Articles from seabee

  1. Leak Down Procedure (Pic Heavy)

    Did a leak down test on the 273 today and took some pics on how I did it for the next guy that searches it. Please add any , corrections, advice, or tips.

    1. Find Top Dead Center on Piston #1. I used a piston stop to make sure the balancer hadn't shifted.
    Using a small level I made horizontal and vertical marks:
    Each 1/4 turn of the crank will put the next cylinder in the firing order at top dead center. Firing Order: 1 8 4 3 6 5 7 2
    Next I checked the gap (solid, non hydraulic lifters) to...
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