Quote:
Originally Posted by stownsen914
I thought I'd read that too much deck height is undesirable because it can encourage inefficient combustion propagation and detonation. So more isn't necessarily better safety margin.
|
That sir, is correct.
Excessive deck height leaves too much end gas at the periphery of the piston domes which can spontaneously ignite before the plug fires as the piston approaches TDC.
You REALLY want no more than 1.1mm-1.2mm
One lasts thing, I never assemble one without base gaskets since I cannot afford any oil leaks.