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Old 09-14-2003, 08:41 AM
Chaosmosis Chaosmosis is offline
1973 450SL 117.982 107.04
Join Date: Feb 2003
Posts: 53
Unhappy Me Too!

73 450Sl 107044
Starts perfect then surges like yours does for about 90-120 seconds, then smoothes out perfectly, this is well before it gets up to operating temp, also if I put it in gear it smoothes out...
I verified air mix and idle RPM.. What is the secret???

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