Quote:
Originally Posted by Eric Merryfield
NHRA tech department clarifies recent lifter rule change
The change is to allow the use of a solid lifter in place of a hydraulic; you may not replace a flat tappet with a roller.
So what effect if any would there be on a 1993 build chrysler hydraulic lifter on a 383 big block. I assume new valve springs would be needed. Didn't change the rockers, still original as delivered.
Thanks
Eric
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Can't see why new springs would be needed, better have adjustable rockers though. I thinking solids are lighter than hyd. anyway. Also a lot cheaper.