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Is it true? (Performance part question)

1K views 16 replies 10 participants last post by  MR. RYTE 
reasonably dumb question has anyone attempted to do the spring upgrades for our roller engines.. i would think before all else including turbo that making our roller rocker system stronger would be a good priority... hell if that was the case i would keep my car NA and work on trying to get the highest compression avaialble for our application ;)
 
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