hi
i have a 73 cuda not the fastest car ever 12.31 @ 110 .
i installed 460 & 461 ss springs in 1986 and they work perfect and have never saged !
type in, mason dixon mopar 2017 cuda and you can see me make a few runs.
The early Made In America ones were great. The current ones are made in Mexico. They lose arch quickly. It is well documented.
'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.
| 
