Originally Posted by
Sp3no
Obviously getting the Cam Timing spot on has helped but i do think that the underdrive pulleys have released some extra power, no doubt they have helped a bit on acceleration. The car is allot quicker and it cannot be down to just the cam timing
cheers for the reply m8, iv only got a 1.8 but full mods on it (cams etc) and jus not sure if spend money on the cfm underdrive 2piece kit. Some people say im wastin my money so not sure whether stop spendin and keep the money back for wastin on my st3 when i get it next yr