There are two pistons. One for the carbs with the guide pin on the side and
one for the carbs with the guide pin on the front. You may have mismatched
carbs on the car. Remove the domes and pistons and check the carbs to see
where the guide pins are. The little rubber bumper on the face of the pisto
n should rest on the high area where the nozzle comes through. If it is
toward the front or back then you have the wrong piston.
If after sorting through your carbs you find you have an incorrect one I do
have some extras.
keith williams
ccfcccs
_http://www.clarkcountyferalcats.org_
(http://www.clarkcountyferalcats.org/)
b If Not Us, Then Who? If Not Now, Then When?b
In a message dated 8/21/2009 1:55:55 P.M. Pacific Daylight Time,
dboerst@yahoo.com writes:
Well well well,
Here's a new one for me. I replaced all the distributor parts, nope not
that. Checked carbs seemed fine. Took off air cleaner and with the car
running tried moving each choke/power piston. One was stuck. Figured it was
from
old gas. Cleaned it and it moved freely. Fired the engine and it stuck.
Then decided to swap choke/power pistons and the other carb the piston stuck.
I examined each piston and they ARE different. I looked at my 1969 and 1970
1600 and one of the 1966 pistons were like the 69/70. There is a hole in
the bottom of the piston but in different spots. For an experiment I put a
small piece of gas resistant tubing where the is a actuator for the piston to
hold it up so it(piston) does stick from the vacuum. starts instantly
every time. Hows that for a weird one. Anyone have or know where I could get
the correct piston? 1966 1600 engine with 610A carbs. Thanks
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