Need Help....... pulley question - Chevy Cobalt SS Forum : Chevrolet Cobalt SS Forums
 
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post #1 of 6 (permalink) Old 01-28-2007, 05:15 PM Thread Starter
 
Join Date: Oct 2006
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Need Help....... pulley question

i searched didnt really get the specifics, I have the stage1 on the way will have it on by sat. and i want to order a custom pulley, the stock is around 3.15 thought about going to 3.00 will i need a pulley puller, and anything else i can do fine with the stock idler right??? anyone that want to help out a cobalt bro and lend som idea or tool would be great, John give me some info.
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post #2 of 6 (permalink) Old 01-28-2007, 05:21 PM
 
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stock is 3.4

aftermarket sizes from from 3.1 to 2.4...

with a stage i'd recommend nothing smaller then 3.0/2.9...the 42.5lb/hr injectors wont cut it below that mark

you will need a special supercharger pulley pulley remove/install tool.

vendors like billet flow make an awesome unit.
06Black is offline  
post #3 of 6 (permalink) Old 01-28-2007, 05:31 PM Thread Starter
 
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Quote:
Originally Posted by 06Black View Post
stock is 3.4

aftermarket sizes from from 3.1 to 2.4...

with a stage i'd recommend nothing smaller then 3.0/2.9...the 42.5lb/hr injectors wont cut it below that mark

you will need a special supercharger pulley pulley remove/install tool.

vendors like billet flow make an awesome unit.
I want to keep my stock belt and idler so a 3.1 a good choice.
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post #4 of 6 (permalink) Old 01-29-2007, 12:41 AM
 
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you can remove the supercharger and press the old pully off if its available and if not intense sells a puller
jonsstockrocket is offline  
post #5 of 6 (permalink) Old 01-29-2007, 12:56 AM
 
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Quote:
Originally Posted by suprchged View Post
I want to keep my stock belt and idler so a 3.1 a good choice.
yea...3.0+ is fine...

i start bumping idler sizes at 2.9 and down.
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post #6 of 6 (permalink) Old 01-29-2007, 10:37 PM
 
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my 2.9 with stage 2 belt is doing fine, no slippage at all
JohnsRallyYellowSS is offline  
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