Questions on 2.0 and 2.2 pullies for S1 L67 - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-14-2004, 11:29 PM   #11
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The 94/95 setup was more efficient, and therefore made the same boost at lower RPMs. This also kept temps down some. Finding a stock pulley will give you the pefect boost and not cause a drop in HP from temps.
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Old 07-15-2004, 10:48 AM   #12
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92-93, going from the stock 2.55" to a 2.2" will be the same as a 94/95 with the stock 2.85 going to a 2.55 or 2.5".
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Old 07-15-2004, 11:34 PM   #13
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Cool, now that we've cleared up what pulley size to get on my '95, do I still need to run the bigger tensioner pulley with the 2.5" blower pulley, or is that just required for the 2.2" pulley?
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Old 07-16-2004, 02:18 AM   #14
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A tensioner will help with belt wrap. However you can just step down to a different belt. as well. Some of the 95 owners here who've done a pulley can help you out with that. SSEi95 is one of them.
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Old 07-19-2004, 07:15 PM   #15
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I plan on using the larger tensioner pulley when i put the smaller pulley on my 95 ssei. I figure the more belt wrap i can get the better. Just my opinion...
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Old 07-19-2004, 07:29 PM   #16
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Keeping the stock belt length has the advantage of not forgetting it. All parts stores will know what you need.

The oversized idler is almost required on the 92/93, and a pretty good idea for the 94/95. Not critical at all on the 96+.
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