It sounds crazy to want to remove a turbo but my turbo went out on me and I never wanted a turbo'ed Mercedes diesel I always wanted a NON turbo diesel for mileage and simplicity... I was wondering what is needed to do the job right... If I can just plug the oil lines throw on the old non turbo exhaust manifolds and swap out the intake, adjust the valves/timing if that's all or will plugging of the sender line cause damage etc.

Sonds to me like you could just do it like that. I may be wrong, though...

__________________
"Senior Luna, your sense of humor is still loco... but we love it, anyway." -rickymay ____ "Your sense of humor is still loco... " -MBeige ____ "Señor Luna, your sense of humor is quite järjetön" -Delibes

1982 300SD -- 211k, Texas car, tranny issues ____ 1979 240D 4-speed 234k -- turbo and tuned IP, third world taxi hot rod

2 Samuel 12:13: "David said to Nathan, “I have sinned against the Lord.” And Nathan said to David, “The Lord also has put away your sin; you shall not die."

The turbo engined 617 does get better fuel milage than the non turbo models. I have to assume it is just more efficient. A junkyard replacement turbo should be cheap enough.

Anyways the cheapest way to do away it with would be to remove the impelors from the turbo housing. Use a suitable bolt and nut to seal the turbos common shaft hole. That if nothing else should be the cheapest way.

The cheapest way is to fix it the correct way. When you lose 50% of your power, you'll want that turbo back in a hurry.

__________________
'83 300D, 126K miles.

The turbo version gets significantly better mileage than the non turbo. My 79 averaged around 23mpg US while my current turbo does 28-30...

__________________
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

What do you mean by 'went out on me'? Can you describe the symptoms.

__________________
1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13

Its leaking oil out the shaft housing, and has about 1/8 to a quarter inch play and has tons of oil in the intake. Thanks for the responses...

I was told with the turbo I was loosing mileage im ok with the lack of power its a diesel commuter "Well was" but I was under the impression they got worse mileage.... Also does anyone know of a place or have a diagram or picture of the vacuum system on these...

Turbo from a pick and pull is your answer.

__________________
1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13

If the car can still keep up with traffic, your turbo is producing boost.

I can assure you that driving an S-Class with no turbo would be like trying to climb a 20 percent grade on a riding mower, towing 1000 lbs behind you.

Without a turbo that car cannot get out of its own way, away from a stoplight. It would not be livable.

__________________


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

Thank you all who responded I don't like the idea of loosing mileage and total efficiency so Pick-N-Pull it is...

Check for bearing play before removing. Chances are very good the car you are removing it from was not scrapped because of a bad turbo. With a little luck you may be able to check a couple of them out first at the yard.

Don't the Turbo 617s have lower compression pistons than the non turbo cars? So without the turbo you'd be below the 90HP or whatever the 617NA made. An 80HP W126 sounds like a distinct lack of fun.

I've got a turbo on the shelf from a W116 300SD, if the experts can confirm it fits your car I'd sell it to you cheap. My 123 turbo has a good turbo on it, so its just sitting on the shelf.

__________________
68 280SL - 70 280SL - 70 300SEL 3.5 - 72 350SL - 72 280SEL 4.5 - 72 220 - 72 220D - 73 450SL - 84 230GE - 87 200TD - 90 190E 2.0 - 03 G500

Nissan GTR - Nissan Skyline GTS25T - Toyota GTFour - Rover Mini - Toyota Land Cruiser HJ60 - Cadillac Eldorado - BMW E30 - BMW 135i

I don't think the turbo motors have much if any difference in compression ratio.

as to the OP question, the injectors would need to be re popped to lower pressure, as the NA uses 115bar, and the T uses 135bar, the rear gear ratio would need to be changed, or the car would barely move on the highway, and THAT is the reason you'd lower the economy.

__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!

You are right, turbo is 21.5:1, NA is 22:1. Probably wouldn't notice that.

Edit, never-mind other sources say they are both 22. Either way, its too close to worry about like you said.

__________________
68 280SL - 70 280SL - 70 300SEL 3.5 - 72 350SL - 72 280SEL 4.5 - 72 220 - 72 220D - 73 450SL - 84 230GE - 87 200TD - 90 190E 2.0 - 03 G500

Nissan GTR - Nissan Skyline GTS25T - Toyota GTFour - Rover Mini - Toyota Land Cruiser HJ60 - Cadillac Eldorado - BMW E30 - BMW 135i

67hp , for the N/A

couldnt you just buy a turbo rebuild kit ... and then it would be brand new .....

__________________
current fleet
Ford f350 dully 7.3L 1990 . ats turbo , zf5
Mazda 4x4 b2600 with 617 20-26 mpg
Past fleet
1983 240D w123 232k 25-30 MPG
1984 Ford f250,1979 ford 150 300-6 (sold@ 251K )
81 300D, 79 240D , 2x 76 300D ,74 240D , 2x 89 grand prix , 85 grand fury , and several other fords

Custom machine shop work ..