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World's cheapest carb
balancer by Ross
Kowalski
There is an article around on the internet about a $2
carb balancer. I built one but never used it because the
carbs didn't have vacuum nipples on them. I drilled a
couple holes in the carbs on the vacuum side of the
slide, connected some heat proof teflon tubing to the
fittings and ran them to the sides of the balancer. The
balancing went something like this.
1) Ran the engine to operating temp.
2) Checked the mixture setting screws.
3) Turned the throttle adjusters on the top
of the carbs all the way in and lightly thightened the
locking nut (to avoid air leaks)
4) Adjusted the balancer for equal vacuum
with the idle screws
5) Took most of the slop out of the throttle
cables
6) Adjusted them for equal vacuum at speed.
7) Rechecked everything.
8) Put covers on the vacuum nipples.
It was fairly painless. If I didn't have the teflon
tubing and fittings on hand, they would have cost maybe
$5 but it is a good idea as cheapo vinyl tubing that
close to anything hot is not a good idea.
The balancer works just as described in the article.
I also used a lot of fluid, the extra weight makes the
whole thing act more slowly and thus easier to read.
Best,
Ross |