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Originally Posted by coombsie66
How often has he gotta change his rockers, followers, and valve springs?? 
All i know is the 5 litre ford pushrod in the 2 falcons im helping run this weekend has nearly that grunt, rev's to 7500 and needs top end rebuild after 50 ish hours of running or less! |
A 5 liter producing similar hp to a 7 liter @ 7500?? Something must be wrong here.