Quote:
Originally Posted by Rusty
... I broke a forged crankshaft on a 1970 Chevy LT1 with a four bolt main. ...
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Engines have changed a bit since 1970 - better materials, tighter clearances, more attention paid to balancing, etc. Almost an apples-to-oranges comparison.
That said, I wouldn't run a 370Z (or any other car) without a damper. Just not worth it for the (very) few extra ponies gained, IMNSHO. Maybe for a track car but not a DD.