Pulley Size - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-08-2003, 12:40 AM   #1
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Default Pulley Size

I want to get a small pulley for my 95 ssei. What size should i get so i don't hurt the engine, yet get some performance gain. Everything is pretty much stock, gutted air box, and intake soon to come.
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Old 08-08-2003, 12:44 AM   #2
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A 2.5" pulley would be a good size. It is the stock size for 92-93'* so it won't over rev the SC.

Check out www.pulleyboys.com they have a decent price and you can get them in silver or black. They look pretty much stock for the Series 1 SC.
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Old 08-08-2003, 05:06 AM   #3
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so if i was to get a different pulley on mine it wouldnt do anything but hurt somethin?
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Old 08-08-2003, 02:46 PM   #4
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No you could too. But talk to willwren about it. He knows more about the 92-93 than me.
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Old 08-08-2003, 04:05 PM   #5
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94-95 I recomend a 2.5 pulley (what I have) but I have heard of a member here running a 2.4 successfully.

92-93 I belive they can run down to a 2.2 (2.0 if you want to really push it. )..but don't quote me on those.

FYI: The stock pulley size on a 92-93 is smaller than the 94-95. Differences in ratios throughout the engine make up the difference. ( such as pulley sizes, etc...)
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Old 08-10-2003, 03:08 PM   #6
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I want a pulley to swap out!
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