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Tony, Your comments about ratios and VCU in your first paragraph are correct. Tegralok in 4WD on firm roads would wind up the transmission, yes it would. Therefore I don't do it. Tegralok in 2WD transfers no torque to the rear axle, true. Handling and steering are therefore not as designed, also...

Thanks Hippo, I will take a look at that. Beer first, though!

Hi all, I'm getting quite a lot of emails from folk wanting to either buy a Tegralok (I'm not thinking to manufacture them), or plans and photos for them to build their own. The geographical spread of correspondents is interesting. Modest interest from UK owners, but strong interest from people...

Thanks, that explains why the Tegralok is so willing to engage at any speed in the straight ahead. I expected it to be reluctant at say 60 mph, but was puzzled when it went straight in, you have answered that. Does anyone have engineering drawings of the gearbox so that we can all figure out a...

Thanks, but do you ever lapse into English! I'm just a simple mining engineer, something you get by starting with an idiot and then kicking his brains out!

Sorry, got to set this straight. You are correct for the setting you describe. For us older, less balls-out folks, just getting out of the grass caravan site after a night's heavy rain without turning the field into marmite and filling the wheel arches with mud, is all we aspire to. The...

I live in I live in Nottinghamshire, dangerously close to the Lincolnshire border. We are an easy reach from the A1 at Markham Moor. You are the first to show an interest in the redundant VCU, so it can live in my garage until you want it, or decide against it, just say. The ambicopter came to...

Nodge68, You are spot on. An indicator light is a glaring omission. ('scuse the pun!) I have a weather-proof switch off an old ride-on that I could configure to activate on anything other than fully disengaged. (safest option). A cleverer person than me would wire it to be failsafe...

Hi GrumpGel and all the other posters on this thread. I'm posting this as a reply, because I'm not sure how else to do it. I have a proposal. Now that I'm happy with my Tegralok I can sell the VCU I bought (and couldn't get to like) after trying it for a few hundred miles. If anyone wants a...

Thanks for those kind words. Encouraging.

Hi jamesmartin, I'm going to have to fudge the answer a little, because on the one hand many of the parts came out of my recycling (aka scrap) bin, like the clevis links, and including the lever knob, which had been on an underground drilling machine in Ukraine! while on the other hand I had to...

Hi Eric, sorry about the delay. The Tegralok unit is attached to a fixing plate (10mm thick), in red in the video. The plate is slotted exactly like the fluid coupling bearing housings are, and bolted up into the chassis rails like the fluid coupling bearings were (in the same locations)...

Thanks for the supportive comment. It helps.

Thanks, It is running better now it has "run in" a bit. It got warm first time out. I'll post again when I'm satisfied it has been fully tested.

Thanks, I might be getting this wrong, but you seem to like the Tegralok idea a tad less than I do. I guess you won't be fitting one any time soon. I'm having fun using this one, so we are all happy.

Thanks, Unless it is really spinning a wheel, the difference in speeds between the front and rear propshafts is quite small. Sometimes there is a pause before it engages because the teeth are aligned, but moments later it does. Mostly I stop first (to open the gate, etc) Perhaps you are right...

Thanks. I'll keep testing.

Thanks, true. (note, off-road comments follow) I ignore the tyre "creep" required to match the ratios difference. I expected it to be tough to detect, and so far it has been. I guess it is smaller than normal tyre creep on grass, but further testing might detect it. More anon.

Yes, a Freelander would benefit from having a centre differential like its bigger brothers, but it doesn't have one. The fluid coupling is a cheaper, less suitable compromise. It has its faults, as we see. The Tegralok unit makes the drive work just like a Discovery one as soon as the Discovery...

Hi, New on here. I'm testing an alternative to the viscous coupling on a FL 1 TD4. Liking it a lot. A Youtube search on "Freelander Tegralok" will probably find it. Cheers. Likim Stip (copied from "introduce yourself" forum - not sure I should do that - apologies if I've broken protocol)