Quote:
Originally Posted by Dragncar
The 74163F are for std heads.
The 74165 are custom so I believe they are whatever you need.
The way I understand it the .400 offset are for E heads without pushrod tubes welded or deleted.
The .700 offset are for the big time wide ports. The T&D shafts I have say 1.7 on the exh rocker and 1.8 on the intake rocker. Not sure exactly what that means since the numbers are so close.
The offset on the Jessle .903 lifters look to be about as far as you can move them.
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The 1.7 & 1.8 usually refer to the rocker arm ratio.
03-04-2022, 08:40 PM
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