Rich in cylinders 1&2

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12-27-2016, 12:32 PM

Texasdoc

CC Member

Join Date: Feb 2012

Location: Keller, TX

Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq

Posts: 549

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Rich in cylinders 1&2

Any idea why this is happening?

I have been fighting this motor since building it a year ago. Performer RPM intake. Quick Fuel carb now but fought a holley EFI system for a year.

Why would cylinders 1&2 be rich while all the rest are normal/lean? They are on different sides of the intake plenum.

I can't tell if the picture is showing. Here is a link. https://www.dropbox.com/s/ta956l7f1oeoaok/Heads.jpg?dl=0

Last edited by Texasdoc; 02-18-2017 at 04:54 PM..

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