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Old 09-29-2018, 04:40 PM   #1
Bobbed72
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Join Date: Apr 2017
Location: Hillsboro, OR
Posts: 80
Motor goes from lean to rich at idle.

Have a carbed 5.3 with LS1 cam, Brawler carb, edelbrock manifold. Put a wideband AFR on it this weekend and noticed my fuel ratio goes from 14.5 to 11-12 after the motor runs for a bit. Any input?

Thanks
Jay
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