3" pulley [Archive] - Chevy Cobalt SS Forum : Chevrolet Cobalt SS Forums

: 3" pulley


BlackSSNick
01-14-2008, 07:10 PM
If I put a 3" S/C pulley on, I'll need a slightly smaller belt, but thats it correct? No tune? And where can I get a belt?

POWERZ
01-14-2008, 07:34 PM
well you will be pusing your stock injector duty should go up to 42#and yeah a tune is the norm

BlackSSNick
01-14-2008, 07:38 PM
well you will be pusing your stock injector duty should go up to 42#and yeah a tune is the norm

alright, i'll just wait for the stage 3 then

6541vfg
01-14-2008, 08:20 PM
generally you can go to the 3.1" pulley with the stock belt and tensioner without a tune, you will gain a midrange punch but without a tune you wont really see anything on the top end.

BlackSSNick
01-14-2008, 08:30 PM
maybe i'll do that. I'm putting a full exhaust on the car this spring and thats it for a while because i'm saving for a motorcycle. But if I can do a smaller pulley without a tune for a lil extra spunk, I would.

L.P.
01-14-2008, 11:05 PM
Get stage 2....from there get the 2.9" pulley from Nate.

RaineMan
01-15-2008, 10:16 AM
You can run a 3.0 on the stock injectors... but I honestly wouldn't bother. You'll gain some... but it won't be too much.

If anything... get the GM stage 1 kit (injectors and retune) then buy yourself a hub and 2.9 pulley from ZZP or someone online. it'll be cheaper than Stage 3 and give you the same performance.

Smoke_Jenson
01-15-2008, 04:03 PM
I was gonna put a 3.2 " pulley on mine but now since im buying a stage 1 and getting a 2.9 " from nate so I have a 3.2 for sale but no hub. if ur interested never been used. and u can use the same belt and no tune is needed also got it from nate

freakta
01-16-2008, 11:45 AM
i have a 3 inch on mine and stock injectors its ok if you never run above 5800rpms after that you will be like me and have to replace two pistons