Thread: AC on GMC 270
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Old 07-31-2009, 11:04 AM   #2
hotrodsbyray
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Join Date: Feb 2007
Location: TN
Posts: 164
Re: AC on GMC 270

Just a thought - I have seen some carbs on several different brand vehicles [unfortunately with my memory i cannot remember which engines] that have a little solenoid connected in line with wire that kicks on the compressor. The solenoid has a little bracket and arm that bumps against the throttle arm and raises the idle speed when the compressor kicks on. When you throttle up above idle the little arm stays extended but since the throttle arm is up, it doesn't matter.

I may actually have on of those in one of my garage stacks of "stuff." If I do then I will just let you have it to see if it will fit.
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