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  1. Rapid Robert

    does anyone offer early A small block shortie headers

    yes at that price I may have to consider making them! thanks guys. RR
  2. Rapid Robert

    does anyone offer early A small block shortie headers

    imca changed the rules & the chebbie boys can use em (shortie headers) next year. the tech I spoke with might let me do the same if I can find a similar (shortie) set of em, otherwise it is only manifolds with a 2" outlet allowed for us, very restricted. thank you for your time. RR
  3. Rapid Robert

    Magnum exh manifolds questions

    I dont have the part numbers but the early (92/early 93) good ones have ~2&5/16" outlets and the later worthless ones have ~1&7/8" outlets
  4. Rapid Robert

    exhaust manifold flowing

    there was a utube vid on using some blast media at home sorta like the commercial extrude hone process & reportedly there was a significant gain in flow. I'm gonna see if I can retrieve it. EDIT found it: filled capped up ex man with muriatic acid/let set for 2 hrs/drain & refill with fresh...
  5. Rapid Robert

    Bending pipe

    I would not be hopefull. I'd remove it & pack it tight with sand then heat it
  6. Rapid Robert

    gotta go 3 inch

    unbolt your collectors (leave 1 bolt) & slide the ex over. correct the AF ratio. take it out for some spirited driving. see what the butt dyno says.
  7. Rapid Robert

    Dakota RT manifolds...what are they going for these days?

    $75 to my door plus the ride (commercial business address Lincoln Nebraska 68522) and I can do Paypal or a postal MO.
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