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Type M Injection Pump High altitude Fix??
Just dawned on me, I am having a fair amount of diesel fuel smoke out the rear while idling. I then was thinking, I am at high altitude and the type M pump has no ada/alda....
So I was curious, if any adjustments can/need to be made to the ip, to help with fuel burning at altitude?
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#2
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Is the Euro 617NA rated for the same hp output as the federal one? If so you could always swap in a federal IP that has an ADA on it. How old are your injectors?
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2004 F150 4.6L -My Daily 2007 Volvo XC70 -Wife's Daily 1998 Ford F150 -Rear ended 1989 J-spec 420SEL -passed onto its new keeper 1982 BMW 733i -fixed and traded for the 420SEL 2003 Volvo V70 5 Speed -scrapped 1997 E290 Turbo Diesel Wagon -traded for above 1992 BMW 525i -traded in 1990 Silver 300TE -hated the M103 1985 Grey 380SE Diesel Conversion, 2.47 rear end, ABS -Sold, really should have kept this one 1979 Silver 300D "The Silver Slug" -Sold |
#3
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with the type M pump, I get an extra 10hp...plus its so simple to idle up compared to the mw pump...so its something I want to keep.
Injectors are probably about 5 years old, I am need...or say I WANT to send them to greazzer....I bought them off ebay rebuilt with monark nozzles supposedly but now that I know how good greazzer is....I want him to go over them..
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How much altitude is this happening at?
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-diesel is not just a fuel, its a way of life- '15 GLK250 Bluetec 118k - mine - (OC-123,800) '17 Metris(VITO!) - 37k - wifes (OC-41k) '09 Sprinter 3500 Winnebago View - 62k (OC - 67k) '13 ML350 Bluetec - 95k - dad's (OC-98k) '01 SL500 - 103k(km) - dad's (OC-110,000km) '16 E400 4matic Sedan - 148k - Brothers (OC-155k) |
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84 300D, 82 Volvo 244Gl Diesel Last edited by Diesel911; 05-01-2014 at 01:58 AM. |
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I think I would have the injectors tested before I went about adapting an ADA to the engine. I assume you've adjusted the valves as well.
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2004 F150 4.6L -My Daily 2007 Volvo XC70 -Wife's Daily 1998 Ford F150 -Rear ended 1989 J-spec 420SEL -passed onto its new keeper 1982 BMW 733i -fixed and traded for the 420SEL 2003 Volvo V70 5 Speed -scrapped 1997 E290 Turbo Diesel Wagon -traded for above 1992 BMW 525i -traded in 1990 Silver 300TE -hated the M103 1985 Grey 380SE Diesel Conversion, 2.47 rear end, ABS -Sold, really should have kept this one 1979 Silver 300D "The Silver Slug" -Sold |
#7
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I am at 4200ft.
Didn't think of using an octane booster...might try that.. Yep valves adjusted today, only had one intake that was tight..
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I can't remember, and I'm too lazy to ready through your other thread again, lol, but did you do a compression test on it?
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2004 F150 4.6L -My Daily 2007 Volvo XC70 -Wife's Daily 1998 Ford F150 -Rear ended 1989 J-spec 420SEL -passed onto its new keeper 1982 BMW 733i -fixed and traded for the 420SEL 2003 Volvo V70 5 Speed -scrapped 1997 E290 Turbo Diesel Wagon -traded for above 1992 BMW 525i -traded in 1990 Silver 300TE -hated the M103 1985 Grey 380SE Diesel Conversion, 2.47 rear end, ABS -Sold, really should have kept this one 1979 Silver 300D "The Silver Slug" -Sold |
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lol no biggie....nope no compression test, its a strong engine...had no blow by before it sat...now just a tiny amount....had no smoke out the tail before it sat either.... I am wondering if it was possible the shop stole my injectors and put in a set of crappy ones and that is why I have the smoke...since they did steal a few hard lines and ll the clamps... I know this isn't to well looked upon but I may just see if I can switch over the injectors in the 78 and use the old heat sheds...they are bosch rebuilt...but i have no smoke out of that tailpipe..
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#10
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It would be a good test, but I would order a couple sets of heat shields. There's no point in doing the test if your loosing compression past a bad heat shield. It could give false results.
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2004 F150 4.6L -My Daily 2007 Volvo XC70 -Wife's Daily 1998 Ford F150 -Rear ended 1989 J-spec 420SEL -passed onto its new keeper 1982 BMW 733i -fixed and traded for the 420SEL 2003 Volvo V70 5 Speed -scrapped 1997 E290 Turbo Diesel Wagon -traded for above 1992 BMW 525i -traded in 1990 Silver 300TE -hated the M103 1985 Grey 380SE Diesel Conversion, 2.47 rear end, ABS -Sold, really should have kept this one 1979 Silver 300D "The Silver Slug" -Sold |
#11
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Well Mercedes did specify different M pumps for operation at altitudes above 2000m => chap 07-200 in FSM
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits! |
#12
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As you surely know, the OM617 had MW or M/RSF with mechanical governor. |
#13
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This thread, put together by one of our former forum members, may help. It presents the key adjustments to the different injection pumps.
Injection Pump fuel adjustment for the MW and M pumps, engine tuning and maintenance - Mercedes Forum - Mercedes Benz Enthusiast Forums
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1968 220D, w115, /8, OM615, Automatic transmission. My 1987 300TD wagon was sold and my 2003 W210 E320 wagon was totaled (sheds tear). |
#14
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I was only making the unhelpful comment that Mercedes did provide different M pumps for higher altitude - though as you rightly point out not for the OM617 - there's nothing much the OP can do with that information I guess other than go to sleep safe in the knowledge that Mercedes did think about it: And perhaps he ought to get an ADA sorted out!
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1992 W201 190E 1.8 171,000 km - Daily driver 1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone 1965 Land Rover Series 2a Station Wagon CIS recovery therapy! 1961 Volvo PV544 Bare metal rat rod-ish thing I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior Don't leave that there - I'll take it to bits! |
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