I've only had 1 flat tappet cam failure in the past 10-15 years, or more. So, I don't feel they are failure prone. Most of the street engines[and, by far, Pontiacs] we build still get HFT cams. Nothing wrong with them if broken in correctly. I even have many out there that are running 130-140 lbs. on the seat, and 340-350 lbs. open, without problems. I don't feel it's a cam core quality issue.
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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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