Who knows a lot about pulleys?
Thread Starter
Junior Member
Joined: May 2006
Posts: 39
Likes: 0
From: Long Island
Car: 1987 gta T/A
Engine: 5.0 TPI
Transmission: 700R4
Axle/Gears: 3:23
Who knows a lot about pulleys?
on my 305, I installed an underdrive pulley thats 5.5 inches in diameter, and I never installed a smaller alternator pulley, so now my car isnt running enough power, sometimes almost stalling. I need a smaller alternator pulley but which size????? and who sells it??? I'm such a retard.... March has a beautiful underdrive pulley w/ an alternator pulley for like 90 dollars, and I bought an asp underdrive pulley for the same price, and it didnt come with the alternator pulley.
helpp pleaseeee
helpp pleaseeee 
Joined: Aug 2006
Posts: 12,804
Likes: 103
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
yea i have the same problem i bought a March setup and put on a larger alternator pully and now i have voltage issues at idle need to fix it, dont really know where to get one, maybe try summitracing or jegs
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