[Healeys] Ring gear not fully seated in flywheel

[Chris Dimmock]

The "interference fit" method I've seen and experienced is...
1. Apply a shitload of heat on a ring gear, (preferably with at least 2 blokes dressed like blacksmiths), with strong steel tongs to lift a ring gear that could burn a hole through your garage floor...
2. Which is then dropped/ slipped  carefully over...
3. a near frozen flywheel...
4. lightly tap the ring gear into a square position on the flywheel. 
5. follow up with a couple of appropriate tacks from a MIG. 
6. Omit step 5, If you think you need to replace the ring gear in the next 150,000 - 350,000 miles, and don't have a spare flywheel.....
Trust me. You will replace the flywheel before you replace the ring gear again... 
Lots of heat. Placed on lots of cold. That's the definition of an "interference fit" 
Tack weld if you don't think you got it right. Just to be sure.....
Just to be sure. 
;-)


Sent from my iPhone

> On 19 Jan 2015, at 7:20 pm, Oudesluys <coudesluijs at chello.nl> wrote:
> 
> This happens fairly often when a ring gear is replaced by a incompetent mechanic. The only solution is replacing the ring gear once again. In very rare cases one can heat the exisring ring quickly to expand the ring gear without heating up the flywheel to much and bang home the ring gear. However this trick usually fails for various reasons.
> Kees Oudesluijs
> 
> 
> richard mayor schreef op 19-1-2015 om 1:45:
>> Has anyone ever seen or heard of a 6 cylinder Healey flywheel ring gear  that was not fully seated onto the flywheel. I discovered just such a situation with a flywheel from a motor that had little over 5,000 miles on it. There is a bit more than 1/8th inch gap. The ring gear was rubbing on the top 2 rear engine plate mounting bolts. It was definitely a noise maker.  I suspect that is why the engine came out of the car at such low mileage.
>> 
>>  Richard Mayor
>> 
>> 
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