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  • Originally posted by deminimis View Post
    Man, I really don't know. The only reason I'm familiar with the Airtex E2044 is because of the hard work done by others before me. All I did was check automotive application for that pump (and some cross apps) and some others mentioned (the E2044 is used on Ford V-8s whereas the E2065 is used on 4-bangers). Your pump is listed for a 1994 Ford Escort with a 1.8 engine. It crosses to the Airtex E2065, which several have used on here without issue, but again, its a pump used for little engines, not V-8s. Whether that will prove to be an issue down the road, er waterway, is anyone's guess. For my piece of mind, I want a pump designed for V-8s as that's what we're running in our crafts.
    When you cross reference the carter you get the ac delco ep356, when you cross reference the ac delco ep356 you get a airtex 2064 - 2065.

    i have run the ac-delco for almost a year, boat broke down, i thought it was the pump again only to find out it was a relay switch, so now I am running the airtex 2065, have not had any troubles with either one......i now keep the ac delco in the glove box
    2007 X2 - Current
    2004 X10 -Sold
    1997 ProStar 190 - Sold
    1993 ProStar 190 Star & Stripes - Sold

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    • Originally posted by wheeler View Post
      Not sure if it matters, but did you notice that the maximum working pressure for that line is 17psi???

      These pumps that we have been posting about put out in excess of 60psi.
      Yea, its just to be used as a possible spacer to fit the 5/16 hose to the 1/4 barb. It would ne clamped, so not subject to the fuel pressure as if it was being used as fuel line.
      Nevermind the Bollocks, Here's the XStar

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      • this is a great topic. I ran my boat today and had hesitation issues. I suspect the generic hose is leaking. I do not suspect that it is the pump, only because the in the initial fix the boat ran great at full throttle and all areas in between.

        I picked up the 30r10hose at Napa today and the FI clamps. Hope this solves it. The only concern is that this hose is much thicker than the prior hose. I wonder if it will inhibit the ability of the outside container (that surrounds the fuel pump) to move up and down. If so, is this really a concern?

        If my thought process is flawed in regards to the hesitation issue, any insight would be great.

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        • Today I've changed the fuel pump on my `07 RTP. Thanks for all your input here, it has been really helpful.

          Just a question, did you read through the instructions on your new pumps? Mine clearly says not for marine or aircraft use.

          I'm a llitle worried as the pump is inside the tank. Marine alternators and rest of engine "attachments" are spark protected due to gas condensation explosion danger in a closed motor compartment.
          What about these automotive fuel pumps? Is my boat going to explode now?

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          • Over two years now and no boom!
            It is still a fuel pump that is designed. to be used inside a fuel tank.
            I believe that the reason for the caution on the pump is due to the fact that the part is not approved by the regulatory bodies governing both the marine and aircraft industry.
            You are good to go, don't worry.
            sigpic
            04 197 TT LQ9 stargazer w/Z-Box
            Tournament PB 1/4 buoy @ 35 off
            Previous...
            96 Prostar 205 Lt1
            93 Prostar 205 HO
            81 Leaves and stripes(Can. edition)

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            • As far as pump specs go, I put(over two years ago) the 2065 in my boat with an LQ9 6.0.
              The specs for the pump, no matter what application they go in, are as follows:
              45 [email protected] max psi.
              I checked with Enginenut, who at the time and may still work for Indmar and he confirmed that that pump had sufficent capacity for my 6.0 liter motor.
              sigpic
              04 197 TT LQ9 stargazer w/Z-Box
              Tournament PB 1/4 buoy @ 35 off
              Previous...
              96 Prostar 205 Lt1
              93 Prostar 205 HO
              81 Leaves and stripes(Can. edition)

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              • Thinking of buying a spare. I've read all the threads and can't tell for sure, is the ep356 the right pump for an '02 LTR (330HP)? I'm 99% sure it is but I saw one post about a '99 and one about an '01 that said the pump wasn't the right size and so the mounting bracket wouldn't hold it in place right, so I'm not positive.

                Also, I guess there's no new news on finding a replacement hose? I'd actually like to proactively replace my pump so I don't have to worry so much about the 1/4 tank rule but it appears there's some risk in damaging the hose and causing a bigger problem than I'm solving.
                2002 X-Star
                http://www.nopowerturns.com

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                • Originally posted by nmcjr View Post
                  Thinking of buying a spare. I've read all the threads and can't tell for sure, is the ep356 the right pump for an '02 LTR (330HP)? I'm 99% sure it is but I saw one post about a '99 and one about an '01 that said the pump wasn't the right size and so the mounting bracket wouldn't hold it in place right, so I'm not positive.

                  Also, I guess there's no new news on finding a replacement hose? I'd actually like to proactively replace my pump so I don't have to worry so much about the 1/4 tank rule but it appears there's some risk in damaging the hose and causing a bigger problem than I'm solving.
                  I think the EP356 and the Napa NPF F74111 are both good numbers. The Napa list at $82 while the EP356 is $129 at Napa.

                  I'm going to pick up the F74111 and put in the boat tool box.


                  I do have a question for anyone that has done the swap. Since I have not taking my pump apart can someone list the tools need to do this job? I was thinking of putting a spare set in the boat so if I needed to do this on the water or at the ramp I'd have all the tools in the boat.
                  -Tim

                  Making boomers great again!! Boomin'

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                  • Originally posted by CantRepeat View Post
                    I do have a question for anyone that has done the swap. Since I have not taking my pump apart can someone list the tools need to do this job? I was thinking of putting a spare set in the boat so if I needed to do this on the water or at the ramp I'd have all the tools in the boat.
                    I'll try to remember to document this when I do mine.

                    Edit remove: Also, I found this 1/4 fuel line....

                    Edit: now that I look at it closer I'm guessing its not for high pressure so probably not....
                    Last edited by nmcjr; 02-17-2011, 12:18 AM.
                    2002 X-Star
                    http://www.nopowerturns.com

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                    • Check out Fump 101 in maintenance section or here is what I did.

                      Here is some additional information that some might feel helpful:

                      1. I made this plate out of 1/8' aluminum to block off the tank while I was working on the fuel module. This is now stored in the tool kit in the boat so that if I need to replace the pump while on the water I can put the plate on to keep fuel from spilling out of the tank.
                      2. I found this nylon 5/16" fuel line hose at Napa part #730-5613 it comes in a 10' roll for around $15. I tried some other lines that seemed to kink too easily, this line will still kink as it took me 2 tries to get it in but it does seem to be more robust and since it is packaged in a roll it already has some bend to it.
                      3. I suggest cutting a 12" section of hose, this seems to be just enough to still be able to fit into the module. To flare the end to fit onto the pump side you can either boil the hose in water for 10min. or use a heat gun, after it is hot slide the tip of needle nose pliers into it and expand the pliers to create the flare.
                      4. The trick to not kink the hose while installing it into the module is to create the loop before you slide the pump and hose assembly into the cup of the module. If you try to create the loop after the pump is already installed you are more likely to kink the hose.
                      5. I tested this setup this past weekend fuel pressure held solid at 571/2 psi at all RPMs. Solid performance. I still need to find a new seal for my pump head, hopefully I will come across an old module before next season.

                      I cannot guarantee that this nylon hose is the correct stuff and if anyone would like to add to this I would appreciate it. I also have the APE hose on order and will keep it as back up once I get it.
                      Attached Files

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                      • Originally posted by CantRepeat View Post
                        I think the EP356 and the Napa NPF F74111 are both good numbers. The Napa list at $82 while the EP356 is $129 at Napa.

                        I'm going to pick up the F74111 and put in the boat tool box.


                        I do have a question for anyone that has done the swap. Since I have not taking my pump apart can someone list the tools need to do this job? I was thinking of putting a spare set in the boat so if I needed to do this on the water or at the ramp I'd have all the tools in the boat.
                        I put together a spare kit for my boat. I bought the fuel hose that was listed in the fuel pump 101 thread. One end is too big and will need to slide over the very end of the old fuel hose if the old one cannot be reused. A tight clamp will hold it on there just fine, IMHO.
                        Be excellent to one another.

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                        • I did mine last weekend. My old one hadn't gone out yet, but I figured it was just a matter of time. I'll have a lot better piece of mind with the Delco pump, and probably won't even worry about the 1/4 tank rule so much any more. It was pretty easy, and I was able to re-use the factory tube with no issues. The only hard part is getting the pump and the braket seated upon reassembly inside the module, but even that wasn't that bad. I don't think I'd do it on the water because you will have the top of the fuel tank exposed so any waves and you'd be spilling fuel.

                          List of tools needed:
                          -3/16 allen for the module
                          -I replaced the gasket and bolts
                          -1/4 hose clamp
                          -flat screwdriver for clamps
                          -#2 phillips screwdriver for module
                          -spare 1.25" hose clamp for vent hose
                          -side cutters to remove factory clamp on the hose
                          -fuel line fitting tool
                          -very small flat screwdriver to remove electrical terminals
                          -bucket to place the module in to remove from boat (its full of fuel)
                          2002 X-Star
                          http://www.nopowerturns.com

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                          • Hi All,

                            Thought I should share my experience.

                            No probs for me with my boat (PS190 - 2004 - MCX). But because I could not fill the tank complete, and filling is going much to slow, I decided to take a look in my tank. Annoying too is that the engine is stalling with the tank 1/4 full.

                            Took the pump unit apart, and noticed a Bosch pump. I wrote down the numbers and it appears to be a Bosch # 0 580 453 507.
                            So, I decided to surf a little and look if I could find me some info for this pump. Surfing on the net I bumped into this tread. Reading a little, I see replacement pumps with 45-60 psi, what is 3 - 4 bar, and about 95 liter/hour = ± 24 Gallon/hour (?).

                            Can you imagine how surprised I was finding out that my (little) Bosch pump is only 22 psi (1,5 bar), and 95 liter/hour.
                            Actually I am worried now, reading all these horror stories. But strange enough, I have the boat with this pump for two years now, and absolute no problems..... starting cold/warm no problem, WOT no problem, never any hesitation....

                            This Bosch pump is normally installed in little four cilinder cars, with a whopping 1,400 cc displacement, and now feeding my MCX. :-)
                            Boat did 64 hours now with me, and maybe more with the former owner. Bought the boat with 480 hours in Austria.

                            I do not know if I shall replace my pump or not. Is here anybody who has fried some pistons due to fuel problems?

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                            • If your pump only has 22psi, I would replace it.

                              As a side note: my re-use of the old hose wasn't a success. I must have a leak in that hose, I'm assuming where it connects to the pump. It is causing an extended crank problem, although it ran fine at full tilt. So, I've got to work on a plan B for that hose.
                              2002 X-Star
                              http://www.nopowerturns.com

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                              • A sight update on recent pricing. I decided to finally pick up a spare Delco EP356 as a spare. Got it off Amazon for $103 shipped. Have the Airtex in the boat now which is working fine after replacing the original in July but didn't want to chance going out in the big lake or on vacation without a spare. My original hose seems to be working fine but wouldn't mind picking up a spare if anyone comes up with the definitive part number. Is anyone else carrying a spare tank gasket?

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