#4 Or #6

[SVT Knight]

I need a new pulley. i need a little more hp. but what do do? i have a stock block and i want to run it moderatly hard as a dd. And i plan on getting it dyno tuned from Woodbine?? Whats your opinion

 

[Fade 2 Black]

Do a SEARCH. This was just covered as it is on a continuing basis as well as it's coverage in the FAQ section.

 

[jgardner14]

Go with a #6 lower, I am about to have my "L" dyno tune at Pro-Dyno