Hydraulic lifters and stuff
#1
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Hydraulic lifters and stuff
I'm replacing the junk J heads and doing a piston swap chasing higher compression than the stock 8.5:1 from 1973.
When I swap the heads from J to C heads using Felpro .042" head gaskets and about .004" off the heads, is that going to upset the lifter/ pushrod/ rocker arm clearances, or should the hydraulic lifters take up the slack?
When I swap the heads from J to C heads using Felpro .042" head gaskets and about .004" off the heads, is that going to upset the lifter/ pushrod/ rocker arm clearances, or should the hydraulic lifters take up the slack?
#2
Given the information you stated, the lifters should be able to accommodate this difference/slack.
Anything else going on that you didn't mention? Like machining the deck of the block?
You really should measure this. You'll need a checking push rod and be able to measure the difference to be sure.
Anything else going on that you didn't mention? Like machining the deck of the block?
You really should measure this. You'll need a checking push rod and be able to measure the difference to be sure.
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