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I regret Jet's crankwalk problem. I have rebuilt about 20 or so 1G DSM engines over the past three years and several (I don't keep track) of them had ARP mains installed. No line boring was necessary and they are still running well today.
Claiming that using ARP main studs without line honing (not "align honing" as someone stated earlier) causes crankwalk is no different that claiming green paint causes crankwalk. If you want to claim something then provide the tech info to back it up! Opinions don't mean squat!
Dr ****
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