Of course you can cut them.
However the design of the spring doesn't always lend itself to cutting.
The spring on the left you can't really cut but the spring on the right you can.
Doesn't seem to be many people running their stock Z's at the 1/4 mile on their forums either. They only talk about the AMS car running 10.7 @ 128 with god knows how much money into it.
C&D got a 12.7 seconds at 115 mph
Keep in mind that the original Whipple 3.0 kit for the S550 cars came with 37lb injectors and made 775hp on Lethal's car and went 10.39 at 136.81 MPH
So the 35lb injector on the TVS cars shouldn't be a big deal. The 18-23 VMP Odin kit does include 56lb injectors, but so does the 15-17 kit (that...