Originally Posted by Relic1
I'm far from an expert on GSR intake manifolds, but I thought that OBD1 and OBD2 butterfly valves work the same...
IE, the butterfly solinoid is vacuum operated but it uses an electric valve to control it.
does it?
if thats the case Ill have to get a p72 ecu since im converting to obd1
anybody datail this a little bit?
I'm about to buy the ecu and i need to be sure