View Full Version : Valve Springs

Black Horse
08-15-2003, 09:17 AM
I'm trying to determine the best valve spring set-up for my engine....need any and all advice especially:

Recommended valve spring loads (at install height and at valve-open) for road racing type applications. Hyd. roller lifter, a bit over .5 valve lift.

I was figuring around 140# at install height and 350# at valve open. This sound about right or is it too aggressive for the hyd. roller lifters? (I can only assume they are the cast lifters not the billets).