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-   -   1976 240d smoking at high altitudes (http://www.peachparts.com/shopforum/diesel-discussion/103912-1976-240d-smoking-high-altitudes.html)

whunter 09-17-2004 10:32 PM
1976 240d smoking at high altitudes
 
:D Helping a friend of a friend with this post. :D

Quote:
Originally Posted by Steve
I am trying to help a friend prepare his 1976 240d for his winter trip from Michigan to Arizona. Last year he made the same trip with poor results due to 7,000 foot elevations. I was told later models have a altitude compensator. Can the 76 be retrofitted easily from later model? Will something off of a 123 300d fit?
Thanks

Brian Carlton 09-17-2004 11:23 PM
I just cringe when I think of a naturally aspirated 240D at 7,000 feet. The vehicle has barely enough power at sea level. At 7,000 it is losing another 20%, even if it is perfectly fueled.

whunter 09-18-2004 02:46 PM
Any thoughts
 
on this issue.
I hope to go see the car for hands on, after my surgery this week.

oldnavy 09-18-2004 04:03 PM
Quote:
Originally Posted by Brian Carlton
The vehicle has barely enough power at sea level.
I resent that discourteous remark. :mad: I am usually the first across the intersection when the light changes and I frequently am passing people on the roads. :p :D

psfred 09-18-2004 04:58 PM
If you have an altitude compensator, it will be a knurled knob on the top of the IP with a pointer and a set of numbers in ft altittude (or meters). Set for appropriate level.

Or just live with the smoke at altitude.

If you have a vacuum governor, you don't have an altitude compensator.

Peter

whunter 09-18-2004 05:11 PM
Glurk, ummm, perhaps I was not clear.
 
Can an altitude compensator be retro fitted?

psfred 09-18-2004 05:17 PM
only by replacing the pump with one having a mechnical governor, and I don't know if Benz ever used a mechanical governor on the 240s.

Peter

whunter 09-18-2004 06:00 PM
Thank you
 
for the information.

Brian Carlton 09-18-2004 08:51 PM
Quote:
Originally Posted by oldnavy
I am usually the first across the intersection when the light changes and I frequently am passing people on the roads. :p :D
Those people that you are passing are probably walking on the side of the road. :D

mb123mercedes 09-18-2004 09:03 PM
Quote:
Originally Posted by oldnavy
I resent that discourteous remark. :mad: I am usually the first across the intersection :p :D
Yes, and the left and right lane are turning lanes only. :rolleyes: :confused:

Louis. :D :cool:

coldwar 09-18-2004 09:46 PM
Check Owner's Manual
 
Don't know if this is any help but I have a '76 300D and it has the altitude compensator, and the way to adjust it is described right in the owner's manual. And the Manual actually covers both models- the 300D and the 240D.

Dave


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