In life what is?

Grind undersize.....can kinda make a little bit of a stroker, have hard chromed .010 larger than you need, have reground to size. it won't be cheap but it's the only way I know how to do it.

We used to hard chrome clutch drums.......it's harsh but held up well.

Should be a 5/8" straight shaft. You can bore a Horstman mac clutch to size, rekey it and make spacers to take up the end play, or look for NOS clutches. Have you tried COMET Insustries? Not Comet kart Sales but the clutch manufacturer. They have a great web site. maght take some work but should not...

Can't you fit the stuff in a minivan?

Thanks Louie My head knows what my fingers can't say......

WB is a loop scavenged engine. Mac's and all foreign engines are scavenged engines. Please don't ask me to describe it. Get a book adn read about it.

Well if you don't want to build a trailer and pull it to TBo with your kart.... why don't you check in to renting a minivan?

Steve.... as we have both spent a large part of our lives thinking about how to make a 2 cycle engine run faster what did you think of the mid 80's Vevy pipe? Also I ran Mako pipes from Al Nunly for a lot of years and still have them. I liked his theory's and it was understandable. We ran a SM on a ...

Gordon Jennings, Roy Bacon, John Robinson and A Graham Bell. They ran long stingers into the belly of the and even ran them out the side of the belly. Remember most all info you find is bike related and the WOT / driveability is much different. I used to really be into this stuff in the 80's & early...

Stingers that extend to the center of the chamber at the largest diameter were trying to keep noise down. The working pressure in the system is lower there.......but it didn't work well.