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Thread: Holden 186 into Series 3 6 Cylinder Body

  1. #31
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    Just out of curiosity, why do you want to go back to the rover six?

    If it's just a show car / project.. fair enough, but there's a reason these things were dumped asap (never owned one - *disclaimer)


    I used to run an ex army S3 186S with np435. Without a doubt the most reliable Land rover ever - right up there with the counties / early 110's

    as long as the red six has been rebuilt at sometime in the past - fibre gears replaced, these things never die.

    I did have the high speed transfer case conversion though, stock gearing on the HWY sucked.... Do you have Highways in TAS?

    from memory 2800rpm @ 100k / 14L per 100k on 34's. standard diffs granny first = 74:1 low range first

    I really should get the old girl back on the road, never had so much fun in a LR off road. Still suffer from PTSD from Highway driving it though

  2. #32
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    Homestar is offline Super Moderator & CA manager Gold Subscriber
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    Quote Originally Posted by Discosux View Post
    Just out of curiosity, why do you want to go back to the rover six?

    If it's just a show car / project.. fair enough, but there's a reason these things were dumped asap (never owned one - *disclaimer)


    I used to run an ex army S3 186S with np435. Without a doubt the most reliable Land rover ever - right up there with the counties / early 110's

    as long as the red six has been rebuilt at sometime in the past - fibre gears replaced, these things never die.

    I did have the high speed transfer case conversion though, stock gearing on the HWY sucked.... Do you have Highways in TAS?

    from memory 2800rpm @ 100k / 14L per 100k on 34's. standard diffs granny first = 74:1 low range first

    I really should get the old girl back on the road, never had so much fun in a LR off road. Still suffer from PTSD from Highway driving it though
    While they are a higher maintenance engine than the 4 and were designed for car use and not 4WD use, the main issues that caused them to be removed was the exhaust valves - or should I say, lack of adjustment of said item. When they were in Military service they never have any issues as the book said ‘adjust valves every 3 months’ (I think it was 3 - could have been 6 - so they did. I know a couple of people that worked on them when they were in service and they got it down to a fine art - exhaust manifold off, side cover off and do the job. In private ownership almost no one could be bothered to do this so the manifold nuts became rusted up and although you can do them without removing the manifold, most didn’t bother so after a couple of years they’d start to lose power and that would be it. When kept in good fettle, they are a very nice motor and sooooo smooth it’s almost unbelievable. A set of extractors and free flowing exhaust will give them a huge torque increase and they rev freely enough to allow 100KPH if that’s your thing (if you can keep the petrol up to them)

    I get why people don’t like them, but I think they’re a nice motor - a little fragile yes, but worth keeping IMO.

    Parts are getting VERY hard to come by though so they should probably be looked on as an enthusiasts engine only, but if that’s the case, well worth keeping. Holden 186 into Series 3 6 Cylinder Body
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.

  3. #33
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    Quote Originally Posted by Homestar View Post
    While they are a higher maintenance engine than the 4 and were designed for car use and not 4WD use, the main issues that caused them to be removed was the exhaust valves - or should I say, lack of adjustment of said item. When they were in Military service they never have any issues as the book said ‘adjust valves every 3 months’ (I think it was 3 - could have been 6 - so they did. I know a couple of people that worked on them when they were in service and they got it down to a fine art - exhaust manifold off, side cover off and do the job. In private ownership almost no one could be bothered to do this so the manifold nuts became rusted up and although you can do them without removing the manifold, most didn’t bother so after a couple of years they’d start to lose power and that would be it. When kept in good fettle, they are a very nice motor and sooooo smooth it’s almost unbelievable. A set of extractors and free flowing exhaust will give them a huge torque increase and they rev freely enough to allow 100KPH if that’s your thing (if you can keep the petrol up to them)

    I get why people don’t like them, but I think they’re a nice motor - a little fragile yes, but worth keeping IMO.

    Parts are getting VERY hard to come by though so they should probably be looked on as an enthusiasts engine only, but if that’s the case, well worth keeping. Holden 186 into Series 3 6 Cylinder Body
    I had a mate who was right into the ford flat head V8's. He used to get over 200bhp out of the old things. I can see the appeal

    I'd love to put a flat head V8 into an 86" and cross some Oz off road in it (or a fully worked TEA20 donk)

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