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Thread: ZD30 Lift Pump Mod

  1. #11
    How's the serenity boots's Avatar
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    Done the return line mod on mine years ago thanks to you fletch . Worth while for sure.
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  3. #12
    Legendary 4bye4's Avatar
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    Quote Originally Posted by Hodge View Post
    I've been looking into this and doing some homework. So when you say it's working "all" the time, I'm assuming this cuts out once it reaches max pressure build-up ? Even if ignition is on, but car not running ?
    So in a nutshell, these have a cut-out pressure switch or something built-in ?
    All the pumps I have used at work do have a pressure cut out. We use them on small motors mounted on the back of trucks to power auxilary machinery. If you didn't have a cut out in this situation, they could flood the carby which is fairly basic on some of these small motors.
    2005 GU IV ST 3.0. Snorkel. Roof rack. Awning. Spots. Welded I/C. Dual batteries & VSR. UHF. Barn door hinge extension. Roof top spot lights. Rear drawers. 2" lift. NADS. EGT and boost gauges. Trans temp and water temp gauges. Provent 200 catch can. Rear ladder


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    Hodge (23rd March 2015)

  5. #13
    Legendary big_fletch's Avatar
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    Quote Originally Posted by mudski View Post
    Hey'ya.
    What size fuel line did you use? How much line you reckon we need for the job? And what size is the T at the motor?
    If I were to do this I just want the shopping list ready so I don't get caught out not having the right parts on hand.

    Edit : That T at the motor looks to be two different sizes mate. Adapted down to suit the small return line hose. Do you remember what sizes they are?
    Hey mate the fuel lines are 3/8 I believe for the main tank feed up, I used about 3.5m total for re-routing the lines at the back for the pump and replacing all the lines at the front. The small hose on the t-piece is the spill line and is 3/16 fuel hose. The return hose that the spill line is teed into is 5/16.
    The return and spill lines you will probably only need about a foot or so of hose. I just got all my fittings from enzed in town
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    Dont own a Patrol or any 4WD at the moment, hopefully will change into the future

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    mudski (24th March 2015)

  7. #14
    The master farter
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    More questions. Lol. Would 4mm twin core be sufficient for this pump? I can't seem to find any specs for it. Should I run the pump via a relay you reckon too? I might do this anyway actually. Save adding extra strain on the ignition wiring. My wirring is fubar anyway, I don't want to make it worse.

  8. #15
    Legendary big_fletch's Avatar
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    Yer I ran 4mm twin on mine, through a 15amp fuse off the battery and through a relay triggered off ignition. Ign is available off the wiper motor
    Qualified Auto-Electrician
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    Dont own a Patrol or any 4WD at the moment, hopefully will change into the future

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    mudski (25th March 2015)

  10. #16
    The master farter
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    Quote Originally Posted by big_fletch View Post
    Yer I ran 4mm twin on mine, through a 15amp fuse off the battery and through a relay triggered off ignition. Ign is available off the wiper motor
    Sweet. I was going to use the Aux battery power as its accessible via the back panel and now theres ign power via the wiper. Cool. Ordered the pump, I will get some fittin's ordered tomorrow when I order my shops stock.

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    big_fletch (24th March 2015), Hodge (25th March 2015)

  12. #17
    Expert skiman's Avatar
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    Thanks for posting this DIY big fletch. Am going to pluck up the courage to do it sometime in the near future after I install the fuel manager.
    Last edited by skiman; 20th May 2015 at 03:44 PM.

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    I think i will have to add this to list of mods to do,would certainly take a fair bit of strain off of the injector pump

  14. #19
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    I need of some help...a bit confused. Sorry my English is not the best.
    I'm confused on how to re rout the small hose to the return. Can anyone explain in a very simple / plane way?.
    Instructions for dummies.

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    One more thing. I'm also installing a second filter should I put this filter first or after the factory filter?

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