Drive belt help

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07-28-2009, 07:05 PM

jimbob8915

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Drive belt help

Ok I have searched and have seen what belt for a 2.8 pulley but I have a Metco 100mm idler what belt length do I need? My current belt is a Motorcraft 2R3V-8620-BC. How long is this belt and what would be the next size smaller part number?

07-29-2009, 07:47 PM

P.S.I.cho

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call napa for a gates part number cross reference

07-30-2009, 11:38 AM

hot sauce

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or you can just call your tuner and ask them pretty sure they have done 2.8 pullies swaps

07-30-2009, 08:01 PM

jimbob8915

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Quote:

Originally Posted by hot sauce

or you can just call your tuner and ask them pretty sure they have done 2.8 pullies swaps

LOL my "tuner" is a Kenne Bell switch chip. My tune was for a 3" pulley but my afr monitor was showing 10 at WOT so I put in the 2.8 and now get 16 psi with 12 afr. I am happy with tune and all just concerned with belt slip.