# 1990 dodge d250 cummins

**URL:** <https://forums.speedlife.net/t/1990-dodge-d250-cummins/267820>\
**Category:** Builds\
**Created:** [October 7, 2013, 5:16pm UTC](https://forums.speedlife.net/t/1990-dodge-d250-cummins/267820 "2013-10-07T17:16:04Z")\
**Posts on this page:** 1\
**Showing post:** 55

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**Author:** ![toomanycamaros](https://avatars.discourse-cdn.com/v4/letter/t/7993a0/32.png) [@toomanycamaros](https://forums.speedlife.net/u/toomanycamaros)\
**Post date:** [October 18, 2013, 12:47pm UTC](https://forums.speedlife.net/t/1990-dodge-d250-cummins/267820/55 "2013-10-18T12:47:14Z")

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> [@Start practicing "duck and cover"](https://forums.speedlife.net/t/start-practicing-duck-and-cover/53560/90):
>
> will i gotta have you look at it and tell me what direction i should go its got a low tow range on the end of the trans for towing i guess it was a 4500 option or something, i wanna know exactly what it is and if its going to be an issue if i lift the truck a lil bit

It really depends on what you want to tow. I’m guessing a 1 car trailer that is maybe 8,000 pounds? If so then any of the options brought up so far are fine. Honestly if the trans in it has already been rebuilt I would just install a temp gauge and rock it as is. The only issue you would possibly have with lifting it would be changing driveshaft working angles and increased U joint wear. I can meet up with you at some point if you want though.

> [@fs PINK!!!!!1999KAWASAKI NINJA 250 (pics)](https://forums.speedlife.net/t/fs-pink-1999kawasaki-ninja-250-pics/53499/12):
>
> This is a dumb question but is the extra tranny strain from lifting due to bigger tires and needing more rotational force to get stuff rolling or does driveshaft angles and such play a role as well? I’ve pretty much only owned fwd cars so lifting and rwd is foreign to me.

The main issue with larger tires is the decrease in effective axle ratio. Basically your increasing the load on the engine and trans at all times. However if you never come near the factory rated tow capacity it’s really not a problem to install a larger wheel and tire package. In fact it’s a pretty common practice to increase tire diameter to say a 33-35" tire to yield better unloaded fuel economy since it decreases RPM. Even with an auto you can see some very impressive economy numbers out of these old B series motors due to the lack of pollution control devices.

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