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Click on image for the lowdown. 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | The double fuel pump is an aux. vacuum source. You still should use the manifold vacuum for wipers.
George George is describing the GM/factory way. Other plumbing patterns could/should work. http://chevy.oldcarmanualproject.com/shop/1948_51truck/51ctsm0673.htm | | |
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