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  #1  
Old 12-16-2005, 02:29 PM
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Default 3.4L Camaro mods?!

Ok so i have a 1994 3.4L, and i have Bosch plat 4's, Bosch wires, K&N FIPK cold air intake, and Flowmasters 80's series exhaust, What other ways can i get more power without straining my wallet? I NEED MORE POWER!!
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Old 12-17-2005, 01:47 AM
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Default RE: 3.4L Camaro mods?!

I answerd this question on another post, but here it is again. Keep in mind that you can get some good power out of a 3.4, but it will never run with a good V8.

Here it goes:

Things worth doing:
1) Cat back exhaust
2) Headers
3) Cold air intake
4) 160 thermostat & set up fans to come on at around 170
5) Late model W car 3.5 heads with the roller rocker set up, with W car 3400 pistons to keep compression within useable limits
6) Late model W car 3.5 intake manifold & throttle body
7) port match heads & intake manifold, blend bowl
8) 3 or 5 angle valve job
9) Hot flat tappet cam, can't use roller cam on Camaro block, may have to change push rod lenght, depending on cam
11) Balance engine, you will be shifting at over 7000 RPM
12) 3.75 or 4.11 rear end with limited slip
13) Dyno tune the whole mess because by now the computer will have no idea of what is going on

Things that will give little or no gain:
1) TB bypass, 2 Hp, maybe. Makes car a pain in cold weather as throttle body ices up on damp cold days.
2) Replacement K&N filter. no gain over a clean paper filter.
3) Syntethic oil, 2HP maybe
4) EGR delete, no gain as it only gets used at part throttle

Things that will make car run the way it was intended;
1) New plugs, start with the factory stock & experiment from there
2) New ignition wires
3) Injector cleaner. I like Techron, but they all work OK

ANOTHER OPTION.
Swap in a 3.8 or 4300 V6, if you want to avoid going to a V8

Good luck !!


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Old 09-03-2006, 03:05 PM
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Default RE: 3.4L Camaro mods?!

4) 160 thermostat & set up fans to come on at around 170


Does any one no how i can do that or do i need to take my car some where to get that type of stuff done. Also how will that increase horsepower??? Thanx in advance.
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Old 09-03-2006, 04:33 PM
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Default RE: 3.4L Camaro mods?!

You can change the tstat yourself, just make sure you put it back the same way the old one came out. Bringing in the fans sooner will requre the PCM to be tuned. Running the engine at a lower temp will allow the engine to make a little more power, but I doubt the butt dyno will notice the difference.

Apparently you are new at this type of suff. Your best bet would be to see a professional engine builder, but it will cost you.
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Old 09-03-2006, 05:42 PM
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Default RE: 3.4L Camaro mods?!

so if i put a lower temp. thermostat in my 2000 3.8 liter camaro would i have to tune the PCM? Or i can just install it and not worry about the PCM?
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Old 09-04-2006, 01:30 AM
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Default RE: 3.4L Camaro mods?!

If you don't tune the PCM to turn the fans sooner, when you are moving slowly, even thogh the tstat opens earlier at 160 deg., the engine will continue to heat up until the fans come on at 190 deg.
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Old 09-04-2006, 01:30 AM
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