high octane

  1. Preston Tucker

    383 vortec high compression

    I am building myself a 383 Stroker and wanted to run a set of 96 L31 Vortec heads on top of it because I have heard they have way better flow than any other stock head for a small block. Its supposed to be a cheep hp swap (around a 40 hp gain I have been told) Well I have been doing some...
    • Preston Tucker
    • Thread
    • 383 stroker 383 swap crank swap engine build high compression high octane k20 l31 small block vortec
    • Replies: 24
    • Forum: Engine & Performance

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