Originally Posted by Rhinodart
Anything over a 10 speed is because the truck has no torque... tonguue

We had one truck we serviced regularly that was a 998 cid Mack V8 with a 15 speed transmission in it. I would bet that truck could top 120 MPH.

"Follow me the wise man said, but he walked behind"


'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.