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Old 05-29-2020, 11:07 PM
pmd400 pmd400 is offline
Senior Chief
 
Join Date: Sep 2010
Location: australia
Posts: 268
Default Qjet rich after wot

I took the firebird out today to tune the carb. I recently installed a 17056262 qjet. AFR at cruise is about 15.5:1. WOT is about 13.5:1. After WOT the cruise AFR goes to 11:1 for a few minutes before it leans back out to over 15:1. What could cause this?