Ok, thanks for the info.
I will try to get a read on the engine casting number that is on the Jasper remanufactured engine, as I doubt its a 1984 vintage unit. That might help me.
They will not be looking for casting numbers... just all the smog stuff on motor working properly.
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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