Tire question

[Benny 608]

I have a2007 ram 3500 dually. I purchased two new LT 285/75/r17 tires last year for the front. I just found some like new 285/70r17s for sale for 1/3 the cost of new ones. Can I put these four on the rear?

 

[SniperDroid]

What Does the little yellow sticker on the driver's door Pilar say?

 

[Benny 608]

It actually says 235/80r17 for all tires. I’ve been running the 285/75s since I bought it five years ago. My question is will it make a difference running 285/75s on front and 285/70s on rear?

 

[SniperDroid]

I think you'll have a overall height difference. Check with a tire shop on the overall dimentions.

 

[Benny 608]

It’ll be about an inch in overall height. Will that hurt anything mechanically speaking?

 

[GTyankee]

i think with duals, at least on 1 ton & above
You do not want the tires to actually touch each other
Some truck owners run a spacer between the rims

 

[Benny 608]

I have spacers on it. I’m just trying to figure out if the one inch height difference between front tires and rear tires will hurt anything mechanically.

 

[Jay P]

2wd or 4wd? If it's 4wd you should never have tires that are different sizes (could destroy the transfer case). I wouldn't do it on a 2wd because it will affect braking and you may get an ABS error code since the wheels rotate at different speeds (don't know if 2007s have ABS).

Jay

 

[Benny 608]

It is 4wd and that answers my question. Thank you Jay. That makes sense regarding the transfer case issue. I live in Northern WI and run in 4wd quite often. Guess I’ll keep looking for some used tires in the correct size. Can’t afford $1500 for new.

 

[Jay P]

Then you should be replacing all 6 tires at the same time.

Edit -> you should at least have all the tires the same brand and model. Just because they are the same size doesn't mean they have the same circumference.

 

[06 Dodge]

I have a2007 ram 3500 dually. I purchased two new LT 285/75/r17 tires last year for the front. I just found some like new 285/70r17s for sale for 1/3 the cost of new ones. Can I put these four on the rear?

If they are not E rated tire then no I would not put them on my truck, IMHO...

 

[Dean2]

Assuming the 4 are E rated you could buy them and then replace the two front ones with the same size and make. Resell the fronts you have on now.