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Thread: Stage one engine swap/rebuild..P76 or 3.9

  1. #1
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    Stage one engine swap/rebuild..P76 or 3.9

    More questions! I have a stage one thats done a clutch, but the motor is very very tired and gutless..Ive had a tune done, electronic ignition etc etc but still very lame, its got RR high range gears, so need and want some grunt.. I was ready to go ahead with a rebuild on the 3.5 for about $6k with a mild cam.. now im thinking a second hand P76 or 3.9.. any thoughts, it will only be a weekend car but I need it to reliable..will be carbies not efi..Cheers Brainstrust!

  2. #2
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    Might know where a running P76 motor is.
    Maybe for sale ?
    You on FB ?

    whitehillbilly

  3. #3
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    Quote Originally Posted by whitehillbilly64 View Post
    Might know where a running P76 motor is.
    Maybe for sale ?
    You on FB ?

    whitehillbilly
    Yep

  4. #4
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    Summitt,
    I have complete P76 and Rover 3.5 engines for sale - see the relevant area in Marketplace. I'm in Melbourne but I'm sure we can organise transport...
    Alan

  5. #5
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    Still in Daughters Boyfriends CRR.
    Its off to Gympie from the Tweed Valley, to pick up a 80inch.
    Coming out in a few weeks. But he's 24 ????

    whitehillbilly

  6. #6
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    landrover

    Quote Originally Posted by Summiitt View Post
    More questions! I have a stage one thats done a clutch, but the motor is very very tired and gutless..Ive had a tune done, electronic ignition etc etc but still very lame, its got RR high range gears, so need and want some grunt.. I was ready to go ahead with a rebuild on the 3.5 for about $6k with a mild cam.. now im thinking a second hand P76 or 3.9.. any thoughts, it will only be a weekend car but I need it to reliable..will be carbies not efi..Cheers Brainstrust!
    hi it would pay you to take stage one take out the engine detail and then sell thehard to get parts on the one i have is ideal 3.500 dollors taken off road with a faulty reverse gear jim
    Russell Rovers
    Series I Parts Specialists
    russellrovers AT gmail.com
    Phone 0428732001

  7. #7
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    Quote Originally Posted by Summiitt View Post
    More questions! I have a stage one thats done a clutch, but the motor is very very tired and gutless..Ive had a tune done, electronic ignition etc etc but still very lame, its got RR high range gears, so need and want some grunt.. I was ready to go ahead with a rebuild on the 3.5 for about $6k with a mild cam.. now im thinking a second hand P76 or 3.9.. any thoughts, it will only be a weekend car but I need it to reliable..will be carbies not efi..Cheers Brainstrust!
    I would fit a 3.9 into your Stage One if you have one. I fitted a rebuilt 3.9 into my Stage One Truck Cab about 6 years ago and have been very happy with the performance of this engine coupled to the existing stage One running gear. It is a straight swap and retains the look of the original vehicle engine bay.

    I rebuilt the original 3.5 heads and covers on mine but I did fit a performance inlet and exhaust manifold along with a 450 Holley and a performance camshaft. It sounds great and has plenty of power. I also fitted electronic ignition to. Once you do it though you will need to probably overhaul your brakes as this becomes one of the weak links in the performance of a Stage One that goes fast in my opinion.

    Super fun to drive though and it is amazing how many people want to chat to me about it when I am out and about.

    Regards Warrick.







    "Any intelligent fool can make things bigger and more complex....It takes a touch of genius and a lot of courage to move in the opposite direction."
    Albert Einstein.

  8. #8
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    P76 are so old now that parts are almost non existent.
    Even the replacement parts like 253 pistons are obsolete.
    Many of the very old blocks are porous.

    Even 20 years ago people in the Range Rover club were removing them due to problems.

    I would therefore recommend a 3.9/4.0/4.6 if you can find one.
    Even those engines are now obsolete and out of production for years.

    To me a modern engine like a gen 3 with a very mild tune would be the go.

    I would bet that 99% of punters would not tell the difference on looking if it had a carb but then injection would be so much nicer.
    Regards PhilipA

  9. #9
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    Saw a mate here today.
    He said he had a 3.9 for sale, if I heard of anyone want one.
    Just flicked him an text.

    whitehillbilly

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