Mass Air added, hesitation off the line
Reply #40 –
You make an excellent point regarding a car with overdrive. The SBF 5.0 is no torque monster in stock form. Typical modifications often shift both HP and torque higher up in the RPM range. Insufficient gearing can cause hunting between gears even at the hint of a grade or hill.
Ford did not seem to understand this back in the 80's & 90's or else they were trying to squeeze the last bit of MPG out of the fleet to meet government standards. I owned a 95 F150 5.0 4x4 EFI that was an absolute pig in OD with the stock (3.34 or close) rear end ratio. It would hunt between overdrive and third gear if the wind shifted. The truck needed 3.73's or 4.11's to drive properly. The fuel mileage was bad and on par with my 8.1L/Allison BBC in my 2500HD.