I run the 3400 # springs. 71 Demon,440/727/Dana 60. Aluminum heads,radiator,water pump and housing,glass hood.

My car will hook in a car wash.I have Rancho shocks on the rear and Calverts on the front.

The SS/AA Hemi cars used the 3000# springs,so it is something to think about.


Nautilus Racing-
We use Superformance gaskets and Turbo Action converters/products.