[Vwdiesel] Rabbit droppings # 46 -- ( How to get lots of mileage )H.Hagar h_hagar at prcn.org
Mon Mar 8 10:34:36 EST 2004
Doug Ferguson : Sounds like a "Hillbilly Tuning" job is in your future. and I am specific there. " Astronomical mileage ? " I shall test with a bottle of exactly measured fuel. The stroke on these wonders are fixed at about 80 thou . And you are right about fuel in , is where the GO power comes from. So the timing of pump is your next step. If that does not do it ---check internal pump pressure versus RPM. at 1000 RPM (pump) the pressure should be 4.6 to 5.2 bar. That's you timing advance. I would move the pump a pencil line advancing and park next to a known good one, and compare sound. Pumps usually need to be advanced more than books say on older VW diesels.
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