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Pipe and Bolt Engine Mod-Up

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vtsteam:
Then reversed it in the chuck and turned off the threads:

vtsteam:
Parted it off short:

vtsteam:
Drilled it to suit the nail crankshaft:

vtsteam:
Began filing a cam profile with a coarse file. To give 110 degrees on inlet, I needed the minimum cam thickness to be  0.539" on the 0.713 blank.



I got it to withn 2 thou with the coarse file, and then finished with a fine file. Then I drilled and tapped the boss for a 5-40 set screw.

vtsteam:
And mounted it on the engine:

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