Quote:
Originally Posted by jerry shook
When you install an electric pump why do you leave the manual pump, is it just for look"s ?. Can you use the carter brand 2-4 psi sold by mac"s like the airtex ? Will it pump thru the manual pump if it stops ?. An if the electric pump stops well the manual pull thru the electric ?. Lot of questions i know but i am new to the v/8 flat head.
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The carter pump will not let the mechanical pump pull through it when the electric pump is off.
Two pumps is the principle of redundancy. The mechanical pump is used until vapor lock or fails when the electric pump is ready for back up. If only the electric pump and it fails you're dead in the water.