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When I had stiff front suspension I had horrid understeer and I noticed the tyre pressures weren't increasing like the back ones were. I did 4 laps on a really cold day and the pressures in the front tyres increased by barely 1 psi when the rears were 4 to 5 psi higher.
Theory says that if you wan't less understeer and more oversteer you should either:
Stiffen the rear or soften the front. Or go for a stiffer rear bar and a softer front one.
Each time I softened the front by getting the adjusters in parallel and cutting the bump stops I got better turn-in to corners and the tyres heated up more.
Now with drop spindles and a stock spring rate I can make the rear tyres squeel on turn-in and the pressures are now increasing as much as the rears. The tyres are also heating up better too.
That's why I say what I say.
My gearbox is stock 4.375 r&p box with a few minor mods but stock ratios. Jak used to use the same box which made things fun. First and second are way too short so I usually use 3rd around all the bends and 4th on the straights. The engine usually revs between 3500 and 7000 on all of the corners.
CYA CT
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