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There are two (2) thermatic vacuum switching.
1977 CHEVROLET EL CAMINO
There are two (2) thermatic vacuum switching valves in the water jacket at front of the intake manifold. How do I differentiate between the two (2), also from what to what for what purpose?
Wednesday, March 20th, 2013 AT 5:02 PM
Here is for a 350 as you didn't state engine size a 305 will besimilar see pic. If anything different then get back to me.
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Wednesday, March 20th, 2013 AT 5:09 PM
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