v8bertha Posted June 1, 2006 Share Posted June 1, 2006 I've just had a quick skim through the post in the tech archive about tweaking fuel pumps on a TDi motor. What a superb post... very informative http://forums.lr4x4.com/index.php?showtopic=31 Anyway..... as my 110 is making an awful lot of black smoke under load, and the MOT is looming, I reckon it may need winding back a bit. So it seems that I will have some good bed time reading, but there is one glaring omission.... The diagrams don't appear to be there anymore Anybody have a copy of them that they can email to me, or host so I can download 'em? Or... can sombody take picy's of the adjustment screws on a 300tdi pump so I know what I'm looking for? Cheers dudes and dudettes Dan Quote Link to comment Share on other sites More sharing options...
white90 Posted June 1, 2006 Share Posted June 1, 2006 dead simple exercise have a look at the lower link black smoke under load turn the diaphpram anti clockwise a tad here for diagrams http://dodgeram.org/tech/dsl/more_power/Power_ve.htm Quote Link to comment Share on other sites More sharing options...
TheRecklessEngineer Posted June 1, 2006 Share Posted June 1, 2006 Get your engine nice and hot, drain and remove fuel filter, refill with ATF fluid. Rag the **** out of it in 3rd gear under load (I find the motorway on ramp near yours good for this). Put your foot to the floor and keep it there with the engine on or near the limiter for a good 20 seconds. You will get lots of black smoke, but it will clear. Then take it to the MOT Quote Link to comment Share on other sites More sharing options...
jules Posted June 1, 2006 Share Posted June 1, 2006 Are Raging a Diesel before its MOT nothing changes I see Quote Link to comment Share on other sites More sharing options...
fisha Posted June 1, 2006 Share Posted June 1, 2006 the ORRP FAQ section has a thread on the basics of tweaking the pump. Quote Link to comment Share on other sites More sharing options...
Budgie Posted June 1, 2006 Share Posted June 1, 2006 I think backing off on the max fuel a little sound less destructive TBH James. Mine's at the other end, over fueling at low revs, so I'll have to have a look at backing off the smoke screw and/or star wheel a little. Quote Link to comment Share on other sites More sharing options...
v8bertha Posted June 1, 2006 Author Share Posted June 1, 2006 Smashin stuff.... just what I was after Mr Morfee.... Thanks for the pointers, but I think I'll adjust things a bit before putting ATF anywhere near my fueling system Anyway, it gets a good raggin everyday up that sliproad! Quote Link to comment Share on other sites More sharing options...
TheRecklessEngineer Posted June 1, 2006 Share Posted June 1, 2006 ATF is less agressive than the military approach - they use brake fluid! Very good on carbs apparently Quote Link to comment Share on other sites More sharing options...
honitonhobbit Posted June 1, 2006 Share Posted June 1, 2006 Smashin stuff.... just what I was after Mr Morfee.... Thanks for the pointers, but I think I'll adjust things a bit before putting ATF anywhere near my fueling system Anyway, it gets a good raggin everyday up that sliproad! Dan, I'll do it for you up at Eastnor Quote Link to comment Share on other sites More sharing options...
v8bertha Posted June 2, 2006 Author Share Posted June 2, 2006 Dan, I'll do it for you up at Eastnor What, fill it with ATF and rag it, or just tweak it a bit?? Groovy dude, see ya there! Quote Link to comment Share on other sites More sharing options...
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