Tom Sharpe wrote: > >My ProFlow fires 4 sets of 2 injectors 1-8, 4-3, 6-5, 7-2. foue >circuits/timers/drivers, one O2 sensor. Tom > In reading the archives, I thought the Pro-Flo used a '747 ECM, which only has two drivers. Maybe a '749 is used, with 4 drivers? I've tried to search the archive's, but to no avail... BobR. --