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Thread: RRC 2.8L CRD Project

  1. #1
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    RRC 2.8L CRD Project

    Hi All,

    Thought I'd start a build thread for my new project, my RRC 2.8 CRD engine transplant from a 2016 Holden Colorado. I've always wanted a RRC, love the driving position, the look and how they perform on and off road. I spent 4 years restoring my Hillman Minx and completed a common rail diesel transplant on that vehicle, so after selling my tired D2 it was time for a new project to take up all my time on weekends.

    I bought this 88 RRC from Melbourne in June this year. It has plenty of goodies on it already such as:
    - 2in Terrafirma lift with cranked front and rear arms and front shock turrets
    - Twin ARB Air Lockers converted to 24 spline
    - Devon 4x4 front bar with high mount winch
    - Arb rear bar
    - Long Range Tank
    - Fresh respray and black leather interior transplanted from a later RRC

    IMG_2235.jpg

    It also came with a 4.6L V8 running old school Motec, which was the first thing I stripped out and sold off. I do like the Rover V8's, but given their horrible fuel consumption for the power you get, on top of that the extortionate QLD rego for V8's, a diesel is a no brainer really. Question was which diesel, I drew up multiple spreadsheets to decide which one to go with: Basically I wanted 6 speed Auto, good power, torque and fuel economy.

    4BD1 - Cheap and simple yes, and good torque, has been done on LR's before. But they are heavy and old...I will probably get smashed for saying this but, there.....I've said it

    Ford P5AT 3.2L - Good power, torque and fuel economy. Expensive engine to buy.

    VM Motori 2.8L (from Holden Colorado) - Same torque and power as 3.2L and 4 cyl so cheap QLD rego. This was the winning combination, so I was able to get a complete stat write off 6 speed auto Colorado RWD with 40k kms on the clock for $4.5K that has everything I need for the conversion. The RWD is suitable, as I can adapt the LT230 remotely.


    First thing to do was to complete the strip of the RRC, including the dash as I intend to fit all the electrics from the Colorado including the heater box, controls and AV system. The plan would be to test fit everything, then remove it again and paint the chassis and under body.
    I then stripped out the engine and gearbox combo out of the ute and lowered it in the RRC to do a test fit prior to adapting the LT230. The engine needs to sit more to the left hand side in the engine bay in order for the sump to clear the front diff and the massive LR steering box.

    IMG_2167.jpg

    First off the sump needed some changing. The sump is designed for an IFS vehicle and is quite wide, so a bit had to be trimmed off the side and new section welded in. Here's a pic of the leak testing with diesel and UV dye:

    IMG_2178.jpg

    Second task was to machine up a new input shaft. I decided to keep the output housing on the auto and make an adaptor shaft with a single universal with an adaptor frame to hold everything in line and also carry the auto. So I machined a taper into the transfer case input gear (fortunately it’s the old type without the spline lubrication holes). Here’s a photo of the new shaft and partly completed shaft in the lathe.

    IMG_2206.jpg

    A thread will be machined into the shaft and a nut will hold the shaft in the input gear with a key way.

    Next will be to make up the adaptor frame, then lower the whole assembly into the car and make the engine mounts and transfer case mounts.

  2. #2
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    Sounds like a great combo, I am surprised that the Colorado has a VM motor. What happened to Isuzu ?
    MY08 TDV6 SE D3- permagrin ooh yeah
    2004 Jayco Freedom tin tent
    1998 Triumph Daytona T595
    1974 VW Kombi bus
    1958 Holden FC special sedan

  3. #3
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    Sadly Photobucket pictures don't work here any more. You'll have to find another way, e.g. use the forum uploader from your computer.

  4. #4
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    Fixed the photos

    Yes they went to the 2.8L in 2014 after they dumped the 4JJ1.

  5. #5
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    Fantastic Hendrik. I look forward to reading updates.
    L322 tdv8 poverty pack - wow
    Perentie 110 wagon ARN 49-107 (probably selling) turbo, p/steer, RFSV front axle/trutrack, HF, gullwing windows, double jerrys etc.
    Perentie 110 wagon ARN 48-699 another project
    Track Trailer ARN 200-117
    REMLR # 137

  6. #6
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    If I had my time again with doing my project, I would have gone the diesel route. The torque you can get along with fuel economy can't be beaten!

    Looking forward to seeing your work!
    Stirling

  7. #7
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    Ok bit of an update.

    Transfer case has been mated to the gearbox now and the engine and transmission including the LT230 are back in the car. I have used BA falcon hydraulic engine mounts and spaced the original transfer case mounts back from their original position. (will post up pics of the mounts tacked in place over the next few days.

    Next was to position the radiator, intercooler, condensor and auto cooler. I went with 3 Row XD Falcon full alloy radiator and made some minor modifications in order to mount the unit to the chassis. Intercooler is a generic type with 3in in/outlets, while the condenser is out of the Colorado. I decided to go for the largest auto cooler that I could find, and managed to find one out of an RX7 that will fit up really well.
    IMG_2258.jpg
    IMG_2259.jpg


    I have also fitted up the steering column to the rover steering box. The steering column and steering wheel is the Colorado one, as I'd like to retain the clock spring, ignition barrel and steering wheel feature buttons as these are a pain to convert to another steering wheel. Obviously this steering column is collapsible which is mandatory to get it through engineering.

    I will also post up few more pics of the arrangement in the next few days after I've mounted the pedals.

  8. #8
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    Few more updates from recent work:

    Radiator, Intercooler, condenser and auto cooler have now been fitted, including a 16in thermo fan.
    IMG_2323.jpg

    Next was to fit the steering column and the pedals, along with the brake booster from the Colorado.
    IMG_2321.jpg

    IMG_2322.jpg

    I plan on fitting the heater box next, then it will be onto all the fun stuff underneath the car such as the exhaust, fuel system and brake system.

  9. #9
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    Any updates on this ?
    MY08 TDV6 SE D3- permagrin ooh yeah
    2004 Jayco Freedom tin tent
    1998 Triumph Daytona T595
    1974 VW Kombi bus
    1958 Holden FC special sedan

  10. #10
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    Colorado RRC

    Big job mate, huge!!!

    I like what you have done and the way you think.

    And I wish you the very best of luck with it all.

    Keep us updated.

    Cheers,
    Tricky

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