I recently installed a 3.4 out of a 96 sillhouette into a 95 gp. car runs great using stock ecm (3.1). The problem is that the egr valve is different, the 96 van engine uses a digital egr while the 95 gp used the old three solenoid egr valve, the mounting pad on the manifold is different and i believe the 3.4 has larger intake ports so i cant swap manifolds. does anyone know how i can make this work?
by the way , 3.4 is way torquier than old 3.1.
by the way , 3.4 is way torquier than old 3.1.
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