Quote:
Originally Posted by palmetto rogue
Not being critical bit but looks like you will gain less than 3/8" (30.8-30.2)/2 = .3 inches. Does that benefit enough to buy tires and wheel and get you level. Also based on my very limited experience are your current wheels rated to 110 psi for the tires you have. I think 6 hole 16" wheels are used on 6000 lb axles which use e rated tires that operate at 80 psi.
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Thanks for the comment, I don't see it as critical at all. Your example (30.8-30.2) assumes I'm wanting to go lower to get level, not so. My truck is high and a swap to 30.2 makes things worse. Moot point anyway, since there are no 17.5 wheels with 6 lugs.
As to psi wheel rating, my current wheels (HiSpec Series 9, 6 lug) are only rated 80 psi. The Sailun S637T that is the same size as my current Maxxis 8008's is a beefier tire but with the same dimensions (i.e. no change to level). A Sailun change would get me deeper tread (10/32 vs. 9/32), higher ply rating (14 vs 10) and a higher speed rating (75mph vs. 65mph), however I would have to run them at 80psi (not their max 110psi). I checked with Sailun and they sent me their applicable load inflation chart that indicates running their S637T at 80psi is acceptable. The only caveat is that at 80psi it is an 'E' class tire with load capacity basically the same as my OEM Maxxis 8008.
Lastly, changing from a 235/80 to a 235/85 would yield a taller tire but because the diameter is 9/10in. greater, when you look at the gap between the tires on the two axles, taking away .9 x 2 or 1.8in is unacceptable because the tires on each side would be too close together. So for my axle placement, a change to 85's is not in the cards.
In the end for me, its keep the same wheels and just decide between staying with Maxxis or moving to same size Sailuns running at less than max psi.
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