I STILL can't find the right drag radials.

[Fox Body]

I know. Another tire post, but bare with me.

For rhe last 2 or 3 weeks, I've been looking at BFG Comp T/A Drag Radials, Nitto 555R Drags, Mickey Thomsons, (even Hoosier) or whatever to put on my 15x8" Weld Wheels and no one has a simple size like 255/60/15 (or even 245/50/15, 245/60/15).
BFG only have 235/60/15 or it jumps to 275/50/15. Nitto only got 2 sizes for 15" wheels, screw them.

Now M/Ts got some, but I'm not sure about them. The one I was looking at was the street series Sportsman Pro 26x10.5x15 (Nylon, black, tubetype, 8/32 tread depth).
That's the smallest size for the 15" rim and I think that is about an inch and a half too wide for the 8" wide rim. I'm not sure though. But I don't want tube type tires.

What I need is a soft street legal tire (this is the only car I got) that will get me much better traction on the track than a regular street tire. Those tires are made of drag slick compound so I think it'll work. But, is it the same as drag radials like the ones from BFG and Nitto? (Probably not) Sounds like it's just a street tire made with a soft drag compound rubber.

I met a guy at the track who was running those (26x10.5x15) but looked skinnier than 10.5. Anyway, he was hooking really well with those tires and if I can't get the right size drag radial, I'll just get those from M/T. This is frustrating.

Shouldn't be so difficult!!!

I don't like asking people for help until I've tried researching a problem for myself first. I have and I need help. Sorry for the length and details, but any and all help is very much appreciated.

BTW, the best time I could get on my street tires w/ MUCH spinning and other small problems:

60 ft ---------- 2.137
330 ft --------- 5.905
1/8 mile ------- 9.063 @ 77.12 mph
1/4 mile ------- 14.142 @ 96.18 mph

60 ft ---------- 2.180
330 ft --------- 5.964
1/8 mile ------- 9.109 @ 77.63 mph
1/4 mile ------- 14.147 @ 97.06 mph

I should be in the high 13s. I need help. Keep in mind that I want tires that I can ride on the road daily even if they only last 15,000 miles.

Last thing. If there is anyone who has 15x8" rims and 275/50/15s on them, please post a photo or send me a photo of them and let me know if they bulge out too much or not.
I appreciate the time you take to read this post and help out w/ your advice. Thanks.

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'79 Mustang Coup w/ 4" Cowl
Stock 5.8L, C4 w/ shift kit
Holley 750 cfm, Edelbrock Performer RPM intake
1 5/8" MAC shorty headers, Al driveshaft
2.5" Off road H-pipe, 2-chamber Flowmasters
Front: 225/60/15, Rear: 255/60/15 Eagle GT II
Weld wheels (15x6;15x8), 8.8" Rear w/ 3.55s
14 x 4” K&N air filter (getting the Xtreme setup soon)

"Red, thou art my companion. Hasten now your quickened metamorphosis to Green that I may conquer all who dare abide there beside me. May they be left thither behind burnt black." ---Fox Body