[40Coupe]

I run a 275 M/T Pro radial tire on my 67 Camaro. Basic combination, 468 BBC, 3-speed, 5700-6000 RPM flash depending on tune and DA, 4.10's, 3300+ lbs

Below are some basic suspension and tuning settings I've used based on conditions.

Marginal track surface, early summer air pulling power and adding ballast. 1.35 60 foot

Rear AFCO DA's set full stiff/full stiff
200 lb split monos out back
Caltracs set with slight gap with driver weight and no ballast, top hole
120 lbs ballast in trunk
Tires set at 17 lbs hot
Front AFCO BNC DA's set full loose ext, full stiff comp
180 lb Santhuff's up front + 1" of spacers
5.5" travel
Leaving off the transbrake and two-step set at 2500
-15 degrees Launch Retard in the Power Grid for 1.5 seconds

On a killer track, fall DA, no ballast, car setup to run and leave as hard as possible. 1.27 60 foot

Rear AFCO DA's set 1/2 to 3/4 turn off of full stiff ext. /full stiff comp.,
200 lb split monos out back
Caltracs set with slight gap with driver weight and no ballast, top hole
No ballast in trunk
Tires set at 18-20 lbs hot
Front AFCO BNC DA's set anywhere from 5-10 clicks off full stiff ext, full stiff comp
180 lb Santhuff's up front + 1" of spacers
4.5" travel (1" taken out with limiters)
Leaving off the footbrake at 1800 RPM.
+4 degrees added at launch in the Power Grid to 6500 RPM in low gear