1936 C30 fuel pump issues


The place to put your 1940 and older "Build Off" story.

Rookie
Rookie

Posts: 5

Joined: Sat Oct 01, 2016 4:13 am

Post Fri Aug 26, 2022 8:41 pm

1936 C30 fuel pump issues

I run my truck infrequently and it always needs priming to get it started. Does anyone know a simple way to prevent the fuel draining back to the tank? TIA.

Golden Jubilee
Golden Jubilee

Posts: 5170

Joined: Thu Nov 29, 2012 9:28 pm

Location: Lyman, IA

Post Sat Aug 27, 2022 2:28 pm

Re: 1936 C30 fuel pump issues

The problem is more likely the gas we have today. It is formulated for closed, pressurized systems, and to vaporize quickly. The gas just turns to vapor when sitting in these old "open" systems..
My truck will hold a "prime" for about 5-7 days, after that it needs a longer crank or a shot down the carb.
A priming pump is about the only answer, but if you use it infrequently, just prime it when you want to start.

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