eyebrows

Hi all, I recently got into a heated debate with a guy that says shaving the eyebrows on a briggs 5 hp will decrease performance. Now I understand enough to do a few things on my engine, and I was under the impression that it helps with flow at the cost of compression ratio being reduced...

Did I go to far?

Hi all, I'm working on an 8hp IC. I have smoothed out all of the edges in the combustion chamber, but I'm not sure how to go about grinding round the edge of the cylinder where the iron sleeve meets the block. Could it cause bad things to happen if I start grinding lumps out of the sleeve? My...

I am in the process of rebuilding a briggs 3 hp. I need some more info on shaving the eyebrows and port and polishing. Where do I polish and what do I leave alone? Where are these eyebrows...? what do I use to polish with..? I have a dremel but what do I use...? I think I would benefit from...