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  #31  
Old 01-05-2006, 08:14 PM
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Hrm, interesting. Maybe the altitude these are taken at makes a big difference? Here in Texas it's pretty low...

I also noticed that one seemed to shift early on one of the shifts, around 3700rpm or so.
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'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

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  #32  
Old 01-05-2006, 08:14 PM
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Quote:
Originally Posted by DslBnz
I have a video of Turbodiesel's (now Plantman's) 300sdl running to 60 mph, if you'd like.

Here is an example of the average SDL in good tune:



You will see the acceleration to 55 mph matches up well. As does the 12.5 seconds, if you have a counter.
That run is a bit slow for an SDL. Notice the 1-2 occurs at 3700 rpm, thereby hurting the ET severely. The 2-3 seems to occur at the horsepower peak of 4600 rpm.
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  #33  
Old 01-05-2006, 10:30 PM
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Quote:
Originally Posted by Brian Carlton
That run is a bit slow for an SDL. Notice the 1-2 occurs at 3700 rpm, thereby hurting the ET severely. The 2-3 seems to occur at the horsepower peak of 4600 rpm.
I just noticed that. Hmmm...

Also, it appeared 0-30 started a bit fast, eh? Looks like a rolling start, I'd say.

But, the car was still at WOT, and shifting at 4600 vs 4800 rpm shouldn't account for much difference in performance.

The only videos I have of SDL's are my own and that one. No one else seems to have the proper equipment to capture and post their own digital video clips for older Merc diesels.

Here's an '87 300D with a disconnected KD solenoid switch that I had to "manually" shift.



Scoots pretty well, but I will admit to a slight favorable grade.
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Last edited by DslBnz; 01-05-2006 at 10:46 PM.
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  #34  
Old 01-05-2006, 10:40 PM
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My kickdown switch does not work either (two free ones from the boneyards were broken too ), so it stays in 2 until it shifts then I move it back to 3.

Perhaps I'll invest in a cheap digicam that can record video.

I haven't driven Karl in three weeks now thanks to a vacuum pump that is going bad
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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.
[/IMG]
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