'69 Corvette, 15-to-1 355 Small Block. Using a Tom's Differentials 12 bolt conversion independent rear end (spindle to spindle) w/spool, 4.56 gear. Turbo 400 w/transbrake + Precision Performance air shifter. MSD ignition. Holley 750, jetted square. AFR 210 Heads. Run's 10.0's in the cool weather, 10.20-30's in the heat of the summer.