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Thread: engine swaps

  1. #1
    Join Date
    Jan 1970
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    Goolwa SA - but top ender forever
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    engine swaps

    My 94 Disco has over 230,000 Km on the clock and I noticed while the auto tranny was out to be rebuilt, the engine dripped some coolant out of the left hand manifold. As a temp fix I put in an additive to stop the leak which appears to have fixed it BUT now I'm a bit parinoid to go and play.

    so my questions are:

    As the 3.9 is a little underpowered any way, has any one used the bits off of it to build up a 4.6 short motor or would it be better to go for a 4.6 long motor and be done with it.

    Or would I be better off going for a holden gen III motor as they are cheaper and have cheaper parts?

    or just fix the 3.9 if the rest of the drive train cant handle the extra power?

    Any thoughts would be greatly appreciated

    Cheers

    Blitz

  2. #2
    Join Date
    May 2003
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    where ever I fall asleep ,Queensland
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    g'day blitz, i think you just answered your own question, the fact that youve already clocked up 230,000 k's and had the tranny rebuilt (probably to standard specs')putting in a more powerful motor mite just be putting too much strain on the rest of the driveline, and unless it is a straight change over( no adaptors and modifications)can sometimes be more trouble than its worth!!I mean i would love to shoehorn a 351 cleveland into my series 2a and have seen it done ,but toooooo much stuffarsin about with all the mods as you go from bumper to bumper , but thats just my 2 cents worth :wink:

  3. #3
    Join Date
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    Fern

    I know what you mean I put a Holden HR L2 186 motor into my SWB 2A years ago, broke axles like they were going out of fashion, so I grafted in a set front and rear salsbury diffs from a SIII. Not a job to be taken lightly as everything is different. Then used to break gearboxes, but I did learn alot about the word finese, and the use of my right foot.

    All the drive line bits on the disco have been rebuilt as unfortunately the car looked better physically than she was under the skin (read ripped off)

    I may have to go cap in hand to mr land Rover and ask if they used heavier duty diffs etc with the bigger engines

    Cheers

    Blythe

  4. #4
    Join Date
    Jan 1970
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    Power?

    Blitz, gday. Depends on what you want the car to do. If it's a daily driver, keep it close to standard. 3.9 or 4.6 will be OK.

    What a bit more from 3.9? Matchport the heads, find some high comp pistons (9.35:1), chip the ECU, headers and bigbore exhaust, etc.....

    Check out the RPI Engineering and Rimmer Bros websites. Have fun!

    Pierre.

  5. #5
    snailbait Guest
    hi i am real sorry to sound like a preacher but when a vehicle like a land rover or any other 4wheel drive has done a lot of klm on the dial it is not a good buy if you want to do hard four wheel driveing.
    4x4 are no diferent to holden or fords they breakdown more often when they are old or young and have done a lot of klm. I run a 40 + vehicle fleet RMS and we turn the vehicle over every 2 years.( dont tell any body ) about so they will buy my old vehicle.

  6. #6
    HSVRangie Guest
    Repower options:

    Rebuild rover V8 anthing from 3.5 5.6 lt.
    TDI with after market chip upto 290KW
    Repower chev, Holden.

    http://www.cmr.uq.edu.au/~rotor/the_shed/m..._harris_rangie/

    this is what I did. never been happier. [img]style_emoticons/<#EMO_DIR#>/laugh.gif[/img]

    Michael.

  7. #7
    RR5L Guest
    Gday Michael,

    Anytime you feel the urge to do it again let me know...lol...I dont think im ever going to be happy with this 3.9!

    Have a good one
    RobG65

  8. #8
    HSVRangie Guest
    Rob,
    any time you want. [img]style_emoticons/<#EMO_DIR#>/biggrin.gif[/img]

    Michael.

  9. #9
    Join Date
    Jun 2003
    Location
    Launceston, Tasmania
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    Just remember if you put in an engine not designed for the vehicle (a non LR engine) it will effect your insurance. For example, I have only found 2 insurance agencies that will insure me because I have a holden engine, and If I insure it, and don't tell them, they won't pay up
    1994 Discovery TDi
    2004 Discovery 2 TD5
    2010 Discovery 4 TDV6
    1961, Series 2 Ambulance. 108-098 - Eden

    Registry of Ex Military Land Rovers Mem. 129
    Defence Transport Heritage Tasmania Member

  10. #10
    seashells Guest

    engine conversion

    Blitz

    Got rid of my 3.9 v8 (94 series 1 auto) and replaced it with a low km
    td5 (5ks) the insurance company would not let me fit any other motors
    other than what are fitted to disco's.


    td5/v8

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