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Topics - garrywarber

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Coffee Shop / barter fairs/trade meets?
« on: November 07, 2012, 05:28:35 AM »
Are there any swap meets for this kind of mechanical stuff in Michigan, and if there are where and when are they?  Do they get posted here somewhere that I could check once in a while?

Briggs Flathead / Polish and REDUCE(?) exhaust outlet??
« on: November 05, 2012, 06:34:06 AM »
Parr-dune my ignoramusness, but I've read in previous posts a couple times that making the oppy threaded exhaust SMALLER(!) by putting in a 3/4" pipe nipple flush with the block actually INCREASES the amount of work (torque) the oppy puts out?  A low-rpm hard-twisting engine is what I want, thus my interest in the oppy twin.  This reduction is counter-intuitive to my understanding of port and polish, but I can take it on faith from wiser minds and do it if that statement is correct.  Any more I could do to make the oppy a strong-twisting low revving engine?  I have Don's DVD, and the oil mods are a must, as is adding slickeryness to the ports.  (man, would that reduction cause a poo-storm about pumping losses in my other engine groups...)

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