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PeachParts Mercedes-Benz Forum (http://www.peachparts.com/shopforum/)
-   Diesel Discussion (http://www.peachparts.com/shopforum/diesel-discussion/)
-   -   1983 Mercedes benz 300d need a bad tune up. (http://www.peachparts.com/shopforum/diesel-discussion/217110-1983-mercedes-benz-300d-need-bad-tune-up.html)

toomany MBZ 03-24-2008 05:14 AM
1 Attachment(s)
Quote:
Originally Posted by kbenjamin0106 (Post 1801127)
these turbos on the 300d, are they adjustable and also is there a blow off valve on the 300d ?
They have a switchover valve, (overboost protection) which will limit the amount of boost by opening the waste gate. I don't know the pressure, on four of the ones I've owned, it has been bypassed.
The pic is of the SD, it's hooked up, that light colored, new, vac line comes from the manifold to the valve, then to the ALDA.

ForcedInduction 03-24-2008 05:43 AM
Quote:
Originally Posted by toomany MBZ (Post 1802168)
They have a switchover valve, (overboost protection) which will limit the amount of boost by opening the waste gate. I don't know the pressure, on four of the ones I've owned, it has been bypassed.
Incorrect. It limits fuel by venting the boost signal to the ALDA, no boost enrichment.

toomany MBZ 03-24-2008 05:49 AM
Quote:
Originally Posted by ForcedInduction (Post 1802169)
Incorrect. It limits fuel by venting the boost signal to the ALDA, no boost enrichment.
Ah, thanks for clearing that up.

t walgamuth 03-24-2008 08:04 AM
The steering can be adjusted to take out play.

Its not too hard

Loosten the locking nut and turn the screw anticlockwise with the steering wheel dead straight.....turn til the steerig begins to bind up then back off til its free again and lock it down.

Tom W


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