Quote:
Originally Posted by DavidG
40-2454 was also used for the '37-'39 rumble step pad on the fender.
qmdv,
The pipe thread pedal pads were a lot easier to install on the assembly line where time is money.
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There does not seem to be any taper on the stud. So with 18 threads per inch on the 1/4 pipe thread and 16 threads per inch on a 1/2 inch tread, i would think that it would take just a tiny weeny bit longer to to screw in the one with 1/4 pipe. But here I am second guessing an engineer.