Speed didn't increase with downshift
My RV on 2010 Ford E350 V10 chassis has 30K miles. Every time I downshifted to 3rd to get the speed up on an incline, the rpm would shoot up but the speed hardly climbed with it. I would just take i...
Forum Discussion
locster wrote:
The difference is when I manually went into 3rd, the speed didn't increase as much as when the tranny automatically downshifted. I think I'll just leave it to the computer to do the shifting from now on and drive with a heavier foot on the gas when needed.
Sounds like you may be used to smaller motors with a less-flat torque-curve. You did not get more power simply by downshifting because the V10 has a such a flat toque-curve. But, when you downshift, you can make more power with more throttle, since peak HP is around 4200 RPM.
Just sit back, and let transmission do the work:C
