I need to improve my 60' time.

318willrun said

Personally, I'd ditch the Nitto's and go M/T ET Streets (Drag radials). That's what I'd do if I were you. I'm cutting lower 1.8's with an open differential (3.23's) and a much smaller tire (235/60R15) drag radials at 28 psi. Oh wait, I run factory stock leafs with traction bars (slappers!)... never mind :D

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Agree, Nitto’s are a hard tire, and with cheap shocks you are gonna have a harder time getting it to stick.
I have been 1.33 @3350 on a 275/60 tire with 002/ 003 leafs in the stock location with no clamps.
I like the Hoosier 17317 tire. It works. Throw the snubber in the trash where it belongs
Better tire for starters, then a better shock can’t hurt either.
I have never run more than 18 pounds of air. Once a radial spins, you’re done.
Pinion angle maters too( a bunch) with a S/S spring. Should be 3-5 degrees down. Really gives you some teeth.