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Old 07-29-2008, 09:40 PM   #1
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I have a buddy who has a cobalt ss. He is fixing to put in a 2.7 pulley into his car and i was wondering if it was possible to put the 3.1 he currently has into my 2000 ssei. Does anybody know if this can or should be done?
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Old 07-29-2008, 09:41 PM   #2
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you have to have ALOT of mods to run the 3.1, including headers, and a cam or intercooler
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Old 07-29-2008, 09:46 PM   #3
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I run a 3.3" and I have a lot of mods. Also, you need to look at what kind of SC he has, is the shaft the same size? The cost of a pulley isn't worth a mistake. If you really want a smaller pulley, I have a 3.4" press on I'm not using. But even that might be a little small.
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Old 07-29-2008, 09:49 PM   #4
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allright well on the same note i was on zzperformance lookin at pulleys and saw a 3.5. Do i need a new belt as well if i get that. is that best i can get for my car without upgrading to a stage two
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Old 07-29-2008, 09:57 PM   #5
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You can use a stock belt with a 3.5" and even a 3.4" but it gets loose with the 3.4" You can drop to a 715 belt, stock is 725 or you can go with a over sized tensioner. The down side with the over sized tensioner is the belt gets real close.

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Old 07-30-2008, 12:36 AM   #6
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See i thats what i thought. How much would let that 3.4 go for
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Old 07-30-2008, 12:43 AM   #7
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I'll go $40 shipped. I have a over sized tensioner if you need one. I'll go $60 shipped for both.
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