lean condition with boost leak?

no164ford

Registered User
I found 3 tiny pin holes in my custom built SC top, I know that boost leaks usually makes a car run rich under boost, but my car is running way lean now like 17.5+ AFR under 18lbs boost 4,000 rpms. I have to hold off till Monday so I can use the tig at work to fix the holes in my top. Could this be the reason my car started running lean? I did pressure test the top after I made it and it was fine but I think that the powder coat was sealing the holes and after it got hot the powdercoat gave out and now it leaks.
 
Have you checked for leaks before the blower? I've ran way lean with a few hoses accidentally disconnected.
 
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