There are several broad rules of thumb that provide clues to whether increasing rocker-arm ratio will prove to be a performance boon with a given engine, cylinder head, and camshaft combination.
Aftermarket valvetrain parts are on the rise in the diesel segment. Harland Sharp is getting in on the game with its new D-Force product line, which includes roller rockers for 6.6L Duramax, Cummins ...
There are several broad rules of thumb that provide clues to whether increasing rocker-arm ratio will prove to be a performance boon with a given engine, cylinder head, and camshaft combination.
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