ConcoursMustang Forums

1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1970 Mustang => Topic started by: Blues Power on September 11, 2023, 03:00:46 PM

Title: Electric Fuel pump for an emergency
Post by: Blues Power on September 11, 2023, 03:00:46 PM
If my mech pump goes bad can i splice in an electric pump to the inlet side of the existing pump with ground and a wire to the bat just to get me home.
or will i need a return line

at best i go about 25 miles from home. just looking to limp if possible

I can keep an spare mech pump in the trunk but will be hard to do road side on a hot motor and PS pump will need to come off (351C)
Title: Re: Electric Fuel pump for an emergency
Post by: krelboyne on September 11, 2023, 03:35:04 PM
Maybe.
Electric pumps push liquids. Should be nearer to the fuel tank. Might get you home, but carburetor may be starving for fuel.
Title: Re: Electric Fuel pump for an emergency
Post by: 69GT350H on September 11, 2023, 06:00:12 PM
You would also want to get one with a low PSI rating so you do not push fuel past the carb inlet valve and flood the carb/engine. Most carburetors are designed to work best at fuel pressures between 5 and 7 psi.
Title: Re: Electric Fuel pump for an emergency
Post by: jwc66k on September 11, 2023, 08:17:55 PM
If you've gone this far, get an adjustable fuel pressure regulator. I used an electric fuel pump on my VW powered sand rail for years with a regulator. The engine originally was a 1600 CC 1971 case, modified with a 92MM bore kit and 82 MM stroke (1968cc = about 100 Ci) with a pair of 4DCN Weber carbs - plus other goodies.
That's me and "Crazy Nancy" at Pismo.
Jim
Title: Re: Electric Fuel pump for an emergency
Post by: Bossbill on September 11, 2023, 08:39:19 PM
https://napa4003wix24003.com/products/electric-fuel-pump-universal-2-5-4-psi-inline-fuel-pump-heavy-duty-low-pressure-12v-electric-fuel-pump-e8012s-hep-02a-fd0002-p60430-ep12s-6414671-for-petrol-diesel