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Airflow Performance Injector Matching

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jim(at)CombsFive.Com
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Posted: Fri Jun 19, 2009 4:19 am Post subject: Airflow Performance Injector Matching

I have an IO-540-C4B5 engine with Airflow Performance injectors.I have followed their process for matching the fuel flow.Attached are the numbers before and after.Before:  Cylinder #2 was leaning first (12.8 Gal / Hr), Cylinders #1 and #4 were leaning last (12.2 Gal / Hr).Airflow looked a the data and recommended changing the #2 cylinder from 0.028 to 0.0285 and Cylinders #1 and #4 from 0.028 to 0.027.After:  The cylinders are pretty much grouped at 12.35 - 12.15 Gal / Hr range.Cost was $25 per cylinder for inserts.  (My cost was about $85 with shipping)  Jim CombsN312F - Flying (75 hours)

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