Bill,
Studebaker also used pins to keep the rings from rotating. I can
remember the vertical ridges left in the cylinder walls because of this.
Personally, I think that ring rotation is as much a problem as the
lining up of the ring gaps is.
Tom, Redding CA - #216 D/GCC
ardunbill@webtv.net wrote:
> With all the 'fury' in there, and nothing to positively locate them, my
> guess is they squirm and wiggle around a little, and it might vary from
> engine to engine, but would be inconsequential. This reminds me that
> the old Hudson Flathead 6s had pistons with pins through the ring
> grooves to hold the rings in one position. I speculate that the factory
> found early on that there was some pattern of distortion in their
> cylinder bores and it was better to keep the rings in one place after
> break-in. On the other hand, this meant all the ring gaps were in one
> place and one would think there would be a constant leak of high
> pressure and temp gases down this area. But the gap was very small,
> and, it worked for them for many years. Bill
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