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Old 11-16-1999, 04:44 PM
keith & lisa
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what can i do to get mor horses from a 3.8 ltr v8 85 380se stock hp is around 150 kinda small for an 8 even though its 3.8 ltrs my 4cyl gets 147 at 2.5 ltrs im not looking for gobbs of power just somthing to eqaul out for the displacement
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Old 11-16-1999, 07:12 PM
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There really isn't an easy way to get more power from the US version 380. The compression ratio is the culprit...I think those were around 8:1. To get more efficiency you'd need at least 9:1 compression.
Randy D.

ASE Master Tech
Mercedes Tech 19 Years
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Old 11-16-1999, 11:02 PM
Robert W. Roe's Avatar
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Join Date: May 1999
Location: Lehigh Valley PA
Posts: 1,328
Check - on the newsgroup a 380SL owner named Lee Sharp mentioned modifying this engine. I believe he mentioned polishing intake ports, but I'm not sure. He does a lot of his own work, so I'm not sure whether it would be cost effective to pay to have it done.

Robert W. Roe
1984 300SD 166,230 miles

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