Team Camaro Tech - View Single Post - QJet Experts: Need pictures or help with idle vent valve
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post #4 of (permalink) Old Sep 2nd, 14, 02:04 PM
dyno jonn
Senior Tech
Join Date: Dec 2002
Location: back in the Hew-Hess-Hay
Posts: 5,879
Re: QJet Experts: Need pictures or help with idle vent valve

Originally Posted by RSSSfanatic View Post
.....To add to the confusion, I read that some models have a thermostatic bi-metal strip that is supposed to open the valve at temperatures above 75*, and the rod is supposed to close the valve for off-idle operation.
The bi-metal strip on my 67 327/275 was on the back (rear) side of the carb, facing the distributor. It was covered by a stamped metal piece that screwed to the rear of the carb. Overall, the stamped piece was a rectangle and was mounted long side up and down. You can see where I'm describing in the picture below. I believe the wire rod you are describing is used on the bowl vent on the top front of the carb and has nothing to do with the temperature sensitive vent.

Jon N

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Last edited by dyno jonn; Oct 13th, 14 at 02:31 PM.
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