Forum Discussion
goducks10
Mar 14, 2016Explorer
Here's my conundrum. I've got 7300lbs+/- on my axles. I currently have ST 225/75/15 GY Marathons. I only have around 2.25 -2.50 between the tires for spacing. I'm running 5200lb axles and 6-6.5 rims.
I could run an LT tire size 225/75/16. They have around a 29.3 dia. About 1" larger than my OEM 28.3" GY. So I would end up with 1.25-1.50" between the axles.
That may or may not work. If I drop down to a 235/75/15 D rated LT then I only have 160lbs in reserve for each tire. Running D rated STs I have 715lbs in reserve for each tire. I could jump to E rated STs and have even more in reserve. Which ones better?
I have plenty of clearance between the top of the tire and the 5er body.
Believe I've looked at plenty of RVs and the number one factor right now after floor plan is tire size. 16" is a must have.
I could run an LT tire size 225/75/16. They have around a 29.3 dia. About 1" larger than my OEM 28.3" GY. So I would end up with 1.25-1.50" between the axles.
That may or may not work. If I drop down to a 235/75/15 D rated LT then I only have 160lbs in reserve for each tire. Running D rated STs I have 715lbs in reserve for each tire. I could jump to E rated STs and have even more in reserve. Which ones better?
I have plenty of clearance between the top of the tire and the 5er body.
Believe I've looked at plenty of RVs and the number one factor right now after floor plan is tire size. 16" is a must have.
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