What dual master should I use, since I'm using the original 3 speed I don't think I can use a booster any preference out there? Since we are on the subject, if the axles are the same will a disc kit designed for an AD work for a 41?

1941 Chevy
"First rebuild - complete!"
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1941 GMC resting peacefully
1946/1947 Chevy Street rod on s10 frame complete
1945 GMC panel truck in line for restoration
1941 Plymouth stock complete
1941 GMC COE in restoration process
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1941 Chevy Coe uncertain future resting now