John,
Don't forget to measure the distance between the UPPER perch and upper
mount hole. It was a hard learned lesson that that distance WILL change
the ride height! (if differant)
Bill
Dr John Upham wrote:
>
> Russell,
> Thanks. If you get a chance can you measure the distance between
> the lower bolt eye on the damper unit and the top of the lower
> spring platform. I can then compare that with the Koni unit.
>
> Regards,
>
> JU
>
> russell.towns@kvaerner.com wrote:
> >
> > John
> >
> > I believe that both Matt and I use 130 lb/inch with 14" free length on
> > Monroe shocks at the front. The back is either 130 or 2 x 65 as with
> > yours..
> >
> > Have you tried the scientific method to calculate your ratings?
> > Assuming your springs are 13" and 185 if they are compressing by 3" then
> > the weight at the front is 6 x 185 = 1110.
> > If you want them to compress by 4" then divide 1110 by 8 = 139
> >
> > I would have thought the difference between 130 and 185 would make about
> > 1 - 1.5" difference. So with a shorter length you should not have been
> > far off. What size are the collets that hold the spring on the shock?
> >
> > All guess work though. Good Luck!
> >
> > Russell
> >
> > -----Original Message-----
> > From: tvrdude@netzero.net [mailto:tvrdude@netzero.net]
> > Sent: Wednesday 3 January 2001 02:45
> > To: webmaster@ukmotorsport.com
> > Cc: tvrdude@netzero.net; tvr@autox.team.net; Towns, Russell
> > /JBEC-Portsmouth,IT; russell@hockerley.freeserve.co.uk;
> > mtowns@westsussex.gov.uk
> > Subject: Re: Vixen front spring free lengths and rate? 2222222
> >
> > John,
> > Sorry, just thought of other things. where are you measuring the extra
> > 1-2"? If at the bumper in front, this would be greater measurement than
> > at the wheel. Raising the rear would drop the "front bumper" more if
> > that
> > is your desired outcome.
> > Bill
> >
> > Dr John Upham wrote:
> > >
> > > Dear All,
> > > The front of my Vixen S3 is sitting too high. The rear seems
> > > about right on
> > >
> > > 4 x 65 lb/inch (measured on a spring compressor
> > > at Reading University) of 14" free length
> > >
> > > The fronts are 185 lb/inch and 13" free length (I think
> > > but not sure).
> > >
> > > Bearing in mind I'm using a 1600 Kent Crossflow engine with
> > > an alloy bellhousing, can anyone recommend some front
> > > spring spec figures please?
> > >
> > > I reckon the car is nose up by around 1-2 inches too much.
> > >
> > > Best Regards,
> > >
> > > John
> > >
> > >
> > >
> > > --
> > > 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)
> > > Registered address: Reid House, Mill Hall, Cuckfield, West Sussex RH17
> > > 5HX
> > > Registered number: 3445711
> >
> > Shop Safely Online Without a Credit Card
> > http://www.rocketcash.com
>
> --
> 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)
> Registered address: Reid House, Mill Hall, Cuckfield, West Sussex RH17
> 5HX
> Registered number: 3445711
Shop Safely Online Without a Credit Card
http://www.rocketcash.com
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