About 17-18 years ago I had a cast core custom ground hydraulic roller in a BBC here, and it did what is pictured above after about 2 years of street driving. It was somewhat of an aggressive grind (242/248 @ .050 and around .650 lift.) I probably had about 15,000 miles on it.
I switched to a billet core after that, similar grind, and it's been going fine for about 15 years now. I use a melonized gear on it, still looks brand new. Not a huge fan of the bronze gears.
Tony Bischoff built dads engine 3 years ago, billet solid roller and used a bronze gear. I pulled it out and checked it last year and it had some pretty good wear on it already after ~5,000 miles. I replaced it with melonized, still looking good.
Just food for thought.
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02-26-2018, 02:33 PM
Hybrid Mode
