[Healeys] Overdrive Question

[David Porter]

On 11/5/2016 8:03 PM, David Porter wrote:
>
> I use Yamabond. For sealing Al motorcycle engines. I like it. DaveP
>
>
> On 11/5/2016 3:01 PM, Roger Grace wrote:
>> Sorry to reopen this, but have this same leak in my BJ8 OD and fixing 
>> it is one of my Winter projects.
>> Given that the black sealant stuff that was used before didn’t last 
>> (have no idea how long ago or what it is) and that there is no oil 
>> pressure on the joint, am sensitive to using what is the appropriate 
>> goo that will last and contain the oil.
>> Have done some checking around and the Hylomar universal blue is used 
>> by some shops that fix OD’s.
>> Overdrive Services (ex Laycock people in UK) tell me that the 
>> originals were sealed with a product called Wellseal.
>> Nowadays they use a Wurth sealant that mentions flange mating in its 
>> website blurb.
>> BTW they said that they could supply me with a gasket for this joint 
>> that seems like a good idea ?
>> The reality is that these are 2 Al flanges that are mated without a 
>> gasket. I wonder why ?. Plan to do some careful flatness checking 
>> when have my hands on them.  Has anyone had a problem with the mating 
>> flatness ?  do they have a tendency to warp over the years and maybe 
>> abuse too ? given the shape not easy to machine flat - why do they leak ?
>> Comments/ideas please.
>> rg
>> *From:* David Porter
>> *Sent:* Wednesday, October 26, 2016 7:15 AM
>> *To:* Bob Spidell ; John Spaur
>> *Cc:* healeys
>> *Subject:* Re: [Healeys] Overdrive Question
>>
>> seems like any RTV that is oil compliant will work. There is no 
>> internal pressure that will force oil out. The oil level in the OD is 
>> just above the operating shaft level, hence the need for the o-rings 
>> on the shaft.
>>
>> DaveP adding to the wisdom....
>>
>>
>> On 10/26/2016 7:40 AM, Bob Spidell wrote:
>>> Soooooooo ... both types of Hylomar WILL seal the joint?
>>> ------------------------------------------------------------------------
>>> *From: *"John Spaur" mailto:jmsdarch at sbcglobal.net
>>> *To: *"WILLIAM B LAWRENCE" mailto:YNOTINK at msn.com, "healeys" 
>>> mailto:healeys at autox.team.net
>>> *Sent: *Tuesday, October 25, 2016 8:27:53 PM
>>> *Subject: *Re: [Healeys] Overdrive Question
>>>
>>> In my experiences neither of the two types Hylomar will not seal 
>>> that joint.
>>>
>>> John Spaur
>>>
>>> San Jose
>>>
>>> *From:*Healeys [mailto:healeys-bounces at autox.team.net] *On Behalf Of 
>>> *WILLIAM B LAWRENCE
>>> *Sent:* Sunday, October 23, 2016 8:26 PM
>>> *To:* healeys at autox.team.net
>>> *Subject:* [Healeys] Overdrive Question
>>>
>>> …disassembly of the OD because it is seeping oil at the clutch ring. 
>>> There are no gaskets, but I would like to smear some Hylomar on the 
>>> joint faces to stop the leak.
>>>
>>>
>>> _______________________________________________
>>>
>>>
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>>
>> -- 
>> Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 
>> 87107 505-352-1378 Go HERE: my world www.porterbikes.com/
>>
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>
> -- 
> Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 
> 87107 505-352-1378 Go HERE: my world www.porterbikes.com/
>
>
> _______________________________________________
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-- 
Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM 
87107 505-352-1378 Go HERE: my world www.porterbikes.com/
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