Jake...thanks for your advice. I've managed to locate an excellent welding shop. He will use a stick welder as the mechanic's shop may not have phase 3 electric. Maybe the missing tab will be found in the dropped oil pan? Turns a $1500 job into an under $200 job potentially. What would a too hot weld do in reference to a previous post?

 

So for this 98 Disco the reluctor tabs are 5mm? I can convey this to the metal fabrication welding shop as the spec? Where would the missing tooth have fallen...into the bell housing?

 

Bell housing, you'll need to measure what you have, all should be identical.

 

i dont know that id weld anything on there, as there are numerous ways for that to go wrong. as i think has already been mentioned if youre off even by a little bit youll likely get some misfire codes or other performance issues.

ive messed with making my own trigger wheels for various other ECUs (obviously not stock rover stuff hah) and its always more trouble than its worth and much harder to align things that it would appear at first. that would be especially difficult in this case as you cant monitor the individual triggers in the ECU to ensure youve got it right.


anyway, best of luck

 

Too much heat and the metal melts more than you want basically. A good welder should set his equipment up correctly and test weld on a piece of similar scrap steel lying around before touching your Disco.

Might be able to just braze the piece back on it is is found. If not, shouldn't be difficult to fab a tab and braze it in place.

 

This should be a very interesting attempt. It sounds like a major exercise in futility with a very low probability of success in my estimation.

Welding it with the flywheel still in places adds to the challenge. I would not want to jinx it, but I would estimate the probability of success to be in the single digit range.

Pulling the piece would significantly increase that probability, but I agree with the Donut King and go ahead and see if one of the Salvage Gurus has a good flywheel avaiable at a reasonable price. That would offer the highest probability of success.

If you do get it welded, you will not find out how good they did until you get it back together and see how well it runs and if it holds together as well. If it does fail, then you have a even higher total cost than going with the flywheel replacement.

How lucky do you feel?

 

Another idea would be to see what an indy tranny shop would charge to remove and replace the tranny/transfer case - vs the high dollar mechanic. Or convert to 4 barrel and toss the ECU (back to the dark ages).

 

The only upside I can see is that if it works, you've saved a lot of time. I would think the replacement/used part would not cost more than $100 shipped. But the time into it would be a lot more(assuming you do it yourself...lots more moneys if you hire a shop to do it).

 

Makes me wonder what is the smallest part ever to be responsible for the demise of a Discovery.

Many are abandoned due to a problem that the owner cannot fix himelf or afford to pay someone else to fix it.

This may be the smallest part I have heard of yet to cause such a large problem.

 

Smallest was prolly a screw dropped into the intake that then bounced around and destroyed a cylinder and valves...