Update:

There could be variations in OM606 pumps, so until this is ascertained, no sales for OM606engines. Will update shortly.

Just an FYI from my experience...........

I'd like to add that the ID of the supply line to the lift pump is too small and has a few restrictions built into it also reducing i/p internal pressure..

For those of you running more than stock HP, increasing the supply hose ID to at least 1/2 will ensure the lift pump is not being subject to cavitation damage which will eventually lead to pump putting out less pressure and volume.

Those of you with the 123 wagons have more restrictions in fuel supply flow than the 123 sedan.

Using a 9psi electric boost pump near the tank helps starting and idle quality.....especially using WVO.

Long cranking times to start is often the supply volume and pressure to the i/p.

I found that on my 1985 123 sedan, this fuel line size limited the power at 3500 rpm and up quiet a lot. Adding a boost pump allowed the engine to reach 4900 rpm at WOT in any gear. Whereas before, power fell off at 4000 rpm, and in 2nd and 3rd and top gear rpm's never got over 3900 rpm.

FYI...The head was ported to the limit and Total Seal second rings to new pistons and sleeves. I/P was optimized with new elements . I just wish I had known about Myna back then.


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[http://languageandgrammar.com/2008/01/14/youve-got-problems-not-issues/ ]

"A liberal is someone who feels they owe a great debt to their fellow man, which debt he proposes to pay off with your money."

I agree,I had a 12 psi electric pump also,It seems my 617 charged up mountains,leaving alot of new cars in the dust.However they have got expensive,I always bought NAPA solenoids pumps.

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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt

How did the pump affect mileage?

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1998 VW Cabrio
2001 Audi SomeRoad A/T (no air suspension)
2003 Audi DeadRoad M/T (no vroom, for later)
2002 Audi NoRoad A/T (nothing under the hood, being rebuilt)

I thought it helped it on wvo,because the lift pump which is run by the motor,didn't have to work hard.

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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt

there is some on ebay for $59. 12 volt,10 to 14 psi diesel pump

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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt

Got my injectors done by greazzer and scooped up one of his OFVs. Just installed the OFV and it made a noticeable difference...Highly recommended for my (turbo) application. I'll get the injectors installed sometime soon but wanted to see how the OFV did for the butt dyno first.

Currently, down to 5 new OFVs for turbo applications. All NA's sold out. After that, I just have the springs ...

Sending you a PM

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Mac
2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22

Responded ...

PM sent.

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84 300SD
85 380SE
83 528e
95 318ic

Responded to. Thanks.

The idle smoothed out quicker after the first start of the day. Mind you, it's 65 degrees here and I'm comparing it to the last 10 or so days when the temp was lower. It also seemed to idle a little better.

Since I never push hard on the accelerator it's a little difficult to say how much the acceleration has improved. It runs great and seems to have quite a bit more pickup with this new valve. I just can't quantify it with objectivity. Me likie!

I'm not planning a trip to the post office until later in the week so you probably won't get the old bolt assembly until mid next week. Don't worry about the refund just take it off the price of popping those injectors when I get the new nozzles.

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84 300SD
85 380SE
83 528e
95 318ic

Thanks for the follow-up !

I've been reading this thread with interest .

Where does anyone tap in to test the pressure ? .

The hose from this banjo bolt goes up to the filter head and attached via another banjo bolt , I was thinking of drilling and tapping a spare one for a pressure gauge to see what's what before I spring for this modification .

Comments please ? .

Pictures of the pressure gauge tapped in would be nice too .

TIA ,

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-Nate
1982 240D 408,XXX miles
Ignorance is the mother of suspicion and fear is the father

I did then what I knew how to do ~ now that I know better I do better