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  #16  
Old 06-24-2008, 06:44 PM
DieselClack's Avatar
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The 240D is really not that bad! It has pretty good acceleration for a car of this type and most complaints I've heard are from owners who have never looked at their fuel injectors for wear or pattern spray and pop comparison test. This will make a great deal of difference along with regular maintenance including valve adjustments!

I advanced my Injection timing by 3* and adjusted my ALDA for greater output to compensate for using Biodiesel and I can get to 55 much sooner than the 27 seconds I've heard about!
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  #17  
Old 06-24-2008, 10:26 PM
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Race you in my 83 240d stick
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1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won.

pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.
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  #18  
Old 06-24-2008, 10:34 PM
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Quote:
Originally Posted by JCSC2 View Post
They have lots of character and are great cars.
You guys will have to forgive me, as I don't have a MB anything, though always wanted a diesel MB; however, I do have a 3000lb+ truck with only 58hp, so I can relate with the acceleration factor. Slow to get up to speed, slows on the hills, headwinds are the devil's breath, passing is the sum of quick calculations, careful planning, and some luck (on 2 lane roads, anyway), yet I wouldn't give this up for something faster.
Why? Character is a lot of it. Fun factor. Great mpg. You have to think a bit when driving an under-powered vehicle. You have to DRIVE it, not just sit in it and push pedals. Sounds dramatic maybe, but I'll bet the guys that drive these cars and like them can understand where I'm coming from.


Not trying to offend anyone, just expressing my thoughts (hey, the wife doesn't wanna hear them!! )
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1991 GMC Sonoma Ext Cab w/Isuzu diesel (converted March Mar 2003) - sold
1994 S10 Ext Cab w/Isuzu diesel (converted Mar 2008)
1998 Toyota Sienna XLE
B6100HST Kubota CUT DIESEL

1994 S10 with Isuzu diesel and 5spd
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  #19  
Old 06-25-2008, 12:09 AM
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Quote:
Originally Posted by DieselClack View Post
The 240D is really not that bad! It has pretty good acceleration for a car of this type and most complaints I've heard are from owners who have never looked at their fuel injectors for wear or pattern spray and pop comparison test. This will make a great deal of difference along with regular maintenance including valve adjustments!

I advanced my Injection timing by 3* and adjusted my ALDA for greater output to compensate for using Biodiesel and I can get to 55 much sooner than the 27 seconds I've heard about!
Did the valve adjust about 1500 miles ago. Assuming I have some chain stretch after 2+ decades and 180K miles, what could I expect from advancing my injection timing 3 degrees, while running on normal diesel?

Happy Motoring, Mark
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  #20  
Old 06-25-2008, 01:09 AM
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Quote:
Originally Posted by Mark DiSilvestro View Post
Did the valve adjust about 1500 miles ago. Assuming I have some chain stretch after 2+ decades and 180K miles, what could I expect from advancing my injection timing 3 degrees, while running on normal diesel?

Happy Motoring, Mark
That's a good question. It would be a matter of trying it and finding out. I'm turning up my timing because of the longer combustion ratio of Biodiesel. It will make it run hotter at least and if it doesn't like it you will find out. Nothing is going to make up for timing chain stretch!

It could cut your fuel economy somewhat. I would have to believe that the timing is set for optimum performance since these were designed for running on diesel!
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  #21  
Old 06-25-2008, 01:28 AM
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Location: Sunnyvale, Texas (DFW)
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I saw 4 other W123's today. I don't usually see that many in a week.
So, I pull up next to an old orange-ish 240D expecting to exchange a knowing nod with its occupant. Well, there was about a 200 year old guy behind the wheel, and he was oblivious to everything around him. So the light turns green and off shoots his 240D. I noticed right away that it was an automatic. I was in the '85 wagon and he easily out-accelerated me on just a normal takeoff. So, obviously the auto-tranny 240D is perfectly acceptable in daily driving. Granted, this was no freeway on ramp, but those are easily managed.
Poor guy needed a hubcap too, just like poor China girl........
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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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  #22  
Old 06-25-2008, 01:42 AM
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Location: Northern Nevada
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I'd also have to agree that a decent running 240D auto isn't bad at all for a local and around town cruiser. They kind of get a undeserved rep. My wife drives hers as her regular commuter. She doesn't have to do the quick on ramp thing, and overall it's quite acceptable and a fun ride. I will admit that on a long trip I'd probably get a little tired of hearing that engine screamin', but thats what the 300 is for
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'75 W115 240D, wife's dd, 197K
........'75 W115 300D, my dd, 245K
.. .. ..........'82 W126 300SD, the 'someday' project
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  #23  
Old 06-25-2008, 02:33 AM
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gimme a low-tech 240D
 
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Location: central ky
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Quote:
Originally Posted by JHZR2 View Post
....... it was no different in acceleration than how I typically drive any of my other cars.
Remember me? I'm the wise guy who said you'd NOT wanna drive anything else listed in your signature after buying the 240D.

Part of what makes em *cult classics* with esoteric following all their own is 240D performance characteristics most closely match normal human driving habits and response to road conditions better than does any other vehicle made. It's like they've got soul of their own that communicates with the driver at levels no other car can match.

You spend coupla weeks in yer 240D daily driver and suddenly the Saab and BMW will appear to have no personality at all. Typically 240D owners think on their cars as being practically human. These are indeed legendary cult classic vehicles with apparently mystical properties. And everybody who's ever owned one will always cherish their experience with the 240D, no matter how many MB's they own in their lifetime.
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'79 240D 4-spd
'71 750cc Guzzi

previously owned:

'83 240D 4-spd
'77 280SEL 4-spd
'74 280/8
'72 250/8
'65 220Sb 4-spd
'63 220Sb 4-spd
'63 190c 4-spd
'61 220Sb 4-spd
'60 190b 4-spd
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  #24  
Old 06-25-2008, 09:54 AM
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Quote:
Originally Posted by DieselClack View Post
That's a good question. It would be a matter of trying it and finding out. I'm turning up my timing because of the longer combustion ratio of Biodiesel. It will make it run hotter at least and if it doesn't like it you will find out. Nothing is going to make up for timing chain stretch!

It could cut your fuel economy somewhat. I would have to believe that the timing is set for optimum performance since these were designed for running on diesel!
But who knowss how much the timing may be off from wear & tear, chain-stretch, or the PO messing around with the IP.

Well, I went out late last night and did a 'quick & dirty' adustment of the IP. Barely moved it - just as much as the steel injector lines would allow - maybe 1 or 2 degrees - and it may have slightly more power. Seemed to idle better and accelerate faster with the AC going, though it was cooler last night and the AC wasn't working so hard. And no alarming noises, unlike the BMW diesel I test drove many years ago that had way over-advanced IP timing.
But I also discovered my rear IP support bolt missing, so I'll have to add that to my 'fix the PO screw-ups' list!
Anyway, my brother's back, so 'Miss Diesel' is now blocked in until he decides to move his Toyota again.

Happy Motoring, Mark
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  #25  
Old 07-04-2008, 06:47 PM
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Location: Alexandria, Virginia
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Well, I rooted around in my Box-O-Bolts last week, and found a suitable metric 'KAMAX' bolt & washer to support the rear of my injection pump. Also had to fix the aux radiator fan (fuse was missing)
And despite having a relatvely peppy 5-speed 300TD, I find I've been somewhat spoiled by Miss Diesel, my gadget-laden, automatic 240D.
It was in the low 90s yesterday afternoon and my brother went out, so I took Miss Diesel out for some errands, and the converted AC is satisfactory so far. Not meat-locker cold but OK considering the PO's noisy 10 year-old rebuilt Delco compressor may be on borrowed time. Course the car is otherwise parked in the shade so the AC didn't have to overcome the effects of solar heating. Later, I'll stick a dial thermometer in a vent to record the actual temperature.
But for now, it's Slow but Cool!

Happy Motoring, Mark
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