I think the clearance between the lifter, and the lifter bore could have something to do with it. The engine I'm dealing with now has less than .002", so not enough volume to keep it filled.
The oil band doesn't always have to be in the oil hole, just needs to be aligned at the critical time, when it's on the base circle.
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Paul Carter
Carter Cryogenics
www.cartercryo.com
520-409-7236
Koerner Racing Engines
You killed it, We build it!
520-294-5758
64 GTO, under re-construction, 412 CID, also under construction.
87 S-10 Pickup, 321,000 miles
99Monte Carlo, 293,000 miles
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