I believe the hole in the rod (early rods) was to squirt some oil to the piston
skirt for cooling. Ford deleted that later as it wasnâ??t necessary, at least
in their estimation. Iâ??ve â??re-shapedâ?? holes in cranks to match the oil
holes in the bearings but, drilling on a bearing would be sketchy, at least for
me. My instinct would be to use the bearings and cover up the hole in the rod.
Unless you can find bearings with the extra hole. Just my 2 cents.
> On Jan 31, 2019, at 3:37 PM, Joe Brown via Tigers <firstname.lastname@example.org>
> Sorry to keep bugging everybody. The piston rods in the 260 have an oil hole
> in the big end that gets covered up by a bearing. I bought a set of Sealed
> Power bearings and discovered that they do not have a hole that would allow
> oil to come through from the rod. I did some searching and it looks like
> some brands of bearings have a hole and some don't.
> I found the original Ford part number in the Tiger repair manual (C2OZ-6211-H
> or J) and when I Google that number I find a lot of hits for C2OZ-6211-R
> which shows bearings without holes. The exploded drawing in the Tiger manual
> looks like it is showing a bearing WITH a hole. I don't have the original
> bearings, so I don't know if they had the hole or not.
> Does anybody know whether I can use the Sealed Power parts or should I go get
> something with holes?
> Joe Brown
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