Reply to "Bad valve spring day.."

1Rocketship (Guest)

Relatively speaking, Extreme valve spring pressure & severe camshaft profiles/ramping are kryptonite to Superman's engine.

That is why exotic engines utilize dual overhead camshafts per cylinder head & 4 valves per cylinder to eliminate the necessity of having to resort to extreme valve spring pressures & HUGE camshaft profiles to develop 2HP per cubic inch of displacement ratios at the sacrifice of engine longevity ...Mark

5/4/1510:08 PM

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