t key cutting to advance timing.

alvin l nunley

Premium User
To advance the timing by 1°, key needs to be cut .0065". How much do you want to advance your timing stock?
 

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Pete_Muller

Moderator
OvalTech,

Super simple: diameter of the shaft - times Pi - divided by 360 = how many thousandths per degree at the OD of the shaft.

e.g. .750 x 3.1416 / 360 = .006545" per degree
 
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