Re: Willow Springs Testing 1 2 3 14
Dave,
I think your 2 choices for Non-ABS cars, technically, are identical. Some of my notes that I have show the Non-ABS front caliper piston sizes = SRT rear. So if you already have your front calipers and dont care about the styling differences of using an SRT front with GenII front (on the rear) that is the best choice money-wise.
You will *definately* need a rear prop valve. For both choices. My calculations may be wrong, but look at the stock front/rear bias differences between the 2 models...
SRT-10 Brakes:
* Brembo 4-piston front and rear.
* Piston sizes: 40/44mm front, 38/42 rear.
* Rotor sizes: 355/32mm front and rear.
* Piston Area front to rear ratio: 52.43%
STOCK VIPER:
* 4-piston front, 1-piston rear.
* Piston sizes: 38/42mm front, 36mm rear.
* Piston Area front to rear ratio: 83.2% (horrible)
For reference:
Surface Area of Piston. SA of circle = pi (3.141592) x Radius Squared
44mm = 1520.53 2 pistons = 3041.06
42mm = 1385.44 2 pistons = 2770.88
40mm = 1256.64 2 pistons = 2513.28
38mm = 1134.11 2 pistons = 2268.22
36mm = 1017.88 2 pistons = 2035.76
30mm = 706.86 2 pistons = 1413.72
28mm = 615.75 2 pistons = 1231.50
Calculations for SRT vs Non-ABS GENII:
GENII 2770.88 + 2268.22 = 5039.1F, 1017.88R = 6056.98 Total Surface Area. 83.19%
SRT10 3041.06 + 2513.28 = 5554.34F, 5039.1R = 10592
Total Surface Area. 52.43%