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Thread: Not sure what to do... please advise about my 4.6 Engine

  1. #11
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    Glad to hear you are happy, I do believe you are going backwards though.
    the 4L has same problems.
    as we said to you, do it right once.
    TRS has a complete motor there, I saw it this morning for $5900, Its as new 30k km's and high comp.

    Best of luck with your choice and hope all goes well.
    remember take pics as you remove and label all hoses and wires.

  2. #12
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    Quote Originally Posted by Kalincho View Post
    I have read that the that the 4.0L motors are not as sucepptable to the problems that my 4.6L has had... it is from another P38 (1996)
    It's the same block, the 4.6 just has a different stroke.

    You could transfer your crank, rods & pistons to the 4.0 to make it a 4.6 .
    Scott

  3. #13
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    p38arover is offline Major part of the heart and soul of AULRO.com
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    Quote Originally Posted by Scouse View Post
    It's the same block, the 4.6 just has a different stroke.

    You could transfer your crank, rods & pistons to the 4.0 to make it a 4.6 .

    According to Des Hammill, LR selected the thicker-walled blocks for the 4.6 engine.

    How to Power Tune Rover V8 Engines ... - Google Book Search
    Ron B.
    VK2OTC

    2003 L322 Range Rover Vogue 4.4 V8 Auto
    2007 Yamaha XJR1300
    Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA



    RIP Bucko - Riding on Forever

  4. #14
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    page 30 /best page

    hi ronald ,great info on p38 blocks that crack. more so on 4.6 motors were rover had a brain wave and made the thermostat open (so late ) at 96c (quote from above page 30). as they say at top gear ,what were rover thinking.good thing my simple crimping of yellow wires make thermo fans work ah ,cheers.

  5. #15
    Join Date
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    Thanks again for all of the advice.

    The 4.0L motor has now been installed and is running well. We changed everything that we could including the font cover gasket, oil seals front + back, head gaskets, radiator, hoses, fuel filter, and the automatic transmission filter.

    When we had the motor apart, looked inside the valley and it had a red mark on it, looking at the previous post link from Ron B, i interpreted it to mean that it has the 'best cast block' so fingers crossed.

    Next in line is four new Dunlop bellows from the airbag man and a new air conditioner compressor, thanks for the advice from Mike 90 RR, his advice has saved me a few hundred bucks.

    Will be taking it soon to a Landrover specialist to have it all tested out on the comp.

    Thanks again to John and Sarah for their part in this adventure.

    Feel much better now

    Go Bombers! what a game!

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