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Location:
South Australia
Registered:
July 2002
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Re: Driving Techniques - How to stop the front end from 'pushing'
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Mon, 14 June 2004 10:50
 
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I'd soften the front dampers slightly in their bump-stroke. This makes it much easier to transfer weight onto the front wheels without making the outside front break lateral-traction. Stiffening the Rear dampers in rebound and/or bump can have a big effect on the amount of turn-in oversteer you can extract from the chassis, but BE WARNED!: If the car's skittish or toey to begin with, bad situations quickly become worse with a car which oversteers under braking. The rear anti-roll bar is tied into the lift-off oversteer equation aswell.
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It all comes down to the driver, if you are going in too hot, you are going in too hot. If your car is understeering on turn-in then regaining posture later on through the corner, then quicker front shocks would help - but if you're car is squatting down and just going off the road, then you need to look at spring rates and suspension height.
Stiffening rear shocks on rebound is something of a pain in the arse especially if you trail brake like a bastard 
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Location:
Melbourne
Registered:
June 2004
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Is that you working the Dirt FWDBoy?? (Avatar) nice one!!
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Tue, 15 June 2004 00:21
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I get to drive a practically endless array of commodes, state-O's. utes, Monaro's, etc etc at work, and I can assure you that front shock firmness has a huge bearing on how much weight you can transfer, especially once you've turned in. The above mentioned cars all have basically the same body and suspension (yes, I know the statey + ute have a LWB), so they all handle in basically the same way. This highlights in BOLD the difference that suspension tune makes.
For example: The U.S. Monaro (Pontiac GTO) has slightly harder springs than the Aussie spec Munro, but really firm dampers. This makes the GTO really sensitive to sudden inputs and bumps, whereas the Aus.Spec car just soaks everything up, squats and gets on with it. When the GTO's shocks make a nuisance of themselves is in the wet/low grip, when trying to get weight onto the front-end for turn in just hits a wall of compression damping. This raises the effective "rate" of the front springs through the roof, resulting in understeer before you can get enough weight up-front to make the tyres bite.
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Location:
South Australia
Registered:
July 2002
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Re: Driving Techniques - How to stop the front end from 'pushing'
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Tue, 15 June 2004 02:14
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It's a pity we don't have humungous budgets and can't go out to track days and spend hours and hours experimenting with different rate shocks to learn a bit more about setting up toyotas 
(and yeah, that's me driving, once I get my GT4 the sideways factor is going to increase twofold)
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Location:
Melbourne
Registered:
June 2004
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