would a version 9 motor fit into my 98 v5 wrx! what would be different! and what would have to be swaped over! has any one done it!
hijacka,
Jun 12, 7:46pm
Why bother! Money would be better spent on a high hp build than that option. V9 run twin scroll turbo so the headers uppipe and downpipe is different aswell as the sump. the V9 if sti would have AVS heads and the inlet manifolds are different and v9 use coil pack on plug instead of wasted spark . also the V9 run top feed injectors and v5 sidefeed. don't give it any more thought unless you are getting it dirt cheap and plan on running a g4 link ecu similar that a use map sensor rather than AFM so the only thing you have to rig on the v9 intake manifold would be TPS using your v5 loom running wasted spark.
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