I want to pully my o4 comp g and i already have a CAI a down pipe and colder tstat in about a week i am getting some headers and colder plugs. How small of a pully can i run or whast else do i need to get to run a smaller pully?
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06-30-2012
I want to pully my o4 comp g and i already have a CAI a down pipe and colder tstat in about a week i am getting some headers and colder plugs. How small of a pully can i run or whast else do i need to get to run a smaller pully?
06-30-2012
Nobody going to be able to tell you what you 'should' be able to run..every car is different...you need to monitor your knock first and that will tell you what pulley you can run safety. Invest in a Aeroforce scan gauge before you think about changing the stock pulley.
Aeroforce - Aeroforce Intercepter Scan Gauge #
06-30-2012
Scan first, then pulley drop.
A 3.6 is as far as you can really go on a basic pulley drop tune.
06-30-2012
One of the guys I work with has a friend who tunes alot of the gtp's around my town from what they tell me. they said with a tune, headers, cai, 160 tstat, colder plugs i can run a 3.2 pully. I have herd online that with my motor i need to cam or intercool to drop below a 3.6 or i will get knock. Also i swaped a motor for a friend in the same car and his motor had a series 2 stamp on the block so im guessing my motor also has it because there the same excat car so my question is why do it say series 2 on the block and series 3 on the cover for the motor?
06-30-2012
You have a series 3 in your comp g but a 3.2 will chip a piston very quickly. The blocks are the same gm was lazy and didn't want to stamp series 3 on the block.
06-30-2012
160 is WAY to cold, 180 is fine.
3.2 on a gen 3 blower is like a 3.0 on yours. Which = blown motor.
06-30-2012
A 3.2 wont happen w/o a cam or intercooler or both and of course you'll more than likely have to upgrade to bigger fuel injectors. You'll probably be able to drop until a 3.6 if your not knocking and get a good tune and you should be happy.
06-30-2012
How big of a difference will a 3.6 and headers make?
06-30-2012
it'd be just as slow since your timing would be junk lol.
stock pulley + headers = winning.
07-01-2012
Did anyone other than me laugh at the contradiction in this post? You just stated that one should scan first before dropping pulleys. Then stated a a certain pulley size for a "basic pulley drop tune." However if one scans an individual may very well be able to drop past a 3.6 on a "basic pulley drop tune." *Insert Monocule smilie*Originally Posted by Fivefingerdeathpunch
Cam or intercooler to go below 3.6. What? Where exactly did you read that?
Any drop in pulley size will net an increase in the butt dyno.
07-01-2012
Just you, because no one reads posts these days anymore.
07-01-2012
lol
07-01-2012
My stock pulley+ headers results in a nice butt dyno upgrade
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