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Old 07-15-2001, 04:07 PM
Posts: n/a
Hi Mike,
The spec for a 1975 115.951 US version is 10 degrees BTDC at idle(800rpm)without vacuum. As a matter of's the same for any version of a 115.951 engine.
Mercedes-Benz makes some of the best literature there is. One thought would be to get a TDM(technical data manual)for the year of your car. All it has is specs. The shop manual or CD is good for DYI stuff, but sometimes lacks the information on specs.
Randy D.
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