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1977 Chevrolet El Camino Repair Question


Topics covered: Engine, Intake manifold, Jack.
Mileage: 185,000 miles.

Asked on March 20, 2013

Chevrolet El Camino Engine Problem

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?
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Answer

Replied on March 20, 2013

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.

Tiny Answered by hmac300 (expert)
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