07-14-2023, 09:06 AM
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CC Member
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Join Date: Feb 2007
Location: Colorado Springs,
CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,455
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Not Ranked
I raced my FFR for 10 years with -10 lines. Bearings still within specs at teardown.
My current race car also has -10 lines. After 5 seasons on a used engine, bearings still within specs. I replaced them anyway.
Granted, this is anecdotal evidence based on two vehicles. They were run flat out lap after lap. I was not gentle. 
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.boB "Iron Man"
NASA Rocky Mountain TTU #42
www.RacingtheExocet.com
BDR #1642 - Supercharged Coyote, 6 speed Auto
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