Doing the basic math, you're looking at 31.6 (265/70-17) vs 32.7 (285/70-17). That's strictly based on stated size - real world diameter isn't usually the same. An extra ~1/2" of height (from hub to tread), plus a little more section width... might fit, might rub... IMO, you'll have to try it out in the tire shop & see.
the SEMA FJC (the blue one) had a donahoe (sp?) racing lift on it, essentially longer coilover shocks front and spacers or longer springs in the rear. I think it was 2" of lift.
"Liberty is never unalienable; it must be redeemed regularly with the blood of patriots or it always vanishes. Of all the so called human rights ... liberty is least likely to be cheap and is never free of cost." - Robert A. Heinlein
It only had donahoe coil overs on the front. The rear was a mix of two, OME and something else to give it about 2-3" of lift. But, I would think the lift is pretty much unecessary if you're only raising the size of the tire by about an inch" total. You will want the lift eventually to prevent rubbing when your flexing the suspension, but if you're still in break in and trying to not to beat it up too badly before the end of the warranty, then you could probably roll 33" without too much problem. I took my Ford up almost 4" in tire size over stock and the only problem is when I hit a really hard dip at speed. I would think you could go up an inch without too much trouble.
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2006 Tacoma Access Cab 4.0ltr V6 TRD Offroad, 6 Speed Manly-man-mandingoness "Too close for missiles, switching to guns."
Member #13 - no matter what that thing says.
"Liberty is never unalienable; it must be redeemed regularly with the blood of patriots or it always vanishes. Of all the so called human rights ... liberty is least likely to be cheap and is never free of cost." - Robert A. Heinlein
I want to swap the 17" alloy wheels and 265s for 16x8 steel wheels and BFG 305/70R16. I think that is a 1.2" increase in diameter and a 1" increase in width. Is there anyway to find out if you have to do other modifications to support the tires or do you just see if they fit at the tire shop?
I haven't modified a vehicle for off-road before although I have definitely gotten stuck in the mud more than a couple of times.
if you are going test fit the tires someplace check and see if they have a forklift so you can fully cycle the suspension with steering locked both ways and everything, front and rear. there are a lot of trucks that will fit bigger tires on pavement, but the minuet you take it through a decent pothole, not to mention off road, you will be rubbing. the backspacing on the wheels you chose has a big effect on that too, so try to find a place that will work with you on getting something that fits good.
"Liberty is never unalienable; it must be redeemed regularly with the blood of patriots or it always vanishes. Of all the so called human rights ... liberty is least likely to be cheap and is never free of cost." - Robert A. Heinlein
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