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Old 07-17-2007, 02:18 PM
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250 Coupe 250 Coupe is offline
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Join Date: Mar 2004
Location: Des Moines, WA
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Quote:
Originally Posted by Mike D View Post
Pinging is probably caused by your timing. The timing should be 4 degrees ATDC not BTDC with the retard connected.

Timing will also cause it to run hot.

Check your manual, there may be a listing for max advance at a specific RPM. Something like 38 degrees at 3800 RPM (example only, not real numbers!).

Setting it this way gets you around whether or not the vacuum hose needs disconnecting and poor idle issues.

Michael
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Usta haves '69 250/8, '76 280C, 1971 250C 114.023, 1976 450SEL 116.033
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