Posted May 25, 200916 yr I have heard a ho will not work on a so is this true? At the sametime a so will work on a ho right?
May 25, 200916 yr Owner VP44 pumps... Yes this is true... a SO VP44 pump on HO engine is fine. But you CANNOT put a HO VP44 pump on a SO engine.
June 3, 200916 yr I wonder why this is that the SO pump is compatible with the HO stuff, but the HO isn't compatible with the SO?
June 3, 200916 yr Owner Best I can say is the timing and fueling software... Something about that... :confused: I don't think there is any phyiscal differences...
I have heard a ho will not work on a so is this true? At the sametime a so will work on a ho right?