If you want to keep it simple get some 15 x 7 wheels and put 235 60 15 Drag radials , add some double adjustable shocks and it will hook with a bit of testing
that is simple and will get your big / little look.D Dudick campaigns a 700 + hp Road Runner and it runs
high 9's on F70 15 belted Redlines.You'll have to practice launching without blowing off the tires.There are lots of 340's that require the same.Your Kelsey's, set up properly are a very nice braking system for a light A body.Stock drum brakes are adequate for normal driving but stab and steer in a panic or emergency
is scary!