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  1. #1
    Join Date
    Oct 2008
    Location
    Kitty Hawk, NC,
    Posts
    18

    Default I am installing Carter marine

    I am installing Carter marine electric fuel pumps on my 1972 LM318's. Where can I connect the 12V leads so that the pumps run when the ignition key is turned to the on position? The pumps are located near the distributor. Thanks!

  2. #2
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    15,263

    Default "Use the feed to the ballast r

    "Use the feed to the ballast resistors. Either that, or run a new wire from the ignition switches.

    Note: You need to run the pump power through an oil pressure switch that cuts the pumps off when the engines aren't running. This is both USCG required and an important safely issue.

    Jeff"

  3. #3
    Join Date
    Oct 2008
    Location
    Kitty Hawk, NC,
    Posts
    18

    Default Fastjeff: Thanks for the repl

    Fastjeff: Thanks for the reply. I'm glad you brought up the USCG shutoff. That makes excellent safety sense and I had not considered it. I'll wire them up accordingly. Thanks again!

  4. #4
    Join Date
    Sep 2008
    Location
    Brisbane Australia
    Posts
    135

    Default "Mike what model carter are yo

    "Mike what model carter are you installing? I am looking at replacing a mechanical with p4600hp. I looked at Jeggs, for interest, and can buy in Australia for about the same price post currency conversion [ no factoring postage ]. This price similarity is not common. Usually US less than Australia."

  5. #5
    Join Date
    Oct 2008
    Location
    Kitty Hawk, NC,
    Posts
    18

    Default "I bought mine on ebay last fa

    "I bought mine on ebay last fall. Paid around $70 each new. They do not have a carter label on them but were advertised to be exatcly the same so I can't give you a carter model number. Follow this link to see what mine look like: http://cgi.ebay.com/ebaymotors/MARIN...ssoriesQ5fGear. The price has gone up considerably!"

  6. #6
    Join Date
    Jul 2006
    Location
    Redmond, WA, USA
    Posts
    216

    Default "Why not stay with the cheaper

    "Why not stay with the cheaper and more reliable stock mechanical pump? Why add a bunch more parts that can fail (oil switch, relay, wiring, etc)? I have always carried a spare stock pump but never needed it.

    Dan"

  7. #7
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    15,263

    Default "Dan: The reason is that, l

    "Dan:

    The reason is that, like me, he's sick to death of having to crank and crank his motors to get them to start (after sitting a week--a common marine engine problem). With electric pumps--properly set up!--one can wheel the motors over a few times to make damn sure there's no water in the cylinders, then hit a momentary button to energize the electric fuel pumps directly. After 5 or 10 seconds the carbs are now full and the motors start right up! Beautiful.

    Jeff"

  8. #8
    Join Date
    Jul 2006
    Location
    Redmond, WA, USA
    Posts
    216

    Default "Thanks for the info, I was wo

    "Thanks for the info, I was wondering why anyone would convert. Are your carbs leaking dry between use? My engines only have to crank for maybe 10-15 seconds even after an extended sit and that just gets the oil pumping.

    Dan"

  9. #9
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    15,263

    Default "I have two new Edelbrocks yet

    "I have two new Edelbrocks yet they do it every time--and even if I run the motors for a few seconds after they cool down, but before leaving the boat for a week. Very frustrating.

    Jeff"

  10. #10
    Join Date
    Sep 2008
    Location
    Brisbane Australia
    Posts
    135

    Default "I have only one engine. Start

    "I have only one engine. Starting procedute is as follows. 1. remove flame retarder. 2. diss engage auto choke. 3. prime carbie with fuel. 4. repossion flame retarded correctly. Crank over. Repeat untill motor stops starving of fuel and stays running. Usually on 2 / 3 rd process. I have no objections to doing this [ SAFETY }.. The motor is on idle arround 650 RPM. and runs like a sewing machine. Just the same after a run, i sit the motor in idle for about 3 / 5 minutes for it to settle down and relax. Motors are no different to us HUMANS. We cause about the same number of problems. Frederick."

  11. #11
    Join Date
    Sep 2003
    Location
    New Tripoli, PA, USA!
    Posts
    15,263

    Default "There you go! Obviously, your

    "There you go! Obviously, your carb is dry empty as well. Weird. I'm tempted to plug the exhaust crossover passage under the carb and see if that helps. Chryslers seem to suffer this BS more than Chevies.


    Jeff"

  12. #12
    Join Date
    Mar 2008
    Location
    Bruford SC , U.S.A.
    Posts
    324

    Default "Could that be an Edelbrock is

    "Could that be an Edelbrock issue....?

    My old Holley sits for weeks and one or two pumps and it fires almost instantly.

    Now that I said that........

    Jack"

  13. #13
    Join Date
    Sep 2008
    Location
    Brisbane Australia
    Posts
    135

    Default "Mine is an old two bdl carter

    "Mine is an old two bdl carter. The problem occurs if prolonged sitting, In constant use i have no problems. Still like to start without auto choke engaged."

  14. #14
    Join Date
    Oct 2008
    Location
    Kitty Hawk, NC,
    Posts
    18

    Default "I got my electric fuel pumps

    "I got my electric fuel pumps installed. Did not know that they had to be mounted with the ports down and the cannister up. I had them mounted sideways to fit where I wanted them but this caused erratic fuel flow and led to the engines stalling out. Also, had to prime them to get gas flowing. They work great."

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