what size push rods
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6th Gear Member
Joined: Jan 2007
Posts: 5,464
From: Milford, Delaware
what size push rods
I have a 93 block with gt-40x aluminum heads that have been shaved .25, i also have 1.6 roller rockers and an e cam. will stock length work? I am getting hardend push rods and guide plates but not sure if stock length will still work. thanks
6th Gear Member
Joined: Apr 2007
Posts: 10,468
From: California
RE: what size push rods
Maybe, maybe not. Lifter preload is supposed to be .020-.060, so if you were at minimum preload, like .025, then you'd be at around .050. Without knowing what your preload was before, can't really tell. Besides, if they're too long, just shim the pedestals(if they're pedestal mount). If they're stud, then check to see what the rocker manufacturer says on how to check rocker geometry/pushrod length. You might be fine with stock length, you might not
2nd Gear Member
Joined: Jun 2004
Posts: 163
From:
RE: what size push rods
ORIGINAL: 67mustang302
Maybe, maybe not. Lifter preload is supposed to be .020-.060, so if you were at minimum preload, like .025, then you'd be at around .050. Without knowing what your preload was before, can't really tell. Besides, if they're too long, just shim the pedestals(if they're pedestal mount). If they're stud, then check to see what the rocker manufacturer says on how to check rocker geometry/pushrod length. You might be fine with stock length, you might not
Maybe, maybe not. Lifter preload is supposed to be .020-.060, so if you were at minimum preload, like .025, then you'd be at around .050. Without knowing what your preload was before, can't really tell. Besides, if they're too long, just shim the pedestals(if they're pedestal mount). If they're stud, then check to see what the rocker manufacturer says on how to check rocker geometry/pushrod length. You might be fine with stock length, you might not
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