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I hit a rock about the size of a golf ball, nothing super hard, kind of a decomposed lime stone. Well blades spinning at 4,000 rpm have no mercy. The rock was pulverized with 3 hits that sounded like 1 and left 3 nice chips taken out of my blade. I filled them in with L56 wire and CO2, the damage was not in line with where blades are known to crack and break.
Definitely worse damage than normal speed blades.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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