horse power rating for 521

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horse power rating for 521

Post  plctech on September 18th 2012, 11:22 pm

about how much horse power will a 521 make with p51 heads flat top piston h beam rods scat crank 4340
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Re: horse power rating for 521

Post  jc10000rpm on September 18th 2012, 11:37 pm

u can make over 750 with just a flat tappet cam and good intake and carb, well over 800 with good roller cam setup

as far as max hp i would hate to guess, probably around 900 unported.

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Re: horse power rating for 521

Post  IDT-572 on September 19th 2012, 3:48 pm

plctech wrote:about how much horse power will a 521 make with p51 heads flat top piston h beam rods scat crank 4340

Welcome to the board............. (Critter Jones Jr.) Razz Shocked Cool
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