Originally Posted by
grubster
I ran a 4.5 Tekin 550 with an LRP sxx TC 2 speedo this weekend at our state race and my new truck performed very well. TQ and Win first time out. I had all the power I wanted, but it was smooth and controllable. The combo will be staying in my truck..

Thanks I will be going with the 4.5 tekin 550 also then. I was trying to decide between 4.5 and 5.5 what gearing are you using.