Post 11 second small block combos

Demonx2 said

I run the M/T 26x7.5-15 tires (M/T #1573). Rear slicks are M/T ET Drag bias ply 28x10.5W-15. When on the street, I run M/T ET Street SS P295/55R15 drag radials in the rear. (pic in street trim - and without the glass lettering!)
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Those are the bias ply Sportsman correct?
Do you happen to know the weight bias of your car? And air pressure you run? I’m likely going down the wrong path but I ran those tires (26” versions) on my van and as they wore my handling went into the tank. Not really ideal going down the track. I have about a 60/40 bias but I dealt with it. I now run regular radials as light as I could find and it’s a night and day difference. Might not be your issue just thought I’d mention it.