Originally Posted by an8sec70cuda
I used to have the 3400 lb SS springs on my cuda that was 3700 lbs at the time. It hooked good, but the Cal-Tracs were way more consistent.
This was running 11.40s on motor w/ a 1.60 sixty foot and 10.60s on nitrous w/ a 1.50 sixty foot. Left front tire would be a foot in the air and the right front barely touching the ground. The Cal-Tracs evened it out.


Exact same experience here with nearly identical times. Cal-tracs are much more repeatable and consistent.

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'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.