Brad
The feature your referring to is I believe an oil return. It allows oil to
return through the piston instead of building up below the ring. Usually
there are holes on a relief below the oil ring. This sound like a variation
of that.
Gerard
At 7:46 PM -0500 6/7/01, Brad Fornal wrote:
>I found that the ring landing on the top compression piston on the
>engine I am rebuilding is bad. I came home and dug into the parts boxes
>of the last 1275 that a buddy and I pulled apart so he could see the
>innards. The ring landing on these pistons looks better,
>but............... there is are 4 strange notches milled into the
>pistons, two on each side of the pin, right below the oil ring. They
>appear to be some sort of diverter to oil the rod pin. I can send a
>picture to anyone that feels that they can offer up some enlightenment
>about these pistons, i.e. who made them, are they worth using, why the
>slots.................... TIA, Brad (one of the 3) Fornal
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