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About greenmeanie

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  1. As I hate to leave a thread unfinished here is what I found out and did to complete my job. I bought a Defender steering column NTC968 which has 48 splines at both ends and is 816mm long. The 48 spline version fits a 3 spoke, late SIIA steering wheel which means you can keep the original horn and Tex magna indicator talk. I stripped the inner column out and had the upper bearing land turned down to 22.5mm for its length and the bottom end turned don to 19mm for 150mm from the end. IMG_134, At this point it slides into the Series outer column and the mounted bearing although the splined end is now a couple of inches further down. A Flaming River FR1727DD 3/4-48/1"DD universal joint adapted it to my original collapsible link and job done. The components were comparatively cheap and the machining simple so I am much happier than trying to get splines cut by a machine shop. The only minor thing is that the original UJ was protected from crud in the wheel arch as it sat up behind the splash guard shroud. The new UJ now projects past the shroud so I may make an additional piece to protect it. 109 steering linkage 4 109 steering linkage 2 109 steering linkage 9 That's it. Power steering that keeps the interior of my truck looking stock SIIA without welded modifications.
  2. The idea is to use the Defender inner column mounted in the old Series outer column. Assuming the whole plan works out the extra length of the inner column will be down into the engine bay. It is one reason why I have been going to all this hassle instead of just putting in a Defender column and wheel. For the record, do you know how long a Defender column is? I think it is approx. 28 1/2 inches but I could be wrong.
  3. Interesting. I have a 48 spline Defender column on the way which I plan to strip the inner column from and I think (Maybe I hope) it should adapt to my series outer column fairly easily. If so that will be a lot cheaper than paying a machine shop to cut down the scroll to what I need, add a spline and heat treat it. That, of course, is plan B if the Defender column won't work. I'll post up what I end up with.
  4. Great info. Thank you guys for your help. Hi ho hi ho its off to ebay I go.
  5. Arjan, you are correct. As stated the spline to mount the steering wheel changed at various times and body styles between 36 spline and 48 spline. The Late Series IIA steering wheel is 48 spline and as far as I can tell should mount just fine to steering column upper NTC9068. The spline I don't know much about, but I don't think changed over production, is the universal joint end of the column which I want to confirm is 19mm-48. If the spline is what I believe I can get a U-joint to adapt to what I already have which fits all the holes etc to pass through the bodywork to the PS box while the LR collapsible link won't fit the existing set up. I am fairly sure I can strip the inner column from the Defender assembly and make it work with my series outer column so I can keep all the original horn function and mounting etc giving me a comparatively cheap nut and bolt solution thus avoiding the whole machine shop issue. I'd really appreciate confirmation of the spline on the lower end of the steering column.
  6. I don't think the UJ end has changed over time. I think it should be 19mm-48. The steering wheel spline is what changed with some being 19mm-48 and others 19mm-36. Damned if I'd know why they would bother making the difference as they seem to have used both types of splines on different body styles at the same time. In this case I know the Series steering wheel I have is 19mm-48 but it is the UJ end spline I want confirmed so I can chase down a matching joint that adapts from the Rover column to the Borgeson 1"DD collapsible link. With confirmation of the spline I'm pretty sure I can strip the inner column out of the NTC9068 and make it work with my existing system.
  7. Great, thanks. I want to find an NTC9068 and see what the inner column looks like. I think I can find a UJ to adapt one to the ret of my system.
  8. I suppose that I should take advantage of you knowledge here and ask if you know how many splines are on the UJ end of a Defender steering column? I currently have a 36 spline 19mm uj on to a 1" double D UJ. I would feel a bit dumb having a shaft machined if a Defender 48 spline inner column is a direct fit. I thought it was 48 spline but am happy to be proven wrong.
  9. The above answer is correct. There are many ways to play the game to try and pass inspection but the bloke who evaluates the vehicle know his stuff and is no idiot when it comes to signing off. I have already done it once with a 101 with a disc brake conversion and had to go and hunt paperwork for that. While not declaring anything as formal as TUV certification the inspector was accommodating enough to accept a letter from Zeus explaining their history as an engineering firm and knowledge of brake modifications. I spent several hours in person and on the phone with the inspector and he was a decent bloke with a sense of humour and a passion for his work. The sum total is that they will accept many modifications with a good explanation and say, pointing out that it is the same as a Defender for seats, when it comes to critical safety items it is all by the book and you have to jump through the hoops. Its not impossible but it does take time, money and determination. If you get caught trying to play silly buggers lying or trying to sneak stuff past him then the inspector will just shut you off and you will never to register the vehicle. Beyond that there is the usual caveats of such things being fine until they are not and you find your insurance void for illegal modification and the legal system here comes down on you like a tonne of bricks. While it was most likely different for OEMs when you import a vehicle here the only sound check they run is for the exhaust system where you may not exceed a certain decibel level at a specified distance from the vehicle. If the 101 can pass then pretty much anything short of running zoomies should be good although stopping Harleys and issuing tickets for too loud exhausts is a favourite past time of cops here.
  10. The US was great for that too as there is a culture of building and modifying vehicles so there were plenty of automotive machine shop who had the tools to grind shafts etc and very good pricing. Sadly for me this would have been an easy task had I got to it before moving out here.
  11. The one thing I have changed since I took that photo years ago is that I swapped the drop arm arm for a Defender one (RTC6399 or RTC6398) which fits the Scout PS box spline. It has an integral ball joint so you also need the steering cross rod eye end (ANR2859 or ANR2858). One benefit is that it provides one end of a steering damper mount for those that need one.
  12. Yup, your last comment is about right. I had an old 101 column altered in the hope of getting a Double D end put on it. I walked in, told them what it is, what I wanted and said its for a go cart I'm building for my son. No problem. Tell them its modified steering on a truck and they won't touch it with a barge pole. The background here is for the Rover community here as I was expecting the common 'Use a Defender column' answer. I might give your suggested company a call and see what they say.
  13. I hope these piccies show up. IMG_1359 by IMG_1369 by IMG_1370 by IMG_1557 by
  14. When it comes to regulation, passing inspection and insurance there is a distinction between an OEM welding the column where they have a formal design process leading to drawings, weld specifications, quality control and testing signed off by a chief engineer and backed up by corporate liability insurance and having a private entity or shop making a weld on a modification. Having discussed the matter with the vehicle inspection agency they will accept a machined part but a welded modification is completely forbidden.
  15. Its not jut the box but the linkage and UJ interfaces between the box and the column which is the concern. In the US the PS box is typically mounted on the outside of the chassis rail and you have the various holes cut in the wing panels, custom splash guards, column mount and a link bar that incorporates the collapsible section required for safety. Its all only metal so I can cut it all off and start again but from my current set of quotes I can achieve what I need cheaper by machining an inner column down. The question is based on having machine shop quotes. If the part is only surface hardened then I can save money by grinding this away roughly down to size and the shop will do the finishing on a lathe and milling machine which is relatively quick and cheap. If it is through hardened as I expect and somewhat confirmed above then it has to get ground down which is a longer an more expensive process. When dealing with machine shops it pays to know what you have, what you want and then we can discuss how to get there.

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