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The stock mixture setting is purposely on the lean side to comply with passing smog. The sweet spot for mine is more on the rich side. I also adjust the mixture seasonally as it is kept about 1/12 of a turn from rich oscillation when cold. This phenomenon is enhanced with minimized CIS components. My engine has had every component removed that is not essential for operation.
Yes CW = rich and CCW = lean
It is best to start and stop the adjustments going CW as it relieves possible bind in the mechanism, then blip the throttle and note the response.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
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