Stephen,
I don't think that the chassis broke but that they rear uprights
failed
and/or the quill shafts snapped. Either event would have been
inconvenient.
Regards,
JU
Hill, Stephen M EDUC:EX wrote:
>
> The following email reminded me of a question I intended to ask a while ago.
> When the Ford V8 was installed in the Griffith, did they reinforce the frame
> in anyway?? The reason I ask is I was talking to someone who told me the
> cars were so dangerous they were banned from some kinds of racing in the US.
> Was this because the frames broke??
>
> Stephen
> TVR 2500
> > ----------
> > From: Dr John Upham[SMTP:webmaster@ukmotorsport.com]
> > Reply To: webmaster@ukmotorsport.com
> > Sent: Wednesday, June 28, 2000 4:26 PM
> > To: Skip Gurnee
> > Cc: Hill, Stephen M EDUC:EX; 'TVR mailing list'
> > Subject: Re: Tuning 2500
> >
> > Skip Gurnee wrote:
> >
> > >
> > > Hmm-forward holes for the steering rack? In mine, it caused the
> > > steering arms to be angled much too far to the rear, maybe 20 degrees!
> > > Bump steer was minimized by moving the rack vertically, not
> > > horizontally.
> >
> > This is correct: bump steer is cured by moving the rack vertically.
> >
> > Could there be differences in frames???
> >
> > I doubt it at least the chassis are the same for various Vixens where
> > the
> > rack mounts but there are some other wierd differences occasionaly.
> >
> > Regards,
> >
> > JU
> >
> > > Best,
> > > Skip
> > >
> > > Dr John Upham wrote:
> > > >
> > > > Skip,
> > > > How much space frame twist is there with 230bhp (although the
> > > > torque figure is more relevant)?
> > > >
> > > > I'd guess most of the twist is in the middle section but a decent
> > > > roll cage should stiffen it up properly. I assume you do have
> > > > a roll cage rather than just a roll hoop?
> > > >
> > > > Whilst I''ve been rebuilding my Vixen S3 I've bought an Impreza
> > > > WRX which is quite amusing but not as much fun as the TVR.
> > > >
> > > > Where do you get your BDA parts from?
> > > >
> > > > Regards,
> > > >
> > > > John Upham
> > > >
> > > > Skip Gurnee wrote:
> > > > >
> > > > > Steve-
> > > > > Dare I quote the old adage about "speed costs money how fast, etc.?
> > The
> > > > > money you spend will be somewhat dependent on your plans for the car
> > and
> > > > > how long you intend to keep it. If it's a lifelong venture like my
> > > > > Vixen, then do whatever you want without regard to resale value. If
> > you
> > > > > have thoughts of selling it someday, then I second Bob's vote about
> > > > > changing engines. I also second Will's thoughts about other
> > > > > modifications required. My car is running a 230hp Cosworth BD
> > engine,
> > > > > and EVERYTHING has been changed in the suspension and drive train to
> > > > > support it. The total cost is several times what you're
> > considering.
> > > > > The TVR can handle 175hp, but the drive train will see a large
> > > > > percentage increase in stress, with consequent increase in breakage
> > > > > possibilities. The mods on my car didn't come all at once; they
> > came as
> > > > > a result of fixing the "next weakest link".
> > > > > By the way, the money and frustration are forgotten when the car
> > stays
> > > > > together and you win.
> > > > > Best,
> > > > > Skip Gurnee
> > > > > 1970 Vixen S2 LVX14704
> > > > >
> > > > > "Hill, Stephen M EDUC:EX" wrote:
> > > > > >
> > > > > > I have been researching what can be done to warm up my stock TR6
> > engined
> > > > > > 1972 TVR, which as folks know is only 106 hp stock. I have triple
> > webers on
> > > > > > it, a header, and I am acquiring pieces and info to go the rest of
> > the way.
> > > > > > The more research I do, the more I realise how difficult and
> > expensive it
> > > > > > will be to get a realiable 175 hp out of it, and I am wondering if
> > I will be
> > > > > > happy with that amount of hp. Perhaps I should go the Rover
> > aluminum V8
> > > > > > route, or maybe a late Ford 5.0 litre mustang setup. I figure if
> > I dump
> > > > > > $3000 into the TR6 engine and am not happy with the results, I
> > will be
> > > > > > pissed off. I am also starting to realise that the car would be
> > worth more
> > > > > > for resale with a V8 than with with a hot TR6 engine. Comments??
> > > > > >
> > > > > > Stephen
> > > > > > 1972 2500 TVR
> > > >
> > > >
> > > >
> > > > --
> > > > Dr John Upham, The UKMotorSport Index,
> > > > http://www.ukmotorsport.com/, webmaster@ukmotorsport.com,
> > > > Voice: +44 (0) 976 634 053 (W), Voice: +44 (0) 125 287 2551 (H),
> > > > Voice: +44 (0) 976 634 053 (M)
> >
> > --
> > Dr John Upham, The UKMotorSport Index,
> > http://www.ukmotorsport.com/, webmaster@ukmotorsport.com,
> > Voice: +44 (0) 976 634 053 (W), Voice: +44 (0) 125 287 2551 (H),
> > Voice: +44 (0) 976 634 053 (M)
> >
> >
--
Dr John Upham, The UKMotorSport Index,
http://www.ukmotorsport.com/, webmaster@ukmotorsport.com,
Voice: +44 (0) 976 634 053 (W), Voice: +44 (0) 125 287 2551 (H),
Voice: +44 (0) 976 634 053 (M)
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