When we redo the top end (BTW, you did use a hone to break
the cylinder glaze, didn't you?) we like to put the engines through
three or four heat cycles. That means bringing them up to normal
operating temperature, and letting them cool completely in between.

We don't usually let them idle, though, just a little low rpm revving,
between probably 2 and 4K rpm. When heated, we rev up a time
two to more like 9000, on the second heat cycle. After four heat
cycles, we just take the kart out and run it. That's the fun part!

Alan

In a message dated 7/11/2007 5:54:43 P.M. Eastern Daylight Time,
boxsterracer139@... writes:

Ok apparently I didn't try to start the kart enough times or I
flooded it and it started fine the other day. Cool. So I let it idle
at about 1500-2000 RPM I'd guess for about 10 min.

What do i need to do now to break it in properly?

I got an autocross in about 2 weeks so I got some time to get it done,
but I want it done right. Coming from stock class cars to this I have
no clue what I'm doing. :)

Thanks again guys, I appreciate all the help.

David






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