sevilleriden95 Posted December 16, 2006 Report Share Posted December 16, 2006 So I'm hopping on to the express way with my girlfriend in her new bmw. So she slams her car and so I guess now that I'm out of the little jetta and into a real car I would show her whats the deal. So I slam my pedel and were off. Of course I'm pulling away from her and were just cruising on the highway but at about 115 mph maybe 120 mph my RMPs just drop?! There was no sound or anything to that matter? But what would make this happen? I wasnt close to redline and was in 4th? I didn't want to push it anymore? Please give me some insight. Thanks, Ben Link to comment Share on other sites More sharing options...
Astrak Posted December 16, 2006 Report Share Posted December 16, 2006 Most likely the speed limiter, what does the tire speed rating on your driver door say. Link to comment Share on other sites More sharing options...
Ranger Posted December 16, 2006 Report Share Posted December 16, 2006 Yup, sounds like you have "S" rated tires and you reached your limit. Link to comment Share on other sites More sharing options...
sevilleriden95 Posted December 16, 2006 Author Report Share Posted December 16, 2006 Where can I check this? And is it possible to remove the speed limiter? Link to comment Share on other sites More sharing options...
GreenMachine Posted December 16, 2006 Report Share Posted December 16, 2006 95's might have the ability to remove it with a chip, can't remember what the deal with OBDI computers were. Check your driver door sticker for what your tires are rated at. The Green's Machines 1998 Deville - high mileage, keeps on going, custom cat-back exhaust 2003 Seville - stock low mileage goodness! 2004 Grand Prix GTP CompG - Smaller supercharger pulley, Ported Exhaust Manifolds, Dyno tune, etc 1998 Firebird Formula - 408 LQ9 Stroker motor swap and all sorts of go fast stuff Link to comment Share on other sites More sharing options...
Astrak Posted December 16, 2006 Report Share Posted December 16, 2006 I didn't think there was a chip for the Northstar. Link to comment Share on other sites More sharing options...
Bruce Nunnally Posted December 16, 2006 Report Share Posted December 16, 2006 pre-96 could be mod'd with a chip. (93-95), and there are or were some products available. After OBDII in 96+ you have to load a new calibration to the PCM and I have not seen any available commercially. Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
clarkz71 Posted December 16, 2006 Report Share Posted December 16, 2006 The only chip availible now is from Westers Tune. It's a dual mem-cal and it's pricey. ($395) The 93-95's have 2 chips (prom's) One for the engine and one for the trans. I have the same problem with the 112 mph limiter, however I can't justify spending $400 to remove it. Of course if you want to pick-up 20 or more HP then maybe it's a good deal. Link to comment Share on other sites More sharing options...
sevilleriden95 Posted December 16, 2006 Author Report Share Posted December 16, 2006 So with the chip its going to remove the limiter and give 20+ HP gain? Interesting. Link to comment Share on other sites More sharing options...
JasonA Posted December 16, 2006 Report Share Posted December 16, 2006 So with the chip its going to remove the limiter and give 20+ HP gain? Interesting. Affirmative on the limiter. I'd be skeptical on the 20 hp gain. I doubt you'd see any real objective performance improvement, save for the limiter being removed. Jason(2001 STS, White Diamond) "When you turn your car on...does it return the favor?" Link to comment Share on other sites More sharing options...
sevilleriden95 Posted December 17, 2006 Author Report Share Posted December 17, 2006 Sounds like a deal. How am I supposed to have a little fun with red rocket if he can't go over 112 Link to comment Share on other sites More sharing options...
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