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#1
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Bigger Turbo on a 300TD
I have my Unimog running on a OM617A 300 TD and boosted 15PSI . I was wondering if it is possable to upgrade the turbo on that motor? I have been told that a cummins turbo might fit?
Thanks for the help. |
#2
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Does you no good with the IP delivering the same amount of fuel.......
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#3
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There would be a lot of throttle lag too for rock crawling.
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#4
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I would (and have) upgrade to a VGT. Check out the diesel performace section and www.superturbodiesel.com
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver 1982 300SD - 232K miles - Wife's Daily Driver 1986 560SL - Wife's red speed machine |
#5
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Welcome to the forum, good to see another 'mogger here!
I can't imagine how the 617 fits in the 'mog... Either it's really leaning over or there's a big bulge in the left doghouse cover where the injection pump lives... I agree on the VGT. It'll help with the torque down low, though, as low as 1st is on that truck, I can't imagine any power problems especially since the 617 is already more powerfull than the M180. Are you running the stock tranny?
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-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250 Last edited by KarTek; 12-24-2008 at 05:44 PM. |
#6
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Your engine is not a 617A 300 TD. It's a 617-95(X). 300 is a model listed on different chassis. TD means touring diesel, ie station wagon. It does NOT mean turbo diesel in the mercedes world. You'll need more fuel to get any more power, period. Check out the performance section for non stock modifications to increase HP.
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#7
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You need to install an injection pump that can flow more fuel before considering a turbo that can flow more air. A bigger turbo without matching increase in fuel delivery would make your 'mog slower and perform worse.
I third the VNT turbo. A GT2256V from a Sprinter will make a world of difference in performance. The GT2359V from an E320 CDI will flow enough air for over 200hp. |
#8
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Quote:
The drivetrain is all stock 404. Can you explain more about the VGT? I just am looking for more power in the higher end. Low is definatly low enough, maybe just a little more punch at the upper gears. Do you think the tranny could handle 200hp? A Mog with 200HP would be pretty sweet... |
#9
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Quote:
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#10
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Mercedes diesels are listed by number following "OM" which denotes "oil motor" OM 617 comes in various versions- and those versions are denoted by three numbers. All 617's are called 617-9XX. 617-912 is a NA version, 617-95X is a turbo version. There are various sub-versions that are denoted by different numbers. The four cylinder version of the 61X is 616. It also has various versions. The germans are quite precise- myself not so- so i guessed. 617A 300-TD is not a mercedes engine designation- but the 300TD has a 617 in it. So does the Mog. You are a newbie that seems to be just starting to ask about the engine so I guessed you used incorrect nomenclature. Others here will post the facts and figures pdf's that will corroborate this.
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#11
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Quote:
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#12
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It the MB world, TD always means touring diesel, which is a wagon. Some people use DT for the sedan and TDT for the wagon, but if you do that, you will soon incur the wrath of Jimmy.
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1987 300TD 309, xxx 2.8.2014 10,000 mile OCI Be careful of the toes you step on today, as they may be connected to the ass you have to kiss tomorrow. anonymous “Be who you are and say what you feel, because those who mind don’t matter, and those who matter won’t mind.” Dr. Seuss Last edited by Bio300TDTdriver; 12-27-2008 at 06:15 PM. |
#13
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In the pre 1990's "D" means sedan diesel, "CD" means coupe diesel, "SD" means big body sedan diesel, "TD" means touring diesel- ie wagon, "GD" means G-wagon. Your engine came out of a "SD" if it was out of a 80-81 sedan, as the "SD" had a turbo (OM617-95X) from 78-85 in two different chassis (w116 and w126). Sedans in the smaller chassis (w123) did not get a turbo engine until 1982.
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#14
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Quote:
Commissioner Gordon will turn on the TDT spotlight should my intervention become necessary. {Chad, there's an idea}
__________________
Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#15
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There is a turbo on the engine I have in my Mog. It is small but it is there..Sounds like OM617-95X fits the bill. I was told it was out of a consulate car the took diplomates from DIA to where ever they needed to go in Denver.
Now back to a VGT. Is that something I could find used/rebuilt? Or would is it better to find a new one? Possable out of a Sprinter as suggested earlier. Any sources better than others Also, with the motor already turned up 15psi, what would I gain from adding VGT? I have an intercooler to add too that hopefully will help on the mileage. Thanks again for all your help. |
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