Quote:
Originally Posted by 79Mercy
Ya I know, right Jimmy.
The most recent case was a 79 300TD that had came into my buddies shop and it had logged about 20K on veggy oil, car had 200K on it. Well it got to the point where it wouldn't start, so we ran a compression test on it and found very low numbers on all cylinders. So he tore down the engine and I only wished I had taken pictures of the rings.....
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I just dont get it, I have several thousand of miles on veggie and no ring coking, low compression issues.
Were the injectors bad in the first place, and maybe the rings had been coking up from the diesel it was run on for 200,000 instead of all of it happening in the 20,000 on veggie ?
A bad injector causes coking of the rings despite what fuel your using.
Do you have any information that is first hand ?
Instead of a guy who brought their car into your buddies shop ?
I have heard lots of shop talk get pretty far fetched, like fish stories around a camp fire.