The truck does still have the original ECM. I'm glad to hear that the EGR and O2 shouldn't be an issue. Thanks for steering me in the right direction. I should be getting the cables and parts I need...

Hey there! Thanks for adding me to the forum. I am fixing up a 93 Chevy k2500 with a 5.7 TBI. I am getting it pretty close to good but it hasn't run right since the PO swapped in a crate motor and...