Under drive pulley system....

[KenpoFish]

anyone have an under drive pulley system..? If so, pros and cons please.

 

[AppocAlexx]

Cons in under drive systems are drop in fuel economy and life of your engine in the long road. Pros will be gain in torque and HP. Not sure on exact number with every vehicle being different. If you have a standard vehicle with no other real performance mods and its your day to day driver then under drive systems them selfs are not really worth it. Untill you get into major mods like engine rebuilds, blowers, turbos, etc etc, is when an under drive system is used. They are more of an added edition to other mods than a real mod it self.

 

[KenpoFish]

Alrighty..thank you for the feedback