F-12 High Compression Piston Question??

Posted by Mike Androvich on November 25, 2003 at 14:35:54 from (24.50.141.187):

I am rebuilding a F-12 engine and since the original pistons were bad, I decided to install a set of high compression pistons I had laying on the shelf. My question is which way to put them on the rod? The tops of these pistons have a sloped side and a notched side. Which side towards the spark plug? The sloped side makes the piston stick above the top of the block and the notched side puts the top of the piston flush with the top of the block. I would assume the notched side would be towards the plug, which gives a larger ignition volume, but I am not sure. Anybody out there know which way? Thanks a bunch!

Follow Ups:

• Re: F-12 High Compression Piston Question?? Farmall Daddy 13:39:57 11/26/03 (0)
• Re: F-12 High Compression Piston Question?? Karl Olmstead 12:16:17 11/26/03 (0)
• Re: F-12 High Compression Piston Question?? ET 08:07:39 11/26/03 (0)
• Re: F-12 High Compression Piston Question?? justin 16:09:36 11/25/03 (1)
  • Re: Re: F-12 High Compression Piston Question?? Mike Androvich 19:24:19 11/26/03 (0)

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