Quote:
Originally Posted by maytag
I've heard y'all say this before, but I'll tell ya what: if there is so much slack in the timing chain arrangement that you can't turn these motors backwards (as y'all explained last time was the reason) then why don't we experience issues when you let off the throttle abruptly after a red-line pull?
I guess I don't understand the reasoning.
Explain for me?
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Because when the engine truly rotates backwards, the valve timing will result in instant piston to valve contact; even rotating by hand, the mechanical advantage is sufficient to bend valves. When you back off of WOT, the engine is still rotating clockwise; the only way to get it to rotate counter clockwise is by someone turning the crank backwards.
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Last edited by JFP in PA; 09-21-2019 at 10:32 AM.
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