Has anyone shortened rec valves with any success? I had a set of ferrea valves in my engine which I shortened .040" to get the lift I wanted from my cam, the engine ran well all season. I have now stripped the engine to check things over and have found 3 of the 8 valves have worn on the tip. The follower have put a small groove in the centre of the valves.
I have ordered a set of rec valves from gs valves in the closest length to what I had but I would like to take .015-.020" from the inlets only to get back to the same lift I had from the shortened ferrea valves.
Has anyone shortened rec pinto valves without then wearing the tips out? I would prefer to have the same lift as I had but don't want the same thing to happen again. The ferrea valves were stainless with a hardened tip.
thanks joe
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