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Join Date: Mar 2020
Posts: 33
thermo valve

I am rebuilding my 2.7 s engine. But i just cant find a diagram that fits the vacuum system. i have one vacant port on the back side of the throttle hose and 2 on the front. I
I have drawn a diagram of what mine looks like.




Old 11-09-2020, 02:39 AM
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Join Date: Mar 2002
Location: Philadelphia, PA
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CIS components.........

Mike,

The first diagram is the pear shaped decel valve. That is not a pressure regulator. Use the published diagram used for ‘78~’79 SC except the connections to the WUR. Revise the connections for the WUR base on the actual locations of the vacuum port and vent accordingly.

Tony
Old 11-09-2020, 04:37 AM
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Reference diagram........

Mike,

Search for the post by AFB24911S . The vacuum diagram is for ‘78~’79 SC and the only difference would be for the WUR. You could use this diagram for the decel valve vacuum connection.

Tony

Old 11-09-2020, 02:09 PM
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