Re: 1951 super

Jim Bollman

I have seen the HC stamp but would guess the 10 is 10:1 compression Quicksilver just like your HC since it has the Vitameter bracket still attached.

On Dec 10, 2019, at 8:03 PM, Steve Olinger <olinger@...> wrote:

       I also have a 51 supersports that has the vitameter injection. It has HC stamped there. What I can see on your engine looks like 010 maybe a rebuild with 010 under bearings or 010 overbore? I would love to see a photo of your bracket. Steve

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