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#1
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83 to 85 Differences
I ran across a 83 300D with a blown om617. The turbo and injection pump are removed but the rest is there. Thinking about getting it for a parts car for my 85. What all changed from 83 to 85? Are the transmissions the same?
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1985 Mercedes 300D bought for $400 work in progress. Video Playlist: https://www.youtube.com/playlist?list=PLeYmvdiw3Xm87mFck3FjQ12ZoTSFXZ0Rr |
#2
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Transmission for the 1985 year is different, but will bolt up. The torque converter and I believe flex plate are also different.
The 1985 has the 2.88 rear end as well which is unique to that year If the 1985 is a California model then the turbo, exhaust and starter are different 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 |
#3
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I believe only the '85 California models got the 722.4xx transmissions. The '85 federal models still have the 722.3xx (see the chart below, from the link that follows).
1985 FEDERAL W/S/C123 (300D/TD/CD) = 722.315 transmission 1985 FEDERAL W126 (300SD) = 722.303 transmission 1985 CALIFORNIA W/S/C123 (300D/TD/CD) & W126 (300SD) = 722.416 transmission (300SD had a different tailcone for electronic speedometer - 100% interchangable with mechanical version) 1985 diesel Mercedes upgrades - Mercedes-Benz Forum From the OP's videos, it appears his car is federal spec., so the transmission should be a 722.3.
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Christopher '06 Mercedes E350 station wagon (silver/black) '85 Mercedes 300D (black pearl/palomino) '85 Mercedes 300SD (smoke silver/burgundy) '79 Cadillac Sedan DeVille '05 Toyota Camry (because always running is nice) '85 Mercedes 300D sold back to orig. owner 8-1-06 '84 Volvo 264GL Diesel, owned 2000-2013 |
#4
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My bad, your right. Transmission is the same, torque converter is different, and the vac system that controls the 85 transmission is different (it has the vacuum transducer, also known around here as the blue flying saucer)
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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 |
#5
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Quote:
__________________
1985 Mercedes 300D bought for $400 work in progress. Video Playlist: https://www.youtube.com/playlist?list=PLeYmvdiw3Xm87mFck3FjQ12ZoTSFXZ0Rr |
#6
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Mine is currently hooked up like a pre 85 since my BUFO is leaking. Hoping to get a replacement soon.
__________________
1985 Mercedes 300D bought for $400 work in progress. Video Playlist: https://www.youtube.com/playlist?list=PLeYmvdiw3Xm87mFck3FjQ12ZoTSFXZ0Rr |
#7
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So all the door lock and climate control actuators are the same?
__________________
1985 Mercedes 300D bought for $400 work in progress. Video Playlist: https://www.youtube.com/playlist?list=PLeYmvdiw3Xm87mFck3FjQ12ZoTSFXZ0Rr |
#8
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drive shaft and cv shafts should be the same correct?
__________________
1985 Mercedes 300D bought for $400 work in progress. Video Playlist: https://www.youtube.com/playlist?list=PLeYmvdiw3Xm87mFck3FjQ12ZoTSFXZ0Rr |
#9
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everything you mentioned should be the same as far as I know.
__________________
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 |
#10
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thanks
__________________
1985 Mercedes 300D bought for $400 work in progress. Video Playlist: https://www.youtube.com/playlist?list=PLeYmvdiw3Xm87mFck3FjQ12ZoTSFXZ0Rr |
#11
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Quote:
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked |
#12
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Air intake system is slightly different on the 1985. They fixed the problem with the donuts vibrating out of the air filter container.
The differential is different and the speedometer. Pretty much everything else is the same. I swapped a 1985 odometer and diff into my 1984. Dkr. |
#13
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BUFO
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#14
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Ah ok, I usually see it spelled out. 83's do not have a blue flying saucer, only 85 and some 84 model years. 85's tach is also very different than 83.
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85 300D turbo pristine w 157k when purchased 161K now 83 300 D turbo 297K runs great. SOLD! 83 240D 4 spd manual- parted out then junked |
#15
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No major swap issues, since I installed a ~1982 engine into my 1985 CA 300D. It has the later 722.4xx transmission, which I understand has slightly higher gearing, though that might be the rear-end. I even kept the frame-mounted air cleaner (cut outlet tube shorter to match turbo inlet). On my 1984 300D, I went the other way, installing a 1985 CA air cleaner (no more shaking) and the blue saucer buffer amp for the tranny vacuum signal.
A 1983 would have the "tach amp" for the front crank pickup, but you don't need since 1984+ uses a pickup on the bell-housing which is processed in either the EGR computer or in the dash tach gage (some say it just routes thru the EGR in 1985). The EGR controls are different. The IP doesn't have the rack position sensor like 1984+, which makes getting at the bolts easier (OP's IP is gone). The valve cover EGR switches are a complicated vacuum mess in 1983 (I recall) vs a little micro-switch in 1985. All my EGR stuff is gone w/ Rollguy's block-off plates. I would feel bad except it probably wasn't working and impossible to test and maintain, plus I burn Diesel HPR (bio-based) so don't add net CO2, currently claimed the main threat to life on earth, though this winter may reset Al Gore's temperature plot.
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1984 & 1985 CA 300D's 1964 & 65 Mopar's - Valiant, Dart, Newport 1996 & 2002 Chrysler minivans |
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