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Thread: Holden 186 to ford 250 conversion.

  1. #1
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    Holden 186 to ford 250 conversion.

    So.... Does anybody know how hard it would be to swap out a Holden red 186 and series gearbox to a ford 250 with C4 auto in a series 3 88?

  2. #2
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    Does any body know how hard it would be?
    I know I'll need an adapter for the c4 to bolt up to the series transfer case?
    What else?

  3. #3
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    I'm not an expert on this conversion but I'd suspect you'd have to change engine and gearbox mounts and get an engineering certificate for it, you may run into clearance issues in the engine bay and other than that its the simple stuff like re-wiring, fuel lines and other ancillaries like that. I know that Andy Landy has (or had not sure) a Series 3 with a 302 V8 and C4 auto, maybe ask him about the auto side of things. You never know what problems pop up until you do it or find someone else whose done it.

  4. #4
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    Scariest 4x4 ride I ever had was in a series 2 with a 250 in it...... Towing a caravan at 75 mph was pushing the limits of its stability...

  5. #5
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    We are doing this at the moment, Series 3 109", 250 with 2v head, C4 auto and series transfer, stage one Diffs front and back, defender front end. My money is on one scary ride when it's finished!

    Engine mounts are standard with an adaptor, transmission mounts are moved along chassis rails. Front left hand chassis rail needed scalloping to clear oil filter, radiator crossmember modified to clear radiator. Also crossmember directly behind trans needs modifying to clear tail shaft. Bulkhead is modified around trans tunnel to clear transmission.

    Standard wiring can be swapped over to new engine. Also need to modify starter circuit to allow for the park neutral switch on the auto.

  6. #6
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    Thanks,
    So to make sure I don't have my wires crossed, did your 109 start with Holden 6 red motor and series gearbox like mine? Or a series motor?

  7. #7
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    It was originally a 4 cyl Rover. According to the rego it still is...

    Most of the Holden conversions I have had the joy of encountering utilise the standard mounts with a bolt on adaptor or some other contraption welded to the mounts.

  8. #8
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    I'd love to do the same sort of thing but use a top loader but they cost a fair bit just to be used in a farm Ute (haven't given up finding one cheap yet). If you go ahead with this conversion keep us updated and show plenty of pictures.

  9. #9
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    Cool, thanks Andy_d110.

    Yeah I will be taking plenty of pics don't worry about that

  10. #10
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    Quote Originally Posted by andy_d110 View Post
    We are doing this at the moment, Series 3 109", 250 with 2v head, C4 auto and series transfer, stage one Diffs front and back, defender front end. My money is on one scary ride when it's finished!

    Engine mounts are standard with an adaptor, transmission mounts are moved along chassis rails. Front left hand chassis rail needed scalloping to clear oil filter, radiator crossmember modified to clear radiator. Also crossmember directly behind trans needs modifying to clear tail shaft. Bulkhead is modified around trans tunnel to clear transmission.

    Standard wiring can be swapped over to new engine. Also need to modify starter circuit to allow for the park neutral switch on the auto.
    No need for that Andy, just use a shorter Cortina filter and change it more often - or preferably fit an adapter and remote the filter to the lh guard where it is easier to change and also incorporate a thermostatically activated oil cooler forward of the radiator.

    Bob

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