Re: Rod bushings

In Reply to: Re: Rod bushings posted by BW on December 11, 2020 at 15:26:11:

Assuming you have new pistons and pins new bushings would be in order.

A lot depends on how much undersize the new bushings are right out of the box and how much material you have to take out. If its just a few thousandths then a $20 ball hone in your drill press will get the job done (see video link), If it much more than that I would use the drill press and a fixture to first ream to rough size (.001/.002 )undersize and finish with the ball hone.

The idea is the hone isn't being used to take out much material. Alignment is not going to be critical if you have them square and sized close to start off. This video shows a professional engine shop honing rods on a "high dollar" Sunnen rod hone. At about 50 seconds in you can see them doing the small end bushing. Hardly a precision alignment - all they are doing is fine tuning the final fit ;-)

Honng Connecting rods

TOH

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