Winter Storms, that's one of the reasons I moved from Milwaukee to SoCal in 74.
Sorry, Glenn I have not gotten back to you sooner, my computer got a cold.
The D2585 Goodyear 31x12x15 is actually 12.5" wide and a little wider on 12" wheel. Section width is 15.2" and 96.5" roll-out. One of the best things about that tire is it only weighs 22.6 lbs, the next available 12" tire is 30 lbs. Keep in mind the more rotating weight, the more power it takes. The D1288 Goodyear 33x12x15 has a 102" roll-out, with only one compound D-7 which is one compound softer than the D2585, D-3 which is a hard compound to help keep the tires spining some to not dead hook and pull the motor down out of the RPM range your motor is happy.
A little history here, in 2012 Goodyear decided not to keep a number of tires on their stocking production list. I found out that GY would make another batch of the 12" tires IF I gave them a solid order of 150 tires. When I gave the guy in charge of production schedule, he said "WOW, how did you do that, because when we looked at just making 100 tires, we would be sitting on them for 2 years." Turns out I did another Special order in 2015, when I ordered the D1288 and D2585.
We run 5.75 to 6.25 lb of pressure on 12" wheels with the higher pressures when I'm looking for more bite, and lower pressures when I want more tire speed, and to help tire shake, running 1.01-1.03 sixty foot times, and 7.0 ET's at high 180's mph.
I have heard from some Comp racers, including Frank Parks that they have found the Hoosiers have a somewhat narrow track temp range. Some have said below 70°, and above 110° they will smoke. Even tho Parks has retired from racing, but not stopping building race cars and parts, they did try M&H 33x12x15, i think mostly because they have less static rear-end weight because their motor is out 54".
Glenn, I would think the 2585's would work for you, granted you are not racing a light weight JrFueler, but you are also your motor is further back and is heavier, your motor makes more torque than us, which should work good with your motor location. Most of the Heritage jrfuel teams run the D2585, and lot of the NE-1, NE-2 teams too.
Call me if you decide on either of the Goodyears, 800-624-3803, 805-444-4489, cell
Jon
I hope this helps