Go get yourself a stock rear rim, get some real drag slicks require tubing and screwing them to the rims and go knock down a mid 12 second pass. NO BS.
You're wasting time on those rim/tire combo. They maybe great for carving corners, but obviously they are severely handicapping your 1/4 mile time.
I ran that exact same as you did spinning tires on my notch and only netting a mid 13 at 105.90. This was with a 3.08 gear and shorty headers.
Next season I came out on a 3.55 gear, 27 inch boot, and long tubes and ran a 12.501 @ 109mph with what I considered to be a lousy 1.771 60ft. I too was previously only getting a very boring 2.2 60 ft.
Seriously, take the big SVT street rims off the back and run a boot. Getting down to business means no excuses allowed.