Also, I have seen Ferrea valves stems bent all the way around into a spring shape without breaking the head off. I have seen other brands of stainless steel valves break the heads off after being bent 45° or less. In all my years of using hundreds, if not thousands of Ferrea valves, I have only seen one break the head off. It was from thermal shock. I have seen a lot of other SS valves break heads off.
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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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