Posted By: legends
Pushrods-572 Gen2 Hemi - 11/16/12 11:04 PM
572- mopar block, 426-RA-1 Indys. How much grinding on heads and block for 7/16 inch pushrods to fit
Posted By: rickseeman
Re: Pushrods-572 Gen2 Hemi - 11/16/12 11:50 PM
If you use 7/16 to 3/8 taper or 7/16 to 3/8 double taper not much, but you are probably using a lot more lift than I am. If you are worried about strength go thicker on wall thickness. Manton or Smith Brothers can give you a reliable recommendation.