Re: Hooked on ether-how to kick the habit

Posted by buickanddeere on January 24, 2004 at 05:12:16 from (192.75.48.2):

In Reply to: Hooked on ether-how to kick the habit posted by Vern on January 23, 2004 at 19:06:40:

. Compression is likely low and cranking speed too slow. Need both to make enough heat to initiate combustion.
Odds are it's had a tinker's re-build. Just bearings, rings, gaskets and ground valves/seats. Worn injectors spraying at too low pressure will cause problems too.
Besides the blow by between the rings and cylinder walls. The valves are now sunk and the compression ratio has been dropped. Diesels require new vales, seats and guides. The old loose guides/valve stems have by now lets the valves wobble and ruined the sealing ability.
Too much either will crush the piston ring grooves together pinching the ring and preventing it from tightly following the cylinder wall surface. Or break rings.

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