According to Stillen's website, they're undrive pulley is 20% vs NST's 10%. Weights seem to be identical. When referring to the underdrive %, wouldn't a greater % yield better performance. Or am I misunderstanding something?
__________________
13.369 @ 102.73 Bone Stock. BERK HFC's installed 5/14/09 @ 1490miles, 13.212 @ 106.15. Cobb Post MAF Hoses installed 3/20/10 @ 5,043miles, future: FI exhaust with 18" res and s/s cans.
|