RE: Crankshaft welded to block was Death of Me

["Randall" <tr3driver@comcast.net>]

> OK this is a new term for me.  Please tell me what an "interference
> engine" is?

An interference engine is one where a fully open valve will hit a piston at TDC.
If the crankshaft/camshaft relationship is not maintained for some reason (like
a broken timing belt/chain) or is set badly wrong, mechanical damage (usually
quite severe) results from valve/piston contact.

Randall


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