Topic: Flat head crank bearing question

[skyguynca]

I am new to the forum and taking a vertical 14hp 400707 and flipping it to horizontal, making some breathing mods and a new rear plate to support the crank aft bearing surface and cam bearing surface.

My question is, I believe I had read somewhere on this forum that the 40 or 42 cube crank plain and DU bearing crank that he ball bearing would fit the crank?
Is that right?
Also I have gone over all my engine parts, some say 40 some say 42, I can not find anything on my crank to identify it, can someone help?

Oh and yes I have ordered Don's opposed twin DVD

Thanks
David
San Jose, CA

[Darkviper]

My buddy is doing the same thing but he's puting a avs pan on a non avs block. He's maching the avs pan out since its thicker and is putting a needle bearing in it. I hope this helps.

[BIG AL 202]

I DO BELIEVE YOU HAVE TO DO SOMETHING WITH THE OILING SYSTEM. WHAT CLASS ARE YOU RUNNING BECAUSE THAT WILL MAKE A DIFFERENCE ON WHAT YOU CAN DO. THERE ARE HORIZONTAL OPPYS OUT THERE YOU MY BE BETTER OFF TRYING TO FIND ONE.

[skyguynca]

This is for a special power project. Not racing.
The 14hp meets weight and power needed for my project.
It is a sling oil engine, and there are ac ball, and deep groove ball that will work
I was just wondering if anyone knew if Briggs bearings for the 12.5 or 14 (both use same parts different cranks and cam)
would fit the plain bearing cranks.

Thanks
David
San Jose, CA

[BIG AL 202]

CAM AND CRANK ARE INTERCHANGEABLE.