[Vwdiesel] Cetane and mileage --- ( pump experiments )H.Hagar h_hagar at prcn.org
Tue Mar 9 11:20:59 EST 2004
New guy here. (Ferguson) asked : Anyone ever experiment with running with timing more advanced on their TD? Yes I have been doing exactly that for about two years now. Retired so if I feel like playing all day , that's what I do. 1984 Turbo 1.6L Rabbit 5 speed manual 255 000 km on clock. I have changed Injector pressure and timing and fuel regulator setting etc many many different settings. Many different fuels. Sort of non mechanic's euphoria. And by the way I grew up with REAL injection pumps. Inline where the stroke was variable. In your case its a piece of cake .Make a really thin scribe mark on pump , and advance pump say a pencil line each time , keep going several times till engine starts to protest.As a mechanic the best point is easy to find for you without hurting engine.If you want to know anything about VE pumps look in archives , and find there links to many good sites. If I can find I shall post here for you. Roger Brown , Scott Kair , Sandy Cameron and many others have links to internal drawings spec,s etc. Before signing off maybe I should mention that the internal vane pump vanes wear very fast on some pumps.And there goes the economy and power and comes the smoke. Hagar.
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