Thread: Big Bore/Small Bore Model A Engine Block
View Single Post
Old 01-11-2019, 10:11 PM   #3
Kurt in NJ
Senior Member
 
Kurt in NJ's Avatar
 
Join Date: May 2010
Location: on the Littlefield
Posts: 6,159
Default Re: Big Bore/Small Bore Model A Engine Block
It was about "taxable " horsepower, a formula using bore and stroke, the way it works is smaller bore made for less tax,
Kurt in NJ is offline   Reply With Quote