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roller rocker arms

  1. 5.0L Tech
    I originally set my hyd roller rockers preload doing the tightnen till I feel slight resistance on pushrod and then 1/2 turn more, then lock it down the with a cold engine method. However, I would like to know your thoughts on having the engine at a low idle with cutout donor valve covers and...
  2. 5.0L Tech
    i decided that before i upgrade my cam that i would upgrade the roller rocker arms to open up the power in the cam i have now. i was wondering first off what size ratio rockers come stock in the 91 mustang and what i should upgrade to to get the most bang for my buck. i have heard that they came...
  3. Mustang II Tech
    does anyone know if roller rocker arms will work on my mustang 2 its a v8 302 i am haveing problems with them i got them on and one i start up my car they kick over to the side a little so the roll is not hiting the valve instad it is hiting the spring
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