Steve Wong Website
12-18-2003, 09:37 AM
#3
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Join Date: Nov 2003
Location: Cincinnati
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Maybe someone can enlighten me -- what is the downside of using a new chip? I mean, it sort of sounds too good to be true. Since we all know that there is no such thing as a free lunch, there must be something that you give up when installing a high-performance chip. Engine life, fuel economy, emissions, etc. Can anyone explain?
12-18-2003, 11:43 AM
#4
Drifting
There are detracters out there. There will always be - but it's pretty well documented that Porsche detuned engines for the least common denominator, ie, low octane fuel, california emmissions, thin atmosphere, deglected maintenance, etc.
From my Steve W chip - I am getting a smoother idle, better fuel economy and better throttle response, especially in the mid range.
I also am at sea-level, and have access to good quality 93 octane gas.
I went with a dual out dansk and a dansk premuffler - I was less than impressed with the change and was pining for my old C2 until Steve custom made a chip for me with my modifications in account.
His chip pulled it all together. No carrera lag, better midrange punch. a/f ratios still rich enough to avoid detonantion.
The only downside I could see is why I didn't do it earlier. Talk to him - the guy knows his stuff.
BTW - I have no incentive here - not on the Steve W payroll - there is just so much smoke and mirrors stuff out there in the Porsche world when it comes to HP gaines and such - when I installed his chip and first drove my car - in a similiar manner than I had before the chip installed - I chirped the tires in 2nd gear. I'd never done that before...
From my Steve W chip - I am getting a smoother idle, better fuel economy and better throttle response, especially in the mid range.
I also am at sea-level, and have access to good quality 93 octane gas.
I went with a dual out dansk and a dansk premuffler - I was less than impressed with the change and was pining for my old C2 until Steve custom made a chip for me with my modifications in account.
His chip pulled it all together. No carrera lag, better midrange punch. a/f ratios still rich enough to avoid detonantion.
The only downside I could see is why I didn't do it earlier. Talk to him - the guy knows his stuff.
BTW - I have no incentive here - not on the Steve W payroll - there is just so much smoke and mirrors stuff out there in the Porsche world when it comes to HP gaines and such - when I installed his chip and first drove my car - in a similiar manner than I had before the chip installed - I chirped the tires in 2nd gear. I'd never done that before...
12-18-2003, 12:54 PM
#5
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I think that's great and based on everything I read here Wong really knows his stuff. I just don't understand how he produces all this extra performance seemingly out of thin air. Is there a "catch"?
p.s., Maybe if there is a tradeoff it is well worth it. I am just curious about what it is.
p.s., Maybe if there is a tradeoff it is well worth it. I am just curious about what it is.
12-18-2003, 01:27 PM
#6
Some have asked about the downside of performance chips, there are many!
Most, if not all, performance chip suppliers fail to fully test on a dyno the
results of their chips for real gains and possible damage to the engine.
It's the as same if someone told you to put a new 5W oil in your engine
indicating that more HP and throttle response would result. I doubt that
most would do that without full test data.
Chips have been available for over 15 years for the 3.2 Porsche with many
negative results, e.g. pinging and emissions failures. Check out this website
(www.systemsc.com) for some additional info on the Technical, Problems, and
Graphs pages. Most of the torque (total horsepower) usually comes at or
near the red line of the 3.2 with the performance chips, which is where most
DON'T drive their cars.
The people who have used these performance chips also don't really test
them for a basic performance gain via a dyno nor do they test them for emissions.
One user on this forum indicated that once the chip was installed, the car
no longer "cycled" at idle. This is an idication that the O2 sensor had been
disabled which the chip user was unaware of. ALL 3.2s when operating
properly with the O2 sensor cycle about 50 rpm as the DME moves from each
of the two Q2 sensor limits.
I've mentioned many times that simple mods to the 3.2 DME system yields
basically the same results without the possible damage to engine; e.g.
1. disconnecting the O2 sensor (better throttle response)
2. re-adjusting the air flow meter (better throttle response)
3. re-setting the internal DME switch (better overall torque)
Why waste money on performance chips when you can achieve the same
results with simple mods?
The performance chip suppliers who have been around for many years and do
test their chips are; Autothority, Dinan (the Weltmeister chip at Performance
Products) and Hypertech. These can be found on the internet.
Beware of what you put in your cars.
Have Fun
Loren
'88 3.2
Most, if not all, performance chip suppliers fail to fully test on a dyno the
results of their chips for real gains and possible damage to the engine.
It's the as same if someone told you to put a new 5W oil in your engine
indicating that more HP and throttle response would result. I doubt that
most would do that without full test data.
Chips have been available for over 15 years for the 3.2 Porsche with many
negative results, e.g. pinging and emissions failures. Check out this website
(www.systemsc.com) for some additional info on the Technical, Problems, and
Graphs pages. Most of the torque (total horsepower) usually comes at or
near the red line of the 3.2 with the performance chips, which is where most
DON'T drive their cars.
The people who have used these performance chips also don't really test
them for a basic performance gain via a dyno nor do they test them for emissions.
One user on this forum indicated that once the chip was installed, the car
no longer "cycled" at idle. This is an idication that the O2 sensor had been
disabled which the chip user was unaware of. ALL 3.2s when operating
properly with the O2 sensor cycle about 50 rpm as the DME moves from each
of the two Q2 sensor limits.
I've mentioned many times that simple mods to the 3.2 DME system yields
basically the same results without the possible damage to engine; e.g.
1. disconnecting the O2 sensor (better throttle response)
2. re-adjusting the air flow meter (better throttle response)
3. re-setting the internal DME switch (better overall torque)
Why waste money on performance chips when you can achieve the same
results with simple mods?
The performance chip suppliers who have been around for many years and do
test their chips are; Autothority, Dinan (the Weltmeister chip at Performance
Products) and Hypertech. These can be found on the internet.
Beware of what you put in your cars.
Have Fun
Loren
'88 3.2