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I have a 1985 era block, AFR Bullit heads. Is there a go to pushrod length or is it a "have to" measure.
 

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Which rocker arms are you running?
Flat tappet cam?


SJ
used 2b RHP


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I have not selected rockers yet. So I would like a rocker arm and pushrod length recomendation

Has the block been decked?
AFR heads with 75 or 85 cc chambers?


SJ
used 2b RHP


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Comp XD
Crane gold
Lunati

8.800" ish
9.150" ish

With Comp XD and the above. Other rockers can be different.

We use the Comp XD in both 1.73 and 1.8.
Smith brothers push rods.


SJ
used 2b RHP


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