possible
I installed a Steve Wong chip in my 87 Carrera prior
to heading on a bit of a road trip last week. The
much-maligned (or maybe somewhat maligned) Mr. Wong
has good product in my opinion.
I think that many people who install this type of
upgrade have high expectations and therefore might
imagine an HP gain that is not really there, I still
believe Wongs' chip is an improvement over the stock
don't feel alot of new power but the torque curve
is definately flatter and the car runs very smoothly
to redline. My basically stock 3.2 feels more willing
throughout the rev range whereas prior to the chip
swap it ran a bit rougher in spots. A friend who
has driven my car a fair bit asked if I had "tuned
it up or something." Do I have any technical
data, Dyno numbers, Peer-Reviewed texts? Nope. Just
my amateur seat of the pants observations. This
should tick a few people off.
to install I was already running SSI's and a Dansk
2 in 1 out muffler.
my anecdotal impressions........ Let the flogging
87' Carmine Red Carrera
what it's worth (nothing?):
have an '87 with a SW chip, Borla exhaust and a
Dansk cat bypass. First, the regulatory stuff.
I just smogged the car two weeks ago after swapping
back the cat. About 30 minutes. The car passed EASILY,
runs very clean. Then, 30 minutes to swap back to
Dansk and for 2 more years I am set.
Didn't have the car before those mods so I can only
say that the car was on the dyno a little less than
a year ago and put 201HP to the wheels. I think
that is a good indication that the overall package
works nicely. Now, others will say, it's the exhaust/cat
bypass etc. I can't say. All I know is that the
package works well together and I am happy
1987 Guards Red Targa
1994 F250 4X4
also have an 87. If you search the threads, you
will find that the performance exhaust did not increase
the dyno readings nearly as much for the buck as
the SW chip.The combo dyno numbers(SW chip and performance
exhaust) was only a little better than the chip
by itself. I decided to leave the exhaust alone
and put in the chip myself, and I am NOT a mechanic
by any means. I have been pleased with the chip,
and outside of Loren you won't find many negative
comments on the SW chip here.
really means something because THIS IS A TOUGH CROWD!!!
911 Carerra Targa, 930 Steering Wheel. Steve Wong
Chip, 17in Turbo Rims, Potenza SO3s.Turbo Tie Rod
Loren that might be true in your world. In my world
the best money I've spent on my car has been a Steve
W chip. The SW chip absolutley increased the performance,
which includes idle smoothness and a VERY smooth
linear torque curve, I have driven in 90°F plus
weather, stuck in traffic, and have never heard
nor felt any pinging. The car just runs better.
me unknowing or a sheep just following the rest
of the flock, that would be BS. You don't know me
so hold your negative comments please.
is possible for a product to actually work....you,
others nor myself have to agree. Just please don't
berate us for our ideas. I know the difference between
"seat of the pants" and the placebo effect.
The damn thing works. Period.
'85 M491 911 Dansk pre muffler Sport Exhaust, Steve
W 93 oct Chip
have a ZZZ car, but it was already registered with
the State when I got it. You may need a visual inspection.
Look into getting a Steve Wong chip. He brought
my car pretty much back to ROW horsepower, it had
a U.S. DME unit and a US car chip. Made a big, big
improvement. Your welcome to try driving my car
and comparing it to yours.
61 Aston Martin DB4
29 Rudge Whitworth Grand Prix Ulster
a daily basis I have been getting 19-20 with my
88 Carrera. I don't drive it softly. The last two
trips that I have been on to the same place (1000
miles round trip) the car did 28mpg running 85+.
The trips were a year apart, SteveW chip in the
911 Diamond Blue CE Carrera
When I drove my car from Chicago - I averaged 26mpg.
and that was averaging 72 mph (and around 1100 miles).
There were stretches where I averaged 19 mpg and
29 mpg -
Sebring I've averaged 9.7 mpg and 10.5 mpg. Around
town - casual driving = 21 mpg. That's up from around
19.XX that I was averaging before my Steve Wong
1987 Diamond Blue Cabriolet
about chips on this board is like walking into a
church and announcing your staunch atheism - you're
going to hear people on both sides of the issue
who both firmly believe they are right.
said that, I recently replaced the Cyntex chip in
my 3.2 with a custom SteveW chip and the difference
in driveability was instantly noticeable. I wouldn't
have thought that Steve could improve the performance
much over what was already a non-factory chip, but
he did. I was very impressed.
not about to divulge my religious beliefs)
'76 orange 911 w/3.2
I finally got the chip put into my 3.2 engine, thanks!
It is amazing the difference that this made, especially
at the lower RPM range. One quick question, the
two brown wires off of the wiring harness by the
computer, what are these actually doing? Mine were
plugged in and I un-plugged them, per the instructions.
I have been curious as to what this is doing when
connected. I am not sure if the car was a California
car or not, as I got the engine out of a car in
Very satisfied customer
name is Colin and I have a 1988 Porsche 3.2 Carrera.
It is a UK European spec car (Right hand drive)
with no cat, and no other mods (as far as I know).
Ive been looking after it for the last 5 years
and think its brilliant, except I had one problem:
When driving at a steady 2,400 revs my engine was
not happy stuttering and surging. Wed
Changing the HT north of the coil including the
distributor cap and rotor arm
Changing the entire DME
Changing the air mass meter
A variety of mixture settings
Looking for electrical shorts and faults
Cleaning the injectors
to no avail. These revolutions correspond to about
62 mph, which on the UKs congested roads is
a very common speed. Much frustration! Robert Gant,
legendary UK Porsche guru, who does my servicing,
had no idea what to try next.
Bernau, one of your customers and a correspondent
to the 3.2 Carrera forum at www.titanic.co.uk suggested
I tried one of your chips to fix this problem. I
was sceptical having changed the entire DME
to no effect, I didnt think there would be
any difference. How wrong I was.
was good enough to lend me one of your optimax chips
(fone optimised for optimax 98Ron unleaded).
put the chip in according to the instructions from
your FAQ pages. Sorted! No more stuttering, and
as a result of the chip, (and probably all the cumulated
previous parts and tuning put in to solve the problem)
the car is now going like a train. I cant
begin to describe what it feels like to have a healthy
3.2 Carrera after all this time. Its so smooth,
seems to go better at all revs, is generally better
chip I loaned is still in the car (so I cant
tell you the number on it), but Richard is going
to want it back soon. I would therefore like to
buy one of your chips. I know there are lots to
choose from. Im not looking for particularly
more horsepower or more revs. Maybe better drivability
at all points in the rev range and you can never
have too much torque. I can get 97/8 Ron unleaded
most of the time, or 93 Ron all the time. So I have
Can you recommend what chip I should have to retain
the standard performance (without the
standard stuttering at 2,400), and would suit the
petrol types above?
What is the current price including shipping to
email by return
passed my e test easily. I thought I would share
the results with you!
years test w/out your chip: HC: .9426, CO:
12.4897, CO2: 397.6384, NOX: .9879
test w/ your chip: HC: .4471, CO: 7.7899, CO2: 408.6126,
went to the same test station and the same test
bay. I did not do anything with the 2 brown wires.
They were left un-connected. I was all worried over
nothing. Thanks for you help on all this. Your chip
is all good
have a SW chip in my 3.2. No dyno numbers but it
feels great! His customer service is superb. I had
a 85 cab with a Euro products chip, pinged badly
even with 93. Never a peep from SW!
own an 84 Carrera. I recently upgraded the exhuast
from completely stock (with cat) to SSI's and Dansk
single outlet sport muffler. The performance increase
was a nice bump but now while performing full throttle
up shifts I get a wicked backfire when the throttle
is lifted to shift. A 10 inch flame shoots out the
tail pipe concurrent with the backfire. My freinds
say it looks cool but I am a little weary. I had
a very fortunate chance to talk with Bruce Anderson
about this. He feels it is most likely a fueling
issue that can be corrected with a chip. Thus he
referred me to you guys. There are no exhaust or
intake leaks and I live at aprox. 4000' above sea
level (if it matters).
installed the chip and everything works great. I
also had to convert the ECU to 4K with the supplied
jumper and unplug the CA emissions plug. Interestingly
when I openned up the ECU there was already a chip
installed from Performance Products. It feels as
though the low and high end are much improved, idle
is better, everything feels smoother and no more
Scrappy's first kill.
Well, Scrappy got to go on her first official timed
event this weekend. PCA Santa Barbara region held
an autocross at Camarillo airport. It was a great
turnout, with 90+ cars in attendance. There were
GT3's, a RUF RGT, several ZO6's, a few Viper GTS's,
half a dozen M3's, one of which was supercharged,
and a wicked Datsun 510 on wide slicks.. In all,
over half the field was non-Porsche.
course was very technical, and the new asphalt was
marbly and loose. It was a throttle-steer kind of
day. Lots of fun!
went along with fellow Pelicanite and co-worker
Jeremy Cottrell, and a few of our client's. Rob
Dickinson brought his beautiful Baham Yellow '69,
and Leonard Skuro came along in his ultra-clean
'73 S with 2.7RS motor.
scored a class win in the '73 S Targa
drove his heavy pig '85 Carrera Targa to a near-miss
second in class.
And Rob got second place in class to Scrappy.
the big news was Scrappy getting Fast Time of Day!!!
bonding has officially begun!
place over-all was a 914, and third went to the
510. The best part of the event was after the awards
ceremony when people were asking me which car I
was driving. You should've seen their faces when
I pointed to Ol' Scrappy. Then they saw the 205/225
street tires on the skinny chrome wheels. They just
couldn't quite process the whole thing. It was hysterical!
thanks to Steve Wong of "911Chips" for
burning me a chip for the 3.2. It really woke up
the throttle response, and made throttle steering
the car around the cones much easier. It feels much
much better! I'm loving the throttle response, and
driveability. Since I got FTD by only .02 seconds,
I'd have to say I owe the win to Steve! Thanks Buddy!
Tyson Schmidt - "Evil"-Gruppe member #001
isn't rocket surgery...."
911E(vil) coupe' 3.2 "Scrappy"
With my G-tech pro ( I know I know, is really not
that great of a unit. I got it for $50 ) I had three
runs of 6.1, 5.8, and 5.7. I really didn't kill
the clutch at launch, but I also did not shift into
third. This was at night, about 60 degrees out with
the engine oil at about 210. 80K miles, no mods.
just installed a cat bypass and a SteveW chip. Not
expecting much lower times, but the car feels fantastic!
After a valve adj. and new cap,rotor and plug wires,
I will retest it come spring time.
asured, I really don't care about launching off
the line or fast drag times. I maybe do this sort
of thing every two years. If a mustang or camaro
want to race from a light, I let them go, then out
brake the balls off of them.
PCA member Central Indiana
got the chip today and installed it this evening
in my 87 911.
can feel the difference across the entire rev range.
It revs much freer at low/mid RPMs and pulls much
harder on top. It sounds a little louder too when
I bury the throttle. I was thinking about putting
on a louder sport muffler but might just leave on
the stock one now. I think your chip with cat bypass
is enough for me.
read in Bruce Anderson's book where he mentions
chip changes really are not worth it on these Carerra
3.2's. He suggests that changing the exhaust setup
is better than a chip change. However, your chip
+ freer flowing exhaust is the magic combination
for a 3.2. I've run a cat bypass for years and adding
your chip still made a big difference. Apparently,
you've got some nice code that's really been dialed
in for this car. The 93 octane chip is the way to
go in Texas. I'll have to wait until next summer
to see how it handles the heat.
going to tell a friend here in Austin with an 89
3.2 with SSIs.
W Chip + 1 Year
I have had a Steve W chip in my otherwise stock
1987 Carrera for just over a year now. I have since
put 12,000 happy miles on it. My car now has 157,XXX
miles on the original motor. An upcoming California
Smog Check prompted me to change back to the stock
chip for a few days before testing and--WOW!!! The
Steve W chip really did make a huge difference in
changing back to the stock chip, my car feels downright
lethargic. Steve's chip definitely opened up the
lower range to about 4,000 RPM. Any hint of "Carrera
3.2 lag" is gone. Moreover, at about 4,700
RPM the kick in the butt that the 3.2 gives with
the stock program is clearly more intense with the
Steve W chip. Despite using my car as a daily driver,
I still get a rush at WOT.
am even more satisfied with my chip now than I was
a year ago. It's going back in today. Thank you
very much Steve.
Mike - Momo3.2
yeah, my car passed smog with flying colors--wheew!
bought a ROW 84 Targa that had a catalytic converter
and had been DMV certified before I bought it. It
passes California emissions with flying colors with
a Steve W chip.
rec'd the chip last Friday and installed on Saturday.
All I can say is WOW! What a difference. It is certainly
true what I had previously heard about your performance
chips - the car has been awakened!! Throttle response
and low-end torque have been increased considerably
and it sure feels like the car has a few more horses
as well!! Idle is as steady as a rock. I am hoping
to dyno it at the next PCA event and see what she
has in her now officially. I can't thank you enough
for not only this well coded 93+ octane performance
chip but also the quick and friendly service you
provided Steve - again you are da man! Being a technerd
IT network engineer I really appreciated your very
clear and concise installation instructions - very
well done. Thank you so much Steve and I hope the
very best for 911chips.com and your future endeavors.
'89 Carrera 3.2
911 chip I just installed really made a big difference
in smoothing out the idle on my 1986 911. The engine
start up was much stronger and I did notice a very
noticeable difference in the mid range pull during
acceleration. Several people told me that adding
a chip to the 911 will not make a difference. This
is why I did not purchase sooner. Maybe that was
good advise from other chip manufacturers, but it
certainly was not good advise for the 911chips.
'86 Carrera 3.2
I finally had the time I thought I would need to
install the chip and jumper. It went much faster
than I expected so I spent the remainder of the
time driving the car. WOW!!! the throttle response
is much better, and the torque seems to come on
sooner. Seat of the pants, but I am very pleased.
Thank you again for your assistance. Keep up the
'86 Carrera 3.2
my Steve Wong chip in
When I bought my car it had a RUF pre-muffler and
muffler, no Oxygen sensor and and unknown performance
chip. The idle was very rough and part throttle
performance was not great. Steve was very helpful,
and sent me a chip designed to work without the
oxygen sensor and with the factory rev limit (I
have read too much about the 3.2 rod bolt failures).
Until I get it out on the track I won't really know
if it increased horsepower, but the driveability
improvement has been huge. The car idles better,
and is much smoother with better pickup at low speeds.
Hopefully the mileage will improve, it was a pretty
poor 17.5 mpg with mild driving before. It is great
to have someone like Steve who can tune the chip
to match your particular car and is a pleasure to
has just been a great day in Dallas, and I had the
chance to get the car out on the open road and take
it to redline a few times and all I can say is Wow.
The chip has transformed the car. It was still pulling
hard when I hit the rev limiter, which caught me
completely by surprise. The car is just a lot more
fun to drive. I put my brake cooling ducts in and
I am now ready for my first DE in a couple of weeks.
I feel like a kid waiting for Christmas.
'78 SC (ex)
I really like the difference in chip performance.
I went from a Weltmeister to Steve Wong and it was
very noticeably better.
am an auto enthusiast through and through. My veins
have gasoline circulating within. I have rebuilt
cars for many years now (foreign and domestic) and
have gained extensive knowledge of automobiles and
the automotive industry. Never has an after market
item sparked such enthusiasm. I have had my 86 911
cabriolet for about 10 months upgrading mechanicals
here and there while retaining the stock appearance.
I recently completed a full tune-up to hopefully
rid the car of a slightly rough idle (I am very
picky about how my cars should run). I saw your
chip online (via Pelican Parts) and was very curious
about what chips could do for my baby 911. I not
only researched your performance chip but many others
as well and concluded that they were all simply
marketing gimmicks. Well last week I finally gave
in and purchased your chip due to the outstanding
reviews you seem to consistently receive.
I installed the chip without incident. Your directions
were superb and illustrations spot-on.
When I opened the computer much to my surprise there
was an existing performance chip installed. I quickly
yanked that piece of junk out as if it were on fire.
startup, the engine immediately responded to the
new chip. Idle was like soft butter on a hot summer
day; smooth and silky. I took the old girl out for
the test drive beginning with 3 miles of warm up.
The engine now has so much more smooth torque through
the entire tachometer. The engine (finally) sang
sweet music the way a Porsche should. Hard to believe
but in second to third to fourth gear the front
of the car lifts up from all of the torque. Overall,
in one simple word-unbelievable!
to boot my engine finally runs cooler.
would and will recommend this performance chip to
all Porsche owners. I have to tell you though there
is one bad thing about your chip; I CANT STOP
DRIVING MY PORSCHE NOW. ITS TOO MUCH FUN!
Again for Such a Great Product.
have a Wong chip in my car tuned for an '86 with
SSI's, dual in single out muffler, and 94 octane
gas (Sunoco). My car has never pinged in hot or
cold temepratures and never hunts for idle as it
did previously. With that said, the PO had an Authority
chip in the the DME before I replaced it with Steve's
not an opponent or proponent of performance chips,
but from my experience Steve's chip was a big improvement
over the Authority chip. I'm sure the stock chip
is as good but I don't have one to compare with
my Wong chip.
SSI's, SW chip, MB911 muffler
Steve Wong chips are the ONLY way to go! The improvement
in driveability from low end to 7000 rpm is VERY
noticeable along with added throttle response. Fuel
economy also is better, so every aspect of your
perfomance will improve.
88 Euro 3.4 Carrera
Today ive been in german autobahn and tried to push
it to top speed. Before i was seeing 250km/h and
needle was creeping slowly from 240 on.
But since i instaled SW chip the car has much more
force so i give it a go. It goes like hell now and
road was going slightly uphill but anyway i got
to 260km/h real quick and it was still 1000rpm left
till redline. And it didnt go slowly it was no problem
acelerating over 200 - 250 quick. Guess with more
empty road i could pu**** to 270km/h since car was
not stoped accelerate.
Funny thing was that when i then went to normal
roads car feels alot beter somehow. I suspect tires
were given good warm up but even engine was feeling
My guess is that with SW chip im geting real hp
gain to get to those speeds so efortlessly.
Wong chip...amazing! What's the "California"
brown wire do?
I've been considering the Wong chip since I bought
my '89 Carerra coupe almost a year ago, but I'm
very sceptical by nature. I pulled the trigger recently
figuring I could just return the chip. I just installed
the chip, and all I can say is WOW what a difference!!!
My car had flat spots throughout acceleration which
I thought were due to a worn air-flow sensor or
O2 sensor (my car has 140K+ miles), but the Wong
chip cured it of that, the difference is simply
thing I didn't know about is the external brown
wire that is tied to the main DME harness bundle.
Wong's instructions say this was only for California
models (which mine is) and to disconnect it, which
I did. He says its for emissions controls and it
may cause knocking if left connected. What does
this wire do to control emissions? Was this the
true source of my flat spots or the DME chip itself?
ordered a bypass pipe and will be installing that,
a new 02 sensor, and a Monty muffler soon. For now
I'm running Wong's "bypass and/or sport muffler"
tuned chip with my stock exhaust until it arrives,
is that OK temporarily?
with the chip...thanks Steve!
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