WALRO Posted January 10, 2008 Share Posted January 10, 2008 Just wondering if anyone has instructions on setting up the diffs on a Discovery? Thanks Quote Link to comment Share on other sites More sharing options...
JimAttrill Posted January 11, 2008 Share Posted January 11, 2008 I hope you are not fitting a Detroit locker as the 100" wheelbase is far too short. The TruTrac is a different matter though. Quote Link to comment Share on other sites More sharing options...
nickm Posted January 11, 2008 Share Posted January 11, 2008 I hope you are not fitting a Detroit locker as the 100" wheelbase is far too short. The TruTrac is a different matter though. why would you say that Jim I have one in my 88 and have no probs with it Quote Link to comment Share on other sites More sharing options...
BogMonster Posted January 11, 2008 Share Posted January 11, 2008 Because it tends to decide that it controls the steering on loose surfaces, not the driver Somebody here had one in a Discovery a few years ago and I believe he removed it because he got tired of arguments at every junction on gravel roads. Quote Link to comment Share on other sites More sharing options...
JimAttrill Posted January 11, 2008 Share Posted January 11, 2008 I have known a guy with a Disco here in SA who had to remove the Detroit because his wife couldn't stand all the banging as it unlocked and locked. There was also a guy with a 90 in the UK who got his money back from Ashcrofts for the same reason, except worse. The shorter the wheelbase the more the locker will unlock and relock going round corners. With a 110" or 127" wheelbase there is very little noise and the steering is not affected. The makers themselves do not recommend fitting a Detroit to a wheelbase less than 117" in their manual! The only time I get a problem with noise in the 110 is if I push in the clutch at a low speed with lock on, as when parking. So now I try to not depress the clutch unless I really have to. The Detroit is great on dirt roads with the Centre diff lock engaged as it is very stable and wants to go in a straight line. Quote Link to comment Share on other sites More sharing options...
WALRO Posted January 12, 2008 Author Share Posted January 12, 2008 I am fitting it in the rear of my Series 1 Discovery, and a trutrac in the front. I am the only one that drives it and am willing to sacrifice some on road behaviour for better off road traction. My mate has the same set up and his diff is not noisy. Anyway, back to my original question, anyone have the diff set up info??? Thanks. Quote Link to comment Share on other sites More sharing options...
JimAttrill Posted January 12, 2008 Share Posted January 12, 2008 AFAI can remember you just bolt it in and voila! The manual says nothing about any adjustments or settings. Just to torque the bolts that hold it to the ring gear to the manufacturer's specs. The crown wheel/pinion settings stay as before. I have kept the old diff centre in case I sell the vehicle. Parts like this are worth more separately than fitted. Quote Link to comment Share on other sites More sharing options...
WALRO Posted January 12, 2008 Author Share Posted January 12, 2008 Jim, I forgot to state I am also fitting 4.11 final drives, hence the diff set up. Andy Quote Link to comment Share on other sites More sharing options...
JimAttrill Posted January 12, 2008 Share Posted January 12, 2008 Ah, that's a different matter. You have to set the pinion to the crown wheel as per the manual. I have read the description and it seems to require some special tools, measuring blocks and suchlike. I would get it done by an expert with the right gear. Quote Link to comment Share on other sites More sharing options...
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