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  #1  
Old 09-19-2009, 03:08 PM
Jeremy5848's Avatar
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Saturday Diesel Doings

Drove my '87 300D to Windsor Pick and Pull today. On the way, the car's odometer turned over 150000 miles (still a child!) so I pulled over and took a picture.





Windsor's European section had been badly picked and pulled; several rows were empty and there were no 124s at all. A few 123, 201, some older 126 models was all I saw, all of which have been there for weeks and have had much of the goodies taken. I found nothing at all and was back out in 15 minutes; the guy who had checked me in felt bad enough that he gave me a free admission card for "next time" (that was nice of him) and said they would be filling those empty rows in another week.

So I was unable to find the left c-pillar trim for my '87. Mine is in pretty bad shape with many of the clips broken off. I'll pay handsomely (well, reasonably) for one with a complete set of good clips. I don't care what color it is 'cause I can move my vinyl or paint it to match. Sixto tells me it has to be from an "early" 124, say 1986-89, because Mercedes changed the shape of the seat belt slot in the later models. (Yes, I'll post in the Parts section too.)





One interesting item at Windsor was a 1989 300TE in the "cars for sale" section. It was somewhat beat-up, with front-end damage repaired by Red Green's method and worn leather seats. The 3rd row seat was present. I suppose the engine worked or they wouldn't be selling it as a complete car. They had a $1399 sign on it and their phone number is 707-838-4646 or 707-837-7476 if anyone is interested.

Jeremy
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"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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Old 09-19-2009, 03:14 PM
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An 87 300D has an economy gauge? I thought only gassers had them because they're vacuum operated.
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84 300D Turbodiesel 190K with 4 speed manual sold in 03/2012
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Old 09-19-2009, 03:26 PM
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Quote:
Originally Posted by lietuviai View Post
An 87 300D has an economy gauge? I thought only gassers had them because they're vacuum operated.
Vacuum reversed is boost. A lot of diesel folks have inserted the gauge cluster complete with that gauge, performed a modification or two, and used them for turbo boost gauges in-dash.

There's no numeric scale but if memory serves me reliably (it'll be the first time) the movement range after the modification is something in the guesstimate neighborhood of 0-16 psi boost. If that's completely wrong then somebody correct it.
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~Michael S.~ -
1986 M-B 300SDL, retired due to rust and electrical problems. Donated engine to:
1987 M-B 300SDL, odo dead. New project.
1982 M-B 240D, odo stopped at 308,000
1982 M-B 300SD, 175,000
1989 Dodge Ramcharger, 87,000 - 4wd, 318
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Old 09-19-2009, 03:27 PM
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Quote:
Originally Posted by lietuviai View Post
An 87 300D has an economy gauge? I thought only gassers had them because they're vacuum operated.
Me thinks that someone hath made themselves a home-spun boost gauge...
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Old 09-19-2009, 03:31 PM
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Yeah, here's one of the boost gauge conversion threads... er, posts.

http://www.peachparts.com/shopforum/showpost.php?p=388911&postcount=27
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http://www.appstate.edu/~salleyms

"What could possibly go wrong?"

~Michael S.~ -
1986 M-B 300SDL, retired due to rust and electrical problems. Donated engine to:
1987 M-B 300SDL, odo dead. New project.
1982 M-B 240D, odo stopped at 308,000
1982 M-B 300SD, 175,000
1989 Dodge Ramcharger, 87,000 - 4wd, 318
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  #6  
Old 09-19-2009, 03:44 PM
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Quote:
Originally Posted by Jeremy5848 View Post


Geez, it's barely 57 degrees in my fridge......
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'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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  #7  
Old 09-19-2009, 04:32 PM
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Not a boost gauge!

Actually, I have a "real" boost gauge in the ashtray slot. The "economy" gauge you see in my cluster is plumbed into the vacuum line that goes to the transmission. As I put my foot more into the accelerator, the gauge moves towards the red zone, much as it does in a gasser.

As you know, Mercedes designed (I suppose the factory doesn't "jury-rig?") the VCV and blue flying saucer to simulate gasser intake manifold vacuum so they could use the same transmission control for gasser and diesel alike. Thus, the vacuum line to a 722.3 or 722.4 transmission (and maybe others?) looks like gasser intake manifold vacuum and you can use the same gauge.

The 'economy' gauge is unmodified; it was part of the 4-gauge section in a 1989 300E cluster. Since that car has "unleaded fuel required" written on its gauge face, I swapped the face from a 1984 300SE, which pre-dated the unleaded warning. No other modifications were required; the fuel, oil pressure, and coolant temp gauges are identical to their diesel counterparts.

As a bonus, the 1989 4-gauge section has a little red twist-in fuse that the 1987 version lacks. I don't know what it is supposed to protect but I sleep better knowing it's there.

I posted a thread when I did the installation:

Another diesel use for the gasser "Economy" gauge

So is it really useful? Well, I do notice it moving and I suppose it's a reminder to use as little right foot as possible, hence improving fuel economy a bit. Should the vacuum system fail, I'll have something to look at when my shifts suddenly (or gradually) become harsh. And it's fun to mess with peoples' minds when they see something unexpected.

Jeremy
__________________

"Buster" in the '95

Our all-biodiesel family
1995 E300D (W124) . .239,000 miles My car
1996 E300D (W210) . .313,000 miles Wife's car
Santa Rosa population 170,685 (2012)
Total. . . . . . . . . . . . 722,685
"Oh lord won't you buy me a Mercedes Benz."
-- Janis Joplin, October 1, 1970
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