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  1. Engine
    I have a 1990 1 piece rear seal sbc 350 in my 78 GMC truck that I built. Before you say that my block should be machined for OEM roller lifters and I won't have to retro fit, IT IS NOT. I have checked it many times. I'm going to swap the current solid flat tappet cam (Comp XS256S) to a Comp...
  2. Engine
    This summer I'll be converting my small block chevy to a roller cam like I decided in a previous thread I was recommended the XR270HR by Comp Cams, and by Lunati I was recommended the VooDoo 20120710 XR270HR...
1-2 of 2 Results