whipple pulleys
08-11-2011, 01:02 PM
#1
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whipple pulleys
does anyone know what size pulley the 500 efi side mount kit came with? im making about 4-5 lbs of boost and might be looking to up it a couple lbs once i get the bmax drives on.......thanks, ted
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08-28-2011, 09:53 PM
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Thanks guys, I guess what I really need to know is what pulleys do I need to run 7-8 lbs of boost and does anyone know where I can buy them or does anyone have a pair they wana sell
08-28-2011, 10:23 PM
#8
2.75"...I think is what I ran on my 454's. 8.75:1 pistons with those 2.75's gave me about 9.5lbs or something like that on box-stock Edelbrock aluminum marine heads (same as the 525efi's)
