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  1. S

    Stock valve spring pressure? 1978 350 GM?

    How much pressure dose the Cam haft to exert to open the intake valve? And what is the rating on the spring supposed to be?
  2. S

    1988 GM heads 14102187 ? Manifold question.?

    4 out of the 12 bolts are at different angels 2 for each head. What are these heads called?
  3. S

    1988 GM heads 14102187 ? Manifold question.?

    I'm yous to the older engines. And have never seen this before. Out of the 12 bolts on the intake manifold the four in the center are at a different angle. What are these heads called?
  4. S

    2003 chevy silverado 1500. Stalled, has all power lights radio etc. won't crank...

    It could be a fuse fusible link or the ignition.
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