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Posted by David Sherman [24.32.202.83] on Thursday, March 04, 2010 at 00:40:22 :
In Reply to: Pump timing is waaay critical. posted by Chriscase [76.201.18.18] on Thursday, March 04, 2010 at 00:32:06 :
I suspect my problem is in timing, but something really drastic. It will run equally well/bad if I pull out the pump, turn the shaft 180 degrees, and put it back in (it mounts like a distributor). It requires ether or WD-40 and much cranking to start. I can only turn the pump about 1/8" or so because the lines are so stiff, but when I do, it makes no difference. Since it's gutless, it smokes, and it overheats with the injector timing 180 degrees off just as it does with it right on, I suspect it's only firing on 2 cylinders, and by turning the pump around I get it to fire on the other 2 cylinders. The non-firing cylinders probably just create an oil mist (light gray smoke). I've double checked everything related to the timing, but it's harder than with a gas engine to see just when it's "firing" on which cylinder Flywheel mark and mark on pump rotor are aligned as per the manual, and when I had the pan off to overhaul the engine I triple-checked that I got the oil pump back in per the book.
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