Re: Sunken Valves


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Posted by Marty on Wednesday, May 16, 2007 at 23:11:14 :

In Reply to: Sunken Valves posted by Ken C. on Wednesday, May 16, 2007 at 21:26:10 :

Ken,
From my limited experience...so long as your tapets are adjustable, your valves when set up will all open the same no matter where the valve seat is set into the head.
On engines with non ajustable hydraulic lifters like the old 390 Cadillacs & I'm sure lots of others...when they ground the valve seats they would also grind the tip of the valve, or install shorter pushrods...shorter by however far they machined off the seat.
That being said...125 thousands of an inch doesn't sound good to me!



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