Is your bobtail running an auto? i built a bobtail disco with a midly tweaked 300tdi and 35" Simex. It used to blow CVs for a living.
Then decided to upgrade everything (including pegging the diffs=2C hardened h/shafts=2C CVs etc etc) but started with the engine. Plonked in a 4.0 tuned V8 and a HP22 auto. Then ran out of money.
CVs stopped breaking almost completely.
Autos have an amazing ability to absorb shocks through the drivetrain=2C and cushion just about anything. The only thing i've come across that does anywhere near as good are cush drives and slip hubs.
> Date: Fri=2C 9 Oct 2009 15:46:36 +0100
> Subject: Re: [ELCO] wheel side
> From: [Email address removed]
> To: [Email address removed]
>
> In fairness. I reckon its nearly all down to driving style. We run a
> range rover v8 bobtail with 35" simex's and we are using standard
> cv's. In 5 years we have only broken 1 cv. I didn't realise the
> ashcroft stuff wouldn't last as long. Good thing we have bought any
> yet. Brian.
>
> On 10/9/09=2C Chas <[Email address removed]> wrote:
> > Could we have this in English please?
> >
> > ----- Original Message -----
> > From: "Brendan Lally via mail.com" <[Email address removed]>
> > To: <[Email address removed]>
> > Sent: Thursday=2C October 08=2C 2009 2:14 PM
> > Subject: Re: [ELCO] wheel side
> >
> >
> > John
> >
> > I'd 2nd Darren's ? on how exactly u are going 2b using them
> > I would say 4 Irish 4x4ing (lots of grass=2C bog=2C occasional rock) that u
> > r fine with the TOY version
> >
> > Over here a lot of 4x4'ers I meet (running 80's) run the std TOY
> > birfs/cv's and do not have any issue.
> > Once you move to LARGE tires sizes (talking 35" ) then u're becoming
> > more serious. Those "hard-core" guys
> >
> > I'm on 35" at the moment and don't consider myself on the edge. A lot of
> > it is do with driving style and not being stupid.
> >
> > Where I've seen birfs snap is guys (over here) climbing rock ledges
> > (known as 'waterfalls') and the truck is nearly vertical trying 2 get
> > grip with a LOT of torque being applied 2 climbing up.
> > When the tires are spinning=2C get 'air' and then come down hard on rock -
> > thats where the 'snaps' occur.
> >
> > I've run 32" Simex both in Scotland and here with no issues (I'd be more
> > concerned/careful here as more on rock surface)
> >
> > As mentioned the bird/cv can act as a 'cheap(er)' fuse so they break b4
> > something more expensive. In that respect I'd stick to TOY unless u're
> > gonna get into hard-core ...
> >
> > Brendan
> > 97 FZJ-80 -220K in Colorado on 35" Toyo
> >
> > Darren McRae wrote:
> >> The first question before your question can be answered is=2C
> >>
> >> What do you want to use it for ?
> >>
> >> You cant just punch some No's into an XL spreadsheet and get a straight
> >> forward answer on this=2C but if your going to run big tyres and drive it
> >> Like its stolen=2C then stuff is gonna break =3B-)
> >>
> >> A driver will break way more components than big tyres will.
> >>
> >> Darren McRae
> >>
> >>
> >>
> >> -----Original Message-----
> >> From: [Email address removed] [mailto:[Email address removed]]
> >> On
> >> Behalf Of john
> >> Sent: Thursday=2C 8 October 2009 11:29 PM
> >> To: [Email address removed]
> >> Subject: Re: [ELCO] wheel side
> >>
> >> Hi Christopher
> >> Thanks for that=2Cgeese you are one for the math.
> >> I am trying to see what extra strain is put on the Cv when using the
> >> bigger
> >>
> >> tyres like for off roading and is there a point at which the bigger is not
> >>
> >> the best but a compromise is better.
> >> I know that anything bigger than 39inch with the Longfield is not
> >> recommended.
> >> I know ill ask them after all they should know.
> >> cheers
> >> john
> >>
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> >>
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> >
> >
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