engine swap
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
a and b are different bottom ends/ cases- that's what affects the mounting.
not the displacement
if you look at the cases ( esp up front by the oil filter)- compare a touring/dyna rubbermount A motor, to a Softail B motor.
you'll see the diff
mike
not the displacement
if you look at the cases ( esp up front by the oil filter)- compare a touring/dyna rubbermount A motor, to a Softail B motor.
you'll see the diff
mike
Last edited by mkguitar; Mar 10, 2017 at 04:53 PM.
Seasoned HDF Member
Joined: Feb 2008
Posts: 23,004
Likes: 11,441
Your are correct
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Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
The balancer B engines were introduced with the TC88, so all softail twincams use the different engine mounts and are not interchangeable with the A type.
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