HI Curly,
Sorry to hear you are having more problems with "my" 300D. I don't
recall any turbo problems, but it sat for about a year while I figured
out what to do with it. The only way I ever checked to confirm things
were as they should be was to warm it up then do a 0-60 test looking for
around 6+ Seconds. (I may be wrong on the # of seconds as it's been a
while since I did that test.)
I was going to adjust the ALDA at one point but the professor said the
91 ALDA did not benefit from adjusting. Can't recall the specifics.
So the rear wheels aligned without trouble? I know you put a lot of
work into the rear suspension!
Stay safe!
Larry
On 3/6/2020 10:04 AM, Curley McLain via Mercedes wrote:
Checked over the vacuum system. did not find any problems. Blew
out the manifold fitting and line to overboost cutout. It is a
little better, but not where it should be. I don't have a vacuum
gauge here to check actual vacuum. When driving you can tell is is
getting some boost, but not where it should be.
What should be next? Turn up the alda?
The 87 300D will chirp the tires going from 1st to 2nd. THis one is
nowhere near that. With a missing cyl, it may never chirp the tires,
but all y'all have talked about how these are better than the 87. So
far, I like the 87/OM603 better.
Kaleb Striplin via Mercedes <mailto:mercedes@okiebenz.com>
March 4, 2020 at 7:29 AM
You probably have a vacuum leak somewhere. The turbo is vacuum
operated on these rather than pressure. Low vacuum equals no boost.
Sent from my iPhone
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