Quote:
Originally Posted by FRSFirestorm
I've put the winter stock tires/wheels back on. Decided to go out and practice launching. Any wheel spin resulted in some pretty serious wheel hop.
I'm wondering if this is a result of the Eibach springs and Koni's. I put them to full soft and it still did it.
Wondering if stock suspension guys are seeing wheel hop?
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Full soft is too soft in rebound. That's why you're getting wheel hop. Why did you do that? Unless you can adjust jounce, not usually, changing rebound is silly. There will be an ideal range, very narrow, for rebound setting as this is needed for wheel control. Setting rebound too soft is as bad as setting it too hard. For hard launches you need higher rebound resistance, not lower. You generally set rebound as soft as you can and still maintain wheel contact in bumpy corners, for wet or winter driving. For dry track work you can increase rebound resistance a click at a time until you get no improvement in lap times, highly dependent on track surface and the type of bumps.
IRS is normally pretty much immune to wheel hop. The poster who thinks live axles are better doesn't understand how suspension works.
Leaf springs are worst because the axle actually winds up against the springs and them let's go, traction bars were invented for this reason. More "modern" live axles such as fitted to the new Mustang use multi link design with coil springs partly because live axles are so awful to drive otherwise. The new Mustang doesn't suffer from wheel hop (tramp) due to this sophisticated set up, irony is irs would have been cheaper probably!