Push rod length querstion?
Thread Starter
Member
Joined: Dec 2000
Posts: 482
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From: World Axis
Car: 1990 Formula
Engine: treefitty
Transmission: stick
Push rod length querstion?
I'm swaping from a 305TPI to a 350"TPI". Using a ZZ4 short block w/LT4 Hot Cam. AFR 190s milled to 64cc.
My question is; should I get/use stock roller valve train pushrods(7.200") or should I opt for adjustable pushrods? since the heads are not stock?
Thanks in advance.
Mike
My question is; should I get/use stock roller valve train pushrods(7.200") or should I opt for adjustable pushrods? since the heads are not stock?
Thanks in advance.
Mike
TGO Supporter
Joined: Aug 1999
Posts: 14,811
Likes: 1
From: Jackson County
if all you change is the heads and both blockes are/were roller blocks then you can keep the standard length push rods. you might want to consider aftermarket parts and check gemoetry to make sure all is well and no interferance problems. as a rule when i reach .500 or so lift i go another .1 on the push rods
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