[Rovernet] P6 final drive

[Fletcher Millmore]

Look into other treatments - stress relief, cryo, peening all help, 
especially in combination. See Metal Improvement company etc. Much of 
this stuff was first done by SoCal hotrodders so they could abuse final 
drives - ie putting 1000hp through a 40's Ford axle.

FRM

On 3/3/2015 4:34 PM, Scruggs Family via Rovernet wrote:
> Ah, thanks, Vern...  I'd forgotten about those things.  I suppose it
> wouldn't be too difficult to have a good set of 2000 axles shot peened...
> which reduces the likelihood of surface cracks.  Never had that problem but
> have had the differential mounting bracket develop stress cracks.
>
> Said the one-armed alligator wrestler, "We learn as we go."
>
> Gross
>
>
>
> -----Original Message-----
> From: Vern Klukas [mailto:vern at inkspotco.com]
> Sent: Tuesday, March 3, 2015 4:13 PM
> To: Scruggs Family; Rovernet
> Subject: Re: [Rovernet] P6 final drive
>
> Dermot meant what I would call the stub axles on the diff that the half
> shafts bolt to. Rover calls them drive shafts.
>
> Yours
> Vern
>
>
>> On Mar 3, 2015, at 1:02 PM, Scruggs Family via Rovernet
> <rovernet at rovernet.org> wrote:
>> Dermot,
>>
>> Clarification please... you said "drive shafts"... did you mean to specify
>> "half shafts?"  Was there a common point at which these failures took
> place?
>>
>> Thanks,
>> Gross Scruggs
>> Annapolis, MD
>>
>> -----Original Message-----
>> From: Rovernet [mailto:rovernet-bounces at rovernet.org] On Behalf Of Dermot
>> Harvey via Rovernet
>> Sent: Tuesday, March 3, 2015 1:19 PM
>> To: Rovernet at rovernet.org
>> Subject: [Rovernet] P6 final drive
>>
>> There is another factor with P6 final drive - the differential drive
> shafts
>> are different! The 3500S drive shafts are shot peened which is supposed to
>> make them stronger. I think these drive shafts are a weak point in the
> rear
>> end. I had a 3500S once where the drive shaft completely sheared leaving
> me
>> stranded. I like to take these drive shafts out and see how 'upset' the
>> splines are before using or selling a rear end. I have seen quite a few
> that
>> are well on their way to twisting off!
>> Thank you David Walter for the harmonic balancer info.
>>
>> Dermot Harvey
>> Spectral Kinetics
>>
>> -------------- next part --------------
>> An HTML attachment was scrubbed...
>> URL:
>>
> <http://rovernet.org/pipermail/rovernet_rovernet.org/attachments/20150303/fb
>> d3b25e/attachment.html>
>> _______________________________________________
>> Rovernet mailing list
>> Rovernet at rovernet.org
>> http://rovernet.org/mailman/listinfo/rovernet_rovernet.org
>>
>>
>> _______________________________________________
>> Rovernet mailing list
>> Rovernet at rovernet.org
>> http://rovernet.org/mailman/listinfo/rovernet_rovernet.org
> Inkspot Type & Design	250 864 5619	in at inkspotco.com
>
>
>
>
>
> _______________________________________________
> Rovernet mailing list
> Rovernet at rovernet.org
> http://rovernet.org/mailman/listinfo/rovernet_rovernet.org
>