I almost fell off my chair when I looked on Bridgestone's Truck Tire website and saw a 445/50/22.5 tire that is only 40" tall!

It is 17.4" wide (18.5" loaded), and goes on a 14" wide rim. I would save probably 200 lbs. in wheel and tire weight between the left and right side. Obviously I would change the front tire to something like a 295/75/22.5 to keep the overall size within 1/2".

My question is, do you think the weight savings would be worth it in the long run? This tire, according to the site, can handle more weight, has the same tread depth, and can go 10 MPH faster (from 65 to 75).

What do you guys think?

 

Often said in the world of snowmobile performance +more+ weight is -less- power!

I think the lighter tires are worth the expense.

my $ .02

 

I think they are bad looking (bad meaning good).

What goes up front then though? I don't see the weight savings as enough to do it........

 

Upfront would be the 295/75/22.5.

 

Guess that little bit o' difference wouldn't matter to the 4WD?

 

Wouldn't think so. I think with that wheel and tire, only 10 lbs. are added and with almost 200 saved in the rear, I would definitely come out ahead.

 

I love the looks of super singles on Semi's but have not seen it on a 1ton truck. I say do it!

But, how are you going to stuff a 40" tire in there?

Also, They are only rated for 75mph???????

 

I haven't seem them either; at least not on a non-"lifted to the sky" truck.

And yes, 75mph. That is better than the 65 mine are rated for. Don't forget, they are talking about being on an 80,000LB. Semi @ 75MPH. A little different then our little 1 tons, LOL!

 

I was talking overall diameter, they come out exact?

 

Not quite exact. 40.6" versus 40.2"

I cannot imagine that the 4wd system would care about such a slight difference but I do not know.

 

seen a gen 1 ram that was lifted and on a 22.5 super single.... it definitly stands out seeing 2 super wide single tires compared to the 4 tires that are normally seen

the only downside would be if you ever got a flat or a blowout.. no 2nd tire to support the truck while you pulled over

 

Don't worry about the slight difference in inflated loaded diameter - I sometimes run for many thousands of miles w/o rotating tires, and can easily get up to 1" difference in tire diameter.

Besides, 4WD is for slippery conditions, when the front & rear will be able to turn at different tread speeds.

 

What I am wondering is if a 3" lift in the rear will be sufficient for clearance. I would think so given that I can clear the 37s I have now with none.

 

The speed rating is for tire temperature and balance. The faster you spin the tire the more balanced the tire must be....Sounds like a win win situation. If you get a flat with those tires you'd have to stop to check on the econocar you just ran over anyway ks

 

I doubt you'll have any clearance problems in the rear at all; I recently measured my truck for 37s all around and there was lots of room in the rear.
I have no lift at all and it'd be easier to get 40" in the rear than 37" in the front.

With the 3" rear lift you're planning, they'll fit fine... have you checked the backspacing yet? I like to see the inboard of the tire within 1" of the frame/suspension for the "tucked under" look.