Forum Discussion
blt2ski
Apr 25, 2016Moderator
Th IDI7.3 had 3 power options, assuming that version, 135, 155, 175. The T444E had 4 or 5 versions, that went from 160'sh up to 225/625. The DT466, also had a version or two in the upper 160-200 range, along with some that were close to 300hp with over 1000 ft lbs of torque. These all depending upon the what the truck was originally designed to do. Be a city hauler box/van or flatbed, to an open highway hauler. The city rig had lower HP versions, the hwy rig had taller gears and more HP. GCW was based on the HP, ie less, you had no towing ability, to higher, where you would have towing ability. Even then, it depended upon the hwy vs city driving application of the truck.
Even pickups back in the day had motors for those that just drove the pickup around, ie the 292/300 I6's with 100-125HP in 25 and 35 series trucks. Or one could get BB V8's with maybe 200-225hp for towing or better performance.
I've gone down the road upwards of 40K gcw with my 175 IDI 7.3. It is not too bad up to around 35-40 mph, but above that, it does not have the hp to move the load comfortably. Up to 25K is ok to around 55. 60 needs to be below 20K total.
Marty
Even pickups back in the day had motors for those that just drove the pickup around, ie the 292/300 I6's with 100-125HP in 25 and 35 series trucks. Or one could get BB V8's with maybe 200-225hp for towing or better performance.
I've gone down the road upwards of 40K gcw with my 175 IDI 7.3. It is not too bad up to around 35-40 mph, but above that, it does not have the hp to move the load comfortably. Up to 25K is ok to around 55. 60 needs to be below 20K total.
Marty
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