How to install a fuel pump on a 454


















I was able to look it up in both catalogs. Mine was a Carter It crossed to Airtex and Master They certainly are for Mercruiser. At least that's what they told me when I called them! That part number may also be yours. Their catalog indicates fits Mercruiser Marine-all models 7. Click to expand Just out of curiosity, is there any advantage to an electric fuel pump over the mechanical pump? I am not sure there's a large advantage of one over the other. Both have their advantages.

Electric pumps usually required for any fuel injected engine. They're probably not really necessary on a carbed, stock engine. I think Mercruiser and others have kits for replacing a mechanical with an electric pump. It's fairly expensive and IMHO not really necessary. Don S Honorary Moderator Emeritus. Joined Aug 31, Messages 62, Don S said:. Nordic just put in another mechanical fuel pump on my recently.

I asked the same question. They recommended that I stick with the mechanical pump. Joined Jan 26, Messages 2, Reaction score 3, Gen V , Berkeley drive, have had a Carter electric fuel pump on it since It has been replaced about 5 years ago. Joined Mar 24, Messages 1, Reaction score I feed 2- cfn Holleys on an with 6 lbs of boost with a red Holley which feeds a fuel log off of a stock mechanical pump.

System only puts out 4. This is how Teague runs their stuff. Check their tech section on their website. Joined Jun 9, Messages 1, Reaction score 1, I converted to an electric pump on my stock merc setup a few years ago.

Long story but we thought there was an issue with the shaft driving the pump due to finding fuel in it and the problem ended up being a piece of wood caught in the fuel line. It cranks a lot quicker and still has good pressure on the big end. I will say this if you do go with electric put an inline filter before the pump. It will last a ton longer. Hope this helps. Joined Aug 18, Messages 2, Reaction score 4, I run a clay smith mechanical in parallel with a malleroy electric to a manifold, then through a pair of regulators to a pair of quick fuels on my deal.

Sent from my iPad using Tapatalk. Click to expand WaterMike said:. Did they give a reason? Thanks for the replies from everyone. For now I am going to just replace the Mechanical pump again to get the boat going. I am going to do some more research and try the conversion this winter when the shops are slower and not back logged for weeks like they are now.

Thinking about the excessive cranking at start up, it may have gotten worse with the pump leaking and draining all the fuel out of the line from the pump to the carb. A situation you want to avoid at all costs, via Rui Fernandes. Electric fuel pumps are reliable. Heck, every new car has one! Avoid the following mistakes that kill electric fuel pumps and you should be OK:.

Have you done this swap?



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