Mechanics

CHEVROLET EL CAMINO ENGINE PROBLEM

1977 Chevrolet El Camino • 185,000 miles

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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Guest
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.


Hmac300
Mar 20, 2013.


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