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#1
10-22-2006, 10:59 AM
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Engine mounts, gas vs diesel
Are the mounting locations on the 126 chassis different on gas vs the diesel cars? I am wondering if a 617 will bolt into a 420 chassis?
The effort involved will be bad enough. If I have to make special mounts I wont even consider doing this. 
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#2
10-22-2006, 11:04 AM
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Somebody has a project brewing.............
__________________
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
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#3
10-22-2006, 12:15 PM
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Quote:
I can't seem to find a decent 300SD and there appears to be no resale value of a clean 420SEL so what the heck... I need to check and see how much heavier the SEL is than a SD. It may be a slug with the taller diff ratio and added weight. Just thinking at this stage.
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#4
10-22-2006, 12:22 PM
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Clue me in, why are the 420's so worthless?
 I know the 380 has a better engine and the 560 is the muscle car....
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#5
10-22-2006, 12:28 PM
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You may have a problem doing that swap if you live where smog testing is required.
__________________
DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012 
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#6
10-22-2006, 12:28 PM
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don't forget about glow plug circuits,vacuum...
Whiskeydan,
The bodies are the same - you can probably just replace the engine mounts with proper diesel mounts and get away with it...BUT, you still have to set up the glow plug relays, vacuum controls and I'd make it a full engine/trans swap. Good Luck - curious to see how it develops. John
__________________
 John Hughes, was in Landstuhl, Germany but currently in San Antonio, TX 1978 280CE Astral Silver now 59,xxx miles and counting  "Silber-Kugel"1986 300E Black Pearl Metallic 143,xxx miles 5-spd daily driver w/ blk leather "Schwarz-Schönheit" 1989 190E 2.6 (euro) 5-spd Desert Taupe 112,xxx kms Had to leave behind in Germany!!! "Helga" 1983 300D Pastel Beige now 312,xxx + miles SOLD OBK#24
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#7
10-22-2006, 01:34 PM
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I realize the swap will be a major undertaking. Why would I consider this???
1) I have a clean 420SEL that has hi miles, transmission issues, tight suspension, nice interior, is the color combo I want... 2) I've tried to sell the SEL for sometime now. No takers, very few interested. Its taking up space. 3) I have a SD donor/parts car that is beyond restoration (for me). I would think most of the needed parts for the conversion are here. 4) The SEL has the axle ratio I desire in a 617 powered 126. 5) I'm craving a 617 powered 126 and I have not found anything for sale that doesn't need critical attention so, there would be work involved anyway. 6) I've done stranger things... I am aware the vacuum system, heater hose routing, thottle linkage, exhaust, cooling system etc...would all require some engineering. What I am not aware of is the length of driveshaft difference, eng/trans mount locations. I don't want to get into fabricating mounts. It would be something I would drive as I would think it would have no resale value to anyone other than a MB diesel geek like myself. There would be no issue with state inspections where I live. I've checked. The recipient: http://www.peachparts.com/shopforum/showthread.php?t=161121&highlight=420sel
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#8
10-22-2006, 01:55 PM
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You'll probably want to swap the rear end. If you keep the one in the 420, it'll really be a slug but you'll have a nice low rpm's at highway speeds.
__________________
DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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#9
10-22-2006, 09:36 PM
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Quote:
Couldn't be any slower than the 1.6L na VW caddy I'm driving. 0-60 in 23 seconds  but at close to 50 mpg I'm in no hurry.
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#10
10-22-2006, 10:09 PM
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I don't think there's much out there that's slower than the caddy. I guess you'll be fine.
__________________
DJ 84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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#11
10-22-2006, 11:24 PM
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Heck Dan, wished you lived closer. We both have mutant projects waiting in the wings, and misery does love company...........
__________________
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
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#12
10-23-2006, 01:23 AM
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Quote:
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