M104 surge

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M104 surge

04-21-2001, 11:40 PM

G-Man

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Join Date: Sep 1999

Location: SW Colorado USA

Posts: 296

My '95 G with the 3.2 M104 has a distinct on/off personality. Below 3500 rpm it feels soft, at exactly 3500 rpm it really takes off. It runs pretty high rpm on the highway. I have noticed that if the cruise is set just below 3500 it has trouble keeping speed, at 3500 or just above it has no problem. Is there some variable valve timing I am not aware of? How about a variable intake flap or something? Any possibilities? The transition is pronounced enough to convince me something is wrong.

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1995 G320
1984 280GE
1971 Unimog 416

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