|
Honestly, I don't see any way that compression would be affected by the distributor being 180 degrees off.
I suppose another way to test for TDC on the compression stroke would be to put your compression gauge on cylinder 1 and hand crank the engine until you see compression go up and your timing mark is at TDC. This would be doing the same thing as covering the plug hole with your thumb and waiting for it to be blown off on the compression stroke. This method may not work as I've never seen it referenced on line but I've seen the thumb thing mentioned in a few places when I was trying to get my distributor lined up correctly after removing it to pull some other parts off of the engine.
Once I got around to hand cranking to TDC I realized I was one tooth off on the distributor, but mine would still fire and run (badly). 180 degrees off, I can't imagine that it would fire or run because at TDC when the plug fires the exhaust valve is open and your fuel air mixture is no longer compressed or in the chamber, correct?
|