Thread: Model B engine advantages?
View Single Post
Old 02-05-2014, 12:15 PM   #7
PC/SR
Senior Member
 
Join Date: May 2010
Location: Santa Rosa, CA
Posts: 1,282
Default Re: Model B engine advantages?
The B has 1.5" ports and the A has 1.375" ports. The A ports can be enlarged to 1.5" but it gets dicey to open the B ports much.
PC/SR is offline   Reply With Quote