In a message dated 12/1/2004 1:50:02 PM Pacific Standard Time,
shifty@shiftco.com writes:
posted an update on the rat project - the new stuff starts with the
"head" link from this page
http://www.shiftco.com/features/the_rat/index.html
I have a few questions about carbs for a '68 1600:
The rear carb should have the anti-flowback fuel valve? (car has a fuel
return line)
Yes, it is actually a thermal return valve. When it gets hot it bleeds a
little fuel back to the tank to reduce vapor locking.
The rear carb should have the vacuum fitting, correct?
Yes
I know that the choke lever pulls the metering nozzles down and also
opens up the butterfly valves a bit for starting. Should the butterfly
open enough to expose the vacuum hole? Any way of measuring this so
that I can make both carbs open the same amount?
The vacume port will be uncovered. To measure take small drill bits and
slide them in the space between the butterfly and the body. The bent wire link
on
the side of the carb can be tweaked to adjust the opening.
Thanks everybody!
Leigh Brooks
NWDE
Seattle
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