A fundamental question that will help my CRX in the rain
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A fundamental question that will help my CRX in the rain
OK, when I have autocrossed my STS2 CRX in the rain, I've noticed (surprise) that my dry setup is much more prone to spin that my old car's dry setup (wich became more prone to understeer).
I've been thinking aobut finding an alternate ride-height adjustment that would make some of the tail-happy go away for wet events, but I want to find out what the dynamics are first so here are my questions:
When you lower the front, what happens to toe? In or Out?
When you lower the rear, what happens to toe? In or Out?
Any other ideas and suggestions about making the CRX less spin-happy on the wet are welcome.
I've been thinking aobut finding an alternate ride-height adjustment that would make some of the tail-happy go away for wet events, but I want to find out what the dynamics are first so here are my questions:
When you lower the front, what happens to toe? In or Out?
When you lower the rear, what happens to toe? In or Out?
Any other ideas and suggestions about making the CRX less spin-happy on the wet are welcome.
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Joined: Oct 2002
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From: Pittsburgh, PA
Re: A fundamental question that will help my CRX in the rain (fireant)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fireant »</TD></TR><TR><TD CLASS="quote">OK, when I have autocrossed my STS2 CRX in the rain, I've noticed (surprise) that my dry setup is much more prone to spin that my old car's dry setup (wich became more prone to understeer).
I've been thinking aobut finding an alternate ride-height adjustment that would make some of the tail-happy go away for wet events, but I want to find out what the dynamics are first so here are my questions:
When you lower the front, what happens to toe? In or Out?
When you lower the rear, what happens to toe? In or Out?
Any other ideas and suggestions about making the CRX less spin-happy on the wet are welcome.</TD></TR></TABLE>
Do you have adjustable dampers? Try turning down the rebound a bit in the wet, and make the rear softer than the front. Adjusting tire pressures to give the rear a bit more grip (or take some away from the front) would help too.
How are your rear trailing arm bushings BTW? What is your spring/bar setup? What are your alignment settings? What is the tread like on your spec Azenis (ha
) and how much standing water do you usually get on the course? What car did you have before?
Also, remember to be VERY smooth with your inputs, and anticipate what the car will do so that you can compensate ahead of time. This takes a bit of practice; CRXes are really twitchy and spin-happy with that short wheelbase (don't I know it
) and sometimes small inputs that wouldn't normally matter in a long-wheelbase car will upset the car enough to cause a spin.
When you lower the front, it toes out (hence the inside shoulder wear). Not sure what the rear does.
I've been thinking aobut finding an alternate ride-height adjustment that would make some of the tail-happy go away for wet events, but I want to find out what the dynamics are first so here are my questions:
When you lower the front, what happens to toe? In or Out?
When you lower the rear, what happens to toe? In or Out?
Any other ideas and suggestions about making the CRX less spin-happy on the wet are welcome.</TD></TR></TABLE>
Do you have adjustable dampers? Try turning down the rebound a bit in the wet, and make the rear softer than the front. Adjusting tire pressures to give the rear a bit more grip (or take some away from the front) would help too.
How are your rear trailing arm bushings BTW? What is your spring/bar setup? What are your alignment settings? What is the tread like on your spec Azenis (ha
) and how much standing water do you usually get on the course? What car did you have before?Also, remember to be VERY smooth with your inputs, and anticipate what the car will do so that you can compensate ahead of time. This takes a bit of practice; CRXes are really twitchy and spin-happy with that short wheelbase (don't I know it
) and sometimes small inputs that wouldn't normally matter in a long-wheelbase car will upset the car enough to cause a spin.When you lower the front, it toes out (hence the inside shoulder wear). Not sure what the rear does.
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Re: A fundamental question that will help my CRX in the rain (Targa250R)
OK, I have the "forumula STS" setup: Koni Yellows, Ground Controls (400f/500r), and the ST rear sway. Azenis are mid-life... still have tread.
I keep the toe at zero, and I'm shooting for -2.4 front and -1.5 rear camber.
I've been running the fronts at 1/4 from full-soft, and the rears at 1/4 from full-stiff. Im guessing if I were to revers that it would dial in some understeer and I wouldnt have to mess with ride hieghts for the rain.
I keep the toe at zero, and I'm shooting for -2.4 front and -1.5 rear camber.
I've been running the fronts at 1/4 from full-soft, and the rears at 1/4 from full-stiff. Im guessing if I were to revers that it would dial in some understeer and I wouldnt have to mess with ride hieghts for the rain.
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