View Full Version : Tire and Rim Question

07-09-2012, 07:31 PM
I have a 1987 ProStar with factory rims. 14 inch tires. Thinking about changing the rims out for 15 inch, I have rised the trailer axle 2 inches with steel blocks for the driveway 10 years ago. Just wondering what problems I might have... I do know the older rims are 4.5 center to center and most newer rimes are the same....

07-09-2012, 07:49 PM
What is your existing tire size? Going to 15" is not a problem especially since you raised the trailer already. just need to figure out a tire size.

07-09-2012, 08:10 PM
205-75-14 trailer tire

07-10-2012, 09:52 AM
The ST205/75R14 that I sell is 26.1" tall and 8.1" wide. There is no industry standard so checking manufacturer specs is important in figuring out what tire size you need.

Gladiator trailer tire specs (http://www.apitire.com/#/tire/gladiator/1942001831)

07-10-2012, 10:53 AM
A 215/75r15 is 1.5" taller and almost .5" wider than a 205/75r14, approximate, as thatsmrmastercraft stated tire manufacturers do vary some, kinda like a nike will fit different than adidas, measure your existing setup so you can see how much clearance you have...

07-10-2012, 11:36 AM
Tire width is usually more of a problem than height. You can, id necessary use a wheel spacer if you need to move your tire out from making contact with the frame.