Quote Originally Posted by steveo View Post
i'll play the devil's advocate. just run speed density like you're doing. with a proper tune developed with the tools that are available for that engine these days it'll be every bit as good as running a maf. do you really want to trust a hot wire maf sensor that's 25+ years old anyway? those things can be pretty sketchy when they get that old.
true but it takes some time to set SD propperly (only with WB and tons of logging) for mileage and compensate for lack of accel enrichment in thse PCM's. as You said in one of my threads SD mode is only backup for MAF mode.