Gday Terry, We havent heard from you for a while - hope everythings been good. Regarding something I was wondering about last week, you wouldnt happen to have toe vs wheel travel measurements for the rear suspension from your racing days would you??
Thanks Andrew > One of the interesting things about 1600's is that swapping rubber front > to rear doesn't alway give the results you'd expect. Modified IRS vehicles > will wear the treads in such a way that it will only track well on the end > they've been used to. It will amaze you how bad an otherwise good handling > 1600 can feel after swapping tyres around. > > The understeer and bounce sounds to me like spring rates are too soft in > the front or even all round. A good handling 1600 will usually have a > slightly stiffer spring rate in the front and with a Lseries engine a mid > range stiffness stabiliser bar. A lot of variables here but that's a rough > guide, oh and ride hide as close to level front & rear helps, if anything > 1" nose down is about what they'll tolerate. > > regards > Terry > > > thanks again guys.... > > > > hey in regards to tyre squirme i guess a tyre with a raised tread > > pattern would suffer more from this than a tyre that is smoother. > > > > hence why the aus & nascar racers grind down their tyres so their almost > > used up ? > > > > my front tyres are quite knobby looking (no their not dirt or rally > > tyres) and the back ones are getting close to their use by > > date.....maybe i should try swapping them front to rear > > > > i might try one run as is then swap them and see what their like.....at > > least it wont cost me any money to do it & i might learn something ! > > > > cheers Jeff > > > > > > Gday Jeff, > > > > One of the mechanisms by which a tyre generates cornering force is > > conceptually similar to a spring. A spring produces a force depending on > > its stiffness and how much it is stretched ie the stiffer the spring the > > more force it produces for a given deflection. In the same way, one of > > the parts a tyre creates cornering force depends on its "cornering > > stiffness". This obviously depends on its construction etc, which you > > cant do much about. But one way you can increase it (up to a point) is > > by increasing tyre pressures, which have the effect of increasing the > > sidewall stiffness. This is why you increase tyre pressures on road > > tyres when going to track days, and why raceteams can use tyre > > pressure changes between front and rear as one way to tune oversteer and > > understeer balance. > > > > Andrew > > > > > > > > > --membersozdat------------------------------------------------------- OZDAT Mailing List Please Note:- Send (un)subscribe requests to [EMAIL PROTECTED] Send submissions to [EMAIL PROTECTED] No unauthorised redistribution of this email http://www.ozdat.com/ozdatonline/index.htm http://www.ozdat.com/ozdatonline/listindex.html http://www.mail-archive.com/[EMAIL PROTECTED]/ ---------------------------------------------------------------------
