The Ford Barn - View Single Post - here we go again... does anyone make 3 7/8

Bruce Lancaster · 11-19-2015, 12:27 PM

The 3 7/8 stroker mod was largely obsoleted when the new Merc crank in '49 allowed a cheap over the counter 4", and then 4 1/8 with the same labor as making the 3 7/8...
but stock car racer types with stroke limits frequently cut the big journal cranks concentrically (no change on stroke) in order to slightly cut friction, add a bit of safety, and lower weight of moving parts by using the small journal floaters. Just another old-timey mod trying to get the most with stock Ford parts and restrictive rules...

11-19-2015, 12:27 PM	#33
Bruce Lancaster Member Emeritus Join Date: May 2010 Location: Madison, NJ Posts: 5,230	Re: here we go again... does anyone make 3 7/8 The 3 7/8 stroker mod was largely obsoleted when the new Merc crank in '49 allowed a cheap over the counter 4", and then 4 1/8 with the same labor as making the 3 7/8... but stock car racer types with stroke limits frequently cut the big journal cranks concentrically (no change on stroke) in order to slightly cut friction, add a bit of safety, and lower weight of moving parts by using the small journal floaters. Just another old-timey mod trying to get the most with stock Ford parts and restrictive rules...