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  1. R

    MEP-803A cranking cylinder pressure

    L.I.T.D, I believe most of your Gen business has typically been 803's right? Is your Leaf Blower unit acting much worse than other 802's you've seen or are you comparing it to a typical 803? There is a night and day difference between what happens when you open the oil cap or pull the dipstick...
  2. R

    MEP-803A cranking cylinder pressure

    Jeff, it sounds like you have decent compression. I think in the past I found anything over 250 is fine. Once you get down around 200-225 you start having starting issues, like smoking for 30 seconds to 1 minute until heat builds up a bit. If she starts good and doesn't continue to smoke ( gray...
  3. R

    MEP-803A cranking cylinder pressure

    If it starts up on its own during a lightening storm, ( especially without a remote start installed ) then I'd lean towards Demonic Possession... otherwise maybe just stuck rings? How's it sound when cranking? does it crank abnormally fast?
  4. R

    MEP-803A cranking cylinder pressure

    Jeff, on the 802/803 the crankcase vacuum is created through a small tube in the corner under each valve cover. the tubes connect the intake runners into the rocker area, which then draws from the crankcase through the pushrod tubes and the oil drain passages. Did you check your crankcase...
  5. R

    MEP-803A cranking cylinder pressure

    Thanks Guyfang. I tore it apart last night and will re-do everything again with new parts this time.... No sense short-cutting anything again!
  6. R

    MEP-803A cranking cylinder pressure

    Out of curiosity, were you getting a lot of smoke ( bluish gray ) upon cold start? What I'm finding is that cylinders with 225-250+ seem to run good, but once you drop to about 200psi it seems like the cylinder is right on the edge of insufficent compression temp to fire and will just smoke...
  7. R

    MEP-803A cranking cylinder pressure

    Don't laugh, but here's what I had to do.... I used the body of a bad injector, welded the small fuel return line closed and then welded 2 different thread lug nuts together ( one that would thread onto the injector and the other that would accept the thread on one of my compression gage...
  8. R

    MEP-803A cranking cylinder pressure

    Hello everyone, I was wondering if anyone here knows what the typical cylinder cranking pressure should be on a typical LPW2 or LPW4 motor? I've been working on several of these and I'm finding some at about 250psi and some closer to 200-220 psi. From reading, these motors are supposed to be...
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