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  1. Engine
    I have a stock Vortec motor I am putting Summit Vortec heads on. What will happen if I install 1.6 rockers? Will it increase my midrange torque? Need a little boost around 3500 rpms going up hills on the highway in my k2500 truck.
  2. Engine
    hey guys, tried searching on here for this problem, really didn't come up with much, except I did hear a few guys mention clearancing the rocker. My problem in a nutshell... I know my max lift with 1.6 rockers should be .525 without even dealing with the pushrod (another topic), the back of...
1-2 of 2 Results