This may be common information or a repost , I dunno, but I figured some of you ppl doing 4.3 swaps could use this site....http://diy-efi.org/gmecm/
it has some info on how the ecms and things work, also flow rates for injectors on tbi units an such...Dave
it has some info on how the ecms and things work, also flow rates for injectors on tbi units an such...Dave