Quote:
Originally Posted by SD455DJ
Kent, 1.65 rocker arms will require you to enlarge the pushrod passages in the heads since the fulcrum distance is moved towards the stud (closer). I would go with a cam swap myself (2802 or equivalent). Get the Hy-Lyft Johnson lifters that Paul Kippen carries, I believe. You can still use your 1.50 rockers with that cam, but you'll also need to install stronger 7/16" studs and poly-locks to adjust the lash. You would need to do the same thing with the 1.65 rocker arms.
Glad to hear new RA manifolds and Pypes exhaust are working for you.
Dennis
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Do you like the R or just the standard Johnson Hy-Lyft?