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Thread: P38 SE Vs HSE

  1. 29th April 2014, 01:19 PM #21
    PLR
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    Quote Originally Posted by tezza121945 View Post
    what are the actual physical differences between a 4lt and 4.6. lt engine. lent my 2000 landy to a friend who kindly cooked the motor if I have to rebuild thinking of upping it to 4.6
    Basic engine , the main difference is in the stroke .

    4.6 ltr crankshaft gives a longer stroke and has shorter conrods than a 4.0 ltr .

    The pistons are different but can interchange depending on the compression ratio required , the rings are the same .

    There are other differences that are mated to each as in autos , ETC .
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  2. 30th April 2014, 11:58 AM #22
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    Also the blocks were graded differently in the factory, with the 4.6 getting the most uniform wall thickness - though not needed to know if your rebuilding one, but of you can get a 4.6 block is reassuring.
    The camshafts are different too.
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  3. 30th April 2014, 01:01 PM #23
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    I understand that new blocks are getting very hard to come by these days. They only exist on somebody's shelf somewhere.
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  4. 30th April 2014, 02:22 PM #24
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    Quote Originally Posted by davidsonsm View Post
    I understand that new blocks are getting very hard to come by these days. They only exist on somebody's shelf somewhere.
    And in my garage.....

    Ok, not new but a rebuildable 4.6
    Ron B.
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    Previous: 1983, 1986 RRC; 1995, 1996 P38A; 1995 Disco1; 1984 V8 County 110; Series IIA



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  5. 30th April 2014, 02:52 PM #25
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    Quote Originally Posted by p38arover View Post
    And in my garage.....

    Ok, not new but a rebuildable 4.6
    Is there anything P38 related that you don't own?
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  6. 30th April 2014, 03:11 PM #26
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    Reliability?
    Ron B.
    VK2OTC

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



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  7. 30th April 2014, 03:41 PM #27
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    Quote Originally Posted by p38arover View Post
    Reliability?
    Ron, he said P38 related.


    P38s have no relationship with the word 'reliability'.
    Scott
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  8. 30th April 2014, 03:48 PM #28
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    Quote Originally Posted by Scouse View Post
    Ron, he said P38 related.


    P38s have no relationship with the word 'reliability'.

    He said he didn't own it.
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  9. 30th April 2014, 04:54 PM #29
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    I know that.
    Ron was implying that reliability was P38 related.
    Scott
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  10. 30th April 2014, 05:07 PM #30
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    Reliability was an option on the order sheet wasn't it? If you ticked it they made your car on Wednesday.
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