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#1
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Top-Mounting A/C Compressor On OM617 Turbo Engine Like A Naturally Asprirated Engine
I'm planning out my fantasy OM617 turbo diesel conversion on a W111 230S that I don't own and can't find yet. I can dream. Installing the engine requires relocating the oil filter housing because the brake booster and shift linkage are in the way.
I want to relocate the brake booster to the front of the engine on the power steering pump bracket as shown. The car will not have power steering, which is fine with me, but another consequence is the air conditioning compressor will not fit in the stock location anymore. The attached pictures are not of my car, but show what I where I want to put the oil filter housing. Therefore, I'd like to mount the compressor on top like on a naturally-aspirated 300D. It will also work better with the original air condtioning setup the W111 has. I'm wondering how feasible this is. It looks like the compressor might be able to be relocated simply by adding a compressor bracket from a naturally aspirated 300D and then using the thermostat housing and hoses that go to the engine so everything clears. I happened to find a picture of an OM617 turbo engine with a top-mounted compressor, but don't know if it was an easy installation or required a lot of modification. If anyone here has relocated their compressor up top on their OM617 turbo, I'd be interested in hearing about it.
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Stop paying for animal enslavement, cruelty, and slaughter. Save your health and the planet. Go vegan! I did 18 years ago. https://challenge22.com/ DON'T MESS WITH MY MERCEDES! 1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C 1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles |
#2
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#3
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Here is what I came up with for my swap:
I had to space the power steering pump away from the block about 3 inches. Also I got rid of that crappy bulky factory oil filter housing and ran a remote oil filter setup with a modern oil filter. Works like a charm and is WAY more low profile than the bulky factory housing. I can get more pictures if you would like. |
#4
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I'd imagine any of the A/C brackets from an OM615-616 would be the same. More than likely one from a M110 W114 would also work.
I don't know if I have one from a M110 but I do have a couple of the adapter plates to use a Sanden compressor instead of the York "thumper".
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“Whatever story you're telling, it will be more interesting if, at the end you add, "and then everything burst into flames.” ― Brian P. Cleary, You Oughta Know By Now |
#5
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Just a side note. Not all NA om617 used the top mount. My 79 didn't. I believe it was only the 78 and earlier that did
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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 |
#6
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Wow, that's the first time I've seen one mounted like that. Thanks for sharing. In my case it will be best to have it on the right (passenger) side of the engine.
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Okay. Hopefully one of those will bolt right up with the proper thermostat housing.
__________________
Stop paying for animal enslavement, cruelty, and slaughter. Save your health and the planet. Go vegan! I did 18 years ago. https://challenge22.com/ DON'T MESS WITH MY MERCEDES! 1967 W110 Universal Wagon, Euro, Turbo Diesel, Tail Fins, 4 Speed Manual Column Shift, A/C 1980 W116 300SD Turbo Diesel, DB479 Walnut Brown, Sunroof, Highly Optioned, 350,000+ Miles |
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