Torque gains from 3.4" pulley - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-10-2004, 08:00 PM   #1
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Default Torque gains from 3.4" pulley

Just curious, since I'm trying to estimate my HP and TQ when I get my pulley.

I've heard between 30 to 50 ft-lbs. (at the crank) added on to what gains I already have from my mods. Is that true?
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Old 11-10-2004, 08:04 PM   #2
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I've heard 40.
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Old 11-10-2004, 08:34 PM   #3
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I have heard 20-30 hp, and 40 or more lb/ft of torque, assuming no timing reduction from KR.
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Old 11-10-2004, 10:08 PM   #4
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40-50 crank should be right, 30 hp gain at the crank.
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Old 11-10-2004, 10:09 PM   #5
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Sweet. I can't wait till I get it installed.
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Old 11-11-2004, 12:04 AM   #6
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Your tires will wish you would've waited though.

I can verify 40-50ft.lbs, and about 20-25hp assuming no KR.

Shawn
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Old 11-18-2004, 12:50 PM   #7
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Quote:
Your tires will wish you would've waited though.
Amen to that...front tires on my Buick HATE ME!!!!
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Old 11-19-2004, 01:30 AM   #8
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I think my trans will hate me.
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Old 11-19-2004, 09:15 AM   #9
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Quote:
Originally Posted by fantastic88
I think my trans will hate me.
It will love you if you add a cooler. I put mine thru hell, and with 101k it shifts like new. Do the cooler!!!

Jay
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Old 11-19-2004, 09:34 PM   #10
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Quote:
Originally Posted by Rogue
40-50 crank should be right, 30 hp gain at the crank.
You can gain THAT much from just a pulley? How much would i gain with my SER1 L67? I am just curious I would like some more grunt.
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