Serpentine belt size

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Dec 28, 2007 | 11:43 PM

youguessit

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From: Houston

Serpentine belt size

Im sure this question has been asked a million times.... I looked but couldnt find it already asked. My question is what belts do i need for a slp 25% underdrive crank pulley and a asp 32% overdrive alternator pulley. What size ac belt and what size regular pulley do i need.

Dec 29, 2007 | 07:35 AM

LS1MCSS

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From: Dover, Arkansas

I used to have the size for 25% under drive wrote down, but have lost it. I can look at my belt later today, but it's for the underdrive crank pulley and alternator pulley, both. Will that help you?

Dec 29, 2007 | 11:07 AM

youguessit

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From: Houston

As long as it is the crank 25%under and the alternator32% over. It will be perfect if that is what you have. Thanks.

Dec 29, 2007 | 11:42 AM

massls1guy

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From: Mass

check out thunder racing's page:

http://www.thunderracing.com/catalog...vid=3&pcid=111

11-378K4 A/C Belt for 25% Underdriven Harmonic Balancer Crank Pulley $17.99

11-755K6 Accessory Belt for 25% Underdriven Harmonic Balancer Crank Pulley and Overdrive Alternator Pulley, 1998-2002 LS1 F-body $39.99

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