[highlander]

Are they gains from using a 20-39 over a 21-41 in 660', and also did you try the sw intake are they any better than the box mod,( i put on the dp kit and reeds) didn't try the box mod yet.......thanks B)

 

[byoffcr]

Highlander

On the gearing 20/39 =109.28 mph - 21/41 =109.15 mph Flip the coin Speed werx with 2 thunder product gate vents +2 hp on dyno 5 thunder product gate vents = +2 hp on dyno

 

[highlander]

OK thank you very much,let you know how everything goes once i get it geard down for the 660'.