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Help with rev limiter

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Old Jun 1, 2009 | 06:58 PM
  #1  
djfrazenrat's Avatar
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From: Placerville California
Car: 91 Camaro RS
Engine: 305 tbi
Transmission: 700r4
Help with rev limiter

I have a 91 rs 3.1L camaro and its california legal and rev limiter cuts me off at 105, im about an hour and a half drive from carson city nevada and was thinking about getting a computer from a pick and pull to see if it would let me go faster, do you think it would still cut me off and is there another way around it, i got the book for my car but havent been able to find anything to let it go faster help me please
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Old Jun 1, 2009 | 07:23 PM
  #2  
project89's Avatar
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Help with rev limiter

Originally Posted by djfrazenrat
I have a 91 rs 3.1L camaro and its california legal and rev limiter cuts me off at 105, im about an hour and a half drive from carson city nevada and was thinking about getting a computer from a pick and pull to see if it would let me go faster, do you think it would still cut me off and is there another way around it, i got the book for my car but havent been able to find anything to let it go faster help me please
new ecm wont help, u need to have the speed limiter removed by burning a new chip for it
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Old Jun 1, 2009 | 07:37 PM
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firstfirebird's Avatar
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From: South FL
Re: Help with rev limiter

Why do you need to go more than 105 on public roads? You are asking to go to jail.
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Old Jun 1, 2009 | 09:35 PM
  #4  
djfrazenrat's Avatar
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From: Placerville California
Car: 91 Camaro RS
Engine: 305 tbi
Transmission: 700r4
Re: Help with rev limiter

not for public roads, and its not just the top speed either, when i step on the gas the car bogs a little then goes and i want that gone and i want to be able to take it to a drag strip and not be limited to race my friends 92 rsand stuff like that and to get more power from my car, his 92 is the same thing as mine except for all the emissions and smog stuff and nevada legal, and he got clocked at 142 so it sucks being heldback from what my car can do
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Old Jun 2, 2009 | 09:30 AM
  #5  
chevyracingrox's Avatar
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From: IL
Car: 88 IROC, 76 Malibu Classic
Engine: 350 TPI, 350
Transmission: 700R4, 4-speed
Axle/Gears: 10 bolt ????
Re: Help with rev limiter

check out the stickys in the DIY PROM forum. it's a lot of reading, but eventually you'll find out what it takes.
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Old Jun 2, 2009 | 09:48 AM
  #6  
tony_cogliandro's Avatar
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From: sunny so cal.
Car: 1990
Engine: 305
Transmission: 700r4
Axle/Gears: stock
Re: Help with rev limiter

i have a stock 90 camaro and i dont seem to have a rev limiter.
i can run through the gears and hit 5k in 1-3 without a problem and then i can get the spedo above 105.
maybe mine is broken.
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Old Jun 2, 2009 | 11:14 AM
  #7  
CharcoalBird's Avatar
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From: Plant City, FL
Car: 1991 Firebird
Engine: 3.1L V6
Re: Help with rev limiter

Originally Posted by tony_cogliandro
i have a stock 90 camaro and i dont seem to have a rev limiter.
i can run through the gears and hit 5k in 1-3 without a problem and then i can get the spedo above 105.
maybe mine is broken.
He didn't mean REV limiter. He meant speed limiter.
djfrazenrat, you'll need to do some work to that motor before you can reach 140+mph...these cars take a while just reaching 115.
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Old Jun 2, 2009 | 03:22 PM
  #8  
djfrazenrat's Avatar
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From: Placerville California
Car: 91 Camaro RS
Engine: 305 tbi
Transmission: 700r4
Re: Help with rev limiter

ive already done k&n filter and cut a bigger intake hole, flowmaster exhaust, new pads and rotors, oil and coolant, and cooper cobra tires, fuel filter, alternator, distributor cap, rotor, and wires haha
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Old Jun 2, 2009 | 09:29 PM
  #9  
chevyracingrox's Avatar
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Joined: Nov 2007
Posts: 1,092
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From: IL
Car: 88 IROC, 76 Malibu Classic
Engine: 350 TPI, 350
Transmission: 700R4, 4-speed
Axle/Gears: 10 bolt ????
Re: Help with rev limiter

i noticed your new to the site. welcome to TGO. sounds like you've got yourself a good start. and you've got the right transmission too! lol. so how skilled are you with engines? if you want to learn more about my car you can check out my build thread. https://www.thirdgen.org/forums/v6/4...ix-should.html
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Old Jun 2, 2009 | 09:42 PM
  #10  
mtwlkn122's Avatar
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Joined: Nov 2008
Posts: 467
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From: Batavia Area, NY
Car: 91 Firebird, 06 Dodge Ram 1500 SLT
Engine: 3.1L, 4.7L
Transmission: 700r4, 45RFE
Axle/Gears: 3.23 open, 3.55?
Re: Help with rev limiter

Originally Posted by djfrazenrat
not for public roads, and its not just the top speed either, when i step on the gas the car bogs a little then goes and i want that gone and i want to be able to take it to a drag strip and not be limited to race my friends 92 rsand stuff like that and to get more power from my car, his 92 is the same thing as mine except for all the emissions and smog stuff and nevada legal, and he got clocked at 142 so it sucks being heldback from what my car can do
Seeing as everyone has answered the rest of the questions I will comment on the "bog" condition you speak of. The rev limiter and speed governor wont cause a bog when you stomp on it. It could be your injectors or fuel mapping causing the bog. People claim the Bosch 3 injectors will help that bog go away. As im about to order mine from FIC next week we will see how that works out. As your going to reburn anyway you could do some research on some better fuel mapping tables for your application. Im not a big computer tuning guy...it confuses the **** out of me. Im sure someone on here can help you out on that part. Just my 2 cents
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Old Jun 2, 2009 | 09:50 PM
  #11  
djfrazenrat's Avatar
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From: Placerville California
Car: 91 Camaro RS
Engine: 305 tbi
Transmission: 700r4
Re: Help with rev limiter

Yeah, all I want to do is get as much power from my car as I can and the most speed, I was thinking about saving and getting a crate motor, somethin really big with a few hundred hp and drag racing it, but thats alot of money which I dont have and other people were telling me to just sell it and not put money into it because ittl never be worth anything than what I paid for it, so im just not sure what to do but theres no way Ill sell it
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Old Jun 3, 2009 | 03:10 PM
  #12  
Maverick H1L's Avatar
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From: LeRoy, NY
Car: 2003 Hyundai Tiburon GT
Engine: 2.7L V6
Transmission: 6-speed
Axle/Gears: 4.41
Re: Help with rev limiter

There's just one problem with the 60* V6. They say that the 3.6 going into the new Camaro is the highest evolution for the engine, and that only makes 304 HP, with direct injection and all sorts of new technologies we can't put on our old cast-iron engines.

Sure, with a ton of money and time, you can either buy or build a turbo kit, but even then, you'll probably get walked on by V8's with similar power adders, seeing as how even the 3.6 has a little over HALF the displacement of most V8's (displacement means torque, and torque gives the engine the ability to get up and go). But, without a turbo or supercharger, most guys are lucky to get over 200 HP without custom-made parts they built themselves or had custom built (BIG $$$). Sure, the six can make power higher in the power band because it has less rotating mass, but it takes a while to get up there. Plus, the V8s have a big advantage over us due to the fact that V8 speed parts are more readily available and have been proven time and time again, where as most of our parts are either well out of production (look up the Trueleo intake) or have been custom built and cost a TON of money, as said before.

Sure, beefing up the 60* is an adventure, but if you're considering going with a crate engine, even with the fact that you'll need a matching transmission as well, you might as well go that way. Especially since you're looking for numbers.

Me, personally? I'm sticking with my 3.1 and possibly getting a 3.4 in the future (unless I can find a cheap 3800). I happen to like getting better gas mileage than my dad's 07 Grand Prix (with a 3800 Series III) and having a car weighing less than 2 tons with me in it, plus the challenge of getting 200 HP is something that gets me going. Especially with the fact that I've put a lot of time (6 years now) and money into making this engine run right and making the car MINE.

:edit: If I'm wrong about the turbo info, someone please correct me. I haven't been following the turbo threads lately, so I don't know what's going on with the various projects (especially the 3.4/3500 hybrid... I heard that was supposed to make some decent numbers)

Last edited by Maverick H1L; Jun 3, 2009 at 03:18 PM.
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