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Thread: Cam install (EFI 3.5 Rangie)

  1. #1
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    Cam install (EFI 3.5 Rangie)

    Hi,

    I am looking at putting a new Cam into my Rangie and just wondering how hard it is.

    I have been told that it isnt very hard. Im assuming that you have to remove the EFI system, and the valley etc.

    how hard are they to time?

    any tips,
    thanks,
    Shem

  2. #2
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    <span style="color:blue">yep...rocker covers need to come of....
    and the radiator needs to come out as well....

    if you know what you are doing the cam should be on the bench in less than an hour.....



    we used to have the heads sitting on the bench in around 35 mins....
    but that was after about the third or fourth time......
    the first one would take around an hour......</span>

  3. #3
    p38arover's Avatar
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    If you are fitting a new cam, fit new lifters as well. They are relatively cheap. You can use Holden lifters but I'm not sure which ones.

    Your old lifters have probably got worn faces anyway.

    And don't forget to run the cam in after installation.

    Ron
    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. #4
    RR5L Guest
    Ron's right about the lifters holden ones do fit, and you should fit new ones as a general rule when replacing the cam. I always leave my new lifters in a bucket of new motor oil over night prior to assembly, Kinda hoping they will fill with oil.

    Dont forget to lube the cam and lifters before assembly as the run in period for the cam is critical for its longevity.

    The other thing I would consider is replacing the timing chain and sprockets as the chain has probably stretched over time as well. From memory you can get a rollmaster duplex chain set for around 160 bucks I think.

    With removing the dizzy bring cyl #1 to Top Dead Centre (TDC) before removing. Remove the dizzy cap and mark the position of the rotor on the dizzy casting. Mark the base of the dizzy and the engine block as well. It will make it easy for you to getting it back together.

    Timing the cam isnt hard, using the dot to dot method. (Degreeing the cam is another method but your not building a race engine right? just in case some reading for you. http://www.ridgenet.net/~biesiade/camdegree.htm )

    If this is your first time, dont rush it. Take your time and enjoy.

  5. #5
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    As the other said, running in the cam is critical. I was told that I was to start up the engine and run it for 10 min at 1500rpm and whatever I did DO NOT TURN THE MOTOR OFF.
    To do this you will need a 2nd person with a hose or bucket of water standing at the front of the car to fill the radiator as needed.

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