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Thread: thinking about a p76

  1. 20th January 2009, 09:39 PM #11
    mark2
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    Quote Originally Posted by Lotz-A-Landies View Post

    Did you also get the RR-P76 extractors as they have to cope with the wider block and the effectively narrower chassis?


    Diana
    I seem to recall hearing somewhere that cast manifolds from a EFI 3.9 will fit P76 heads (or was that rover heads on a P76 block??) and should give the necessary clearance to the chassis rails - anyone had any experience with this?

    I have some rusty extractors on a P76 in a RR which need replacing......
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  2. 20th January 2009, 09:40 PM #12
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    loanrangie
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    Quote Originally Posted by Lotz-A-Landies View Post
    The Bosch is a better unit, but again you come across the valley width issue. My RRc uses the standard RRc plenum and injectors and a Motec M48 ECU without the MAS box etc. I'm a bit light on the rest of the data as it was a here is my car and a whole bunch of dollars and several weeks later Graeme Cooper handed the car back to me deal(well actually it was Ward who did the handing.)
    No width issues, he has spacers already.
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  3. 20th January 2009, 09:49 PM #13
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    To fix the clearance issue I am under the impression that cortina engine mounts are the go. They are the same as LR but not as tall. I could be wrong....
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  4. 20th January 2009, 10:14 PM #14
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    Quote Originally Posted by loanrangie View Post
    No width issues, he has spacers already.
    With a Rangie/Lucas EFI manifold and spacers to fit the P76 block, Won't he need a great big hole in the bonnet or a bump like the Puma Defenders for the plenum?

    Quote Originally Posted by dickyjoe View Post
    To fix the clearance issue I am under the impression that cortina engine mounts are the go. They are the same as LR but not as tall. I could be wrong....
    This is of interest for other reasons, which Cortina and how much shorter are they?

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  5. 21st January 2009, 11:13 AM #15
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    Quote Originally Posted by Lotz-A-Landies View Post
    With a Rangie/Lucas EFI manifold and spacers to fit the P76 block, Won't he need a great big hole in the bonnet or a bump like the Puma Defenders for the plenum?
    Nope, plenty have done it some on here too, the efi plenum is probably no higher then the strombergs.
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  6. 21st January 2009, 11:44 AM #16
    Rangier Rover Guest
    With that sort of compression it may have 3.5 RR pistons. Standard P76 are deep dished.
    I used holden starfire pistons in mine (Lower compression height) with Rover heads. Runs very well on ULP.
    Tony
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  7. 21st January 2009, 12:03 PM #17
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    Quote Originally Posted by loanrangie View Post
    Nope, plenty have done it some on here too, the efi plenum is probably no higher then the strombergs.
    No but with the P76 block the extra stroke length makes the inlet ports slightly higher, then with the spacers it places the manifold about 1" higher. My P76 with Holley was already pressing on the bonnet lining, with an extra 1" it would be hitting the underside of the metal.

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  8. 21st January 2009, 12:48 PM #18
    Rangier Rover Guest
    If you want to run the efi on a 4.4 it will all clear with a small body lift.
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  9. 23rd January 2009, 08:44 AM #19
    azz Guest

    thanks heaps

    thanks for all your help guys, i am investigating a body lift so that was great to read i only want about 25mm of lift though so do you think that would be enough, or cortina engine mounts, and does anyone know if the rangie flywheel and clutch for a lt77 box will bolt onto the p76 crank
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