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afc corrections dont match injector size...

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BIRDCLAWTSi

15+ Year Contributor
541
3
Apr 13, 2009
Danbury, Connecticut
I am having a bit of a problem with my afc corrections. i can ballpark my trims to within 5-10% of 100%. The thing is, i bought used 550's from a guy in the classifieds, and im not so sure they are 550's... The reason i am saying this is because my low corrections are in the high 20's to mid 30's, that seems way too high for a 1g with a 2g maf and 550's... Doesnt it? the injectors look like FIC or siemens and the only numbers i can find are 3109 on the injector. has anyone else had to increase fuel so much?
 
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