I have a 78 Bronco with a 351M 400 6.6 Liter. I want to replace my mechanical fuel pump with an electric one. can I just re-route the fuel line to a pump on the fire wall and leave the old one in place, or is there some type of adapter plate I can mount on the block to replace the manual pump? I believe the cause of my engine vapor locking is my fuel pump and I could use the security of having an electric high flow pump.
Had the same problem with my 79 400 bronco. The cause was the metal line that ran from the fuel pump to the carb. It ran along the front of the intake manifold and wold vapor lock periodically. I just slipped a piece of rubber fuel line over the metal one for insulation. Some people clip 4or 5 wooden clothes pins on it to dissipate the heat. You could use the clothes pins to see if that solves the problem, and then go through the trouble with the rubber hose. If you go through with the electric fuel pump, i would buy a blank off plate for the current mechanical fuel pump location. This will eliminate the extra drag of the fue
l pump lever and the extra weight and engine bay clutter. Most aftermarket fual pumps have instructions for installation So just follow the instructions for carburated engine. I also like to install a inline fuel pressure gage for future help with diagnosing problems.
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