Oldsmobile used 37.5° on some of their exhaust seats in some V-8's. Some industrial engine I did years ago, I believe it was International, had 15° intake seats. Talk about a flat valve!
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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
86 Bronco, 218,000 miles
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