1976 GMC vacume diagram

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Thanks for the diagram, but its the same one I have in my book. There must be a different one for Ca. with a integra head. Its not showing all of the vacume ports. Any more ideas? Hope you can help (1976 GMC Sierra 15
250 eng. 1 barrel carb.) Thanks Bear

posted by  Bear

if your model is heavt duty then these wont work either

posted by  osborste

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