Hey Guys, quick question.

I have been searching on this site and Google for the last hour or so, but getting conflicting info.

Heres the background

I have a 5.9 with 3.92 gears running 33's.
I have a travel trailer which weighs in around 6500lbs when loaded.
Tows no problem, only time I really notice it behind me is going up the big hills in the mountains. I always take my time and drive about 90-95 kmh (55mph) but slow to 80ish (50ish mph) on the big hills. I never really try and push the truck too hard.

The tires I have are in great shape and fairly new (toyos)

would I see any improvement in performance going back to 31's? only time I really wish I had a bit more power/torque is the big steep hills.

This is not a fuel savings concern, as the return in savings to offset the cost of new tires will take years. (just a FYI i get about 11-12 mpg towing the trailer)

Thoughts?

TIA!

 

The cost of buying a new set of tires is about the same as re-gearing your truck to 4.56 gears, so its a toss up to you.

You will probably not feel much of a difference in performance if you switched the tires, but I guarantee that you will feel a difference if you re-gear your truck.

Oh, I'd like to see a pic of your camper! Here is my dad's:

Its a 25ft Jayco.

 

Good thinking Purp, Didn't even think of going down that road. might have to do some research on that. Maybe i can find a set of gears from a wrecker.

 

Good luck, all I can say is finding a set of 4.56s in a wrecker will be hard. Unless a past owner has swapped them out, you wont find any. Plus you'll have to count the gear teeth on every truck!

 

Here's some pics. Don't have too many yet as I just got it at the end of the season last year. Only made it out 5-6 times with it so far.

 

How much do you think a new set of gears would run?

 

you can get a set of gears, front and rear, with install kits for a hair over 500 off of ebay, supposedly reasonably good gears as well. Installation is what hurts..... anywhere from another 600, and up.......

 

Oh man, thats nice. You wanna trade?

 

Not for the do-it-yourselfer?

You would have to take the wife and kids with it LOL

 

If you take your time, read a few manuals, you could probably do it. I'm thinking about DIY'n myself.

The wife and kids can stay with you.