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05-24-2016, 02:55 PM | #8 | |
Drives: 2009 Yaris Join Date: Dec 2008
Location: Sacramento, CA
Posts: 39
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Quote:
Hard to tell if you changed to a Tein on the rear as well, but I'd look at how you have the dampening setup on the front struts. It sounds like it's at a firmer setting (which I assume would be desirable at the track), but as you have added other suspension components, maybe now too firm? If the dampening is too firm, you're overly restricting the spring/shock travel as you come off the bumps, causing a bit of wheel hop. On the rears, I don't think the Tein has a dampening adjustment, so check the twin nuts on on the upper strut- if they are torqued down too tight, you can be overloading the shock. There's a rule of thumb from the Hayes manual that I can't recall at the moment- that you don't want less than 15mm and no more than 18 mm of exposed thread on the strut as measured from the top of the lower nut. If you re-torque these strut nuts (18 ft-lbs is the OEM spec), you want BOTH rear wheels on the ground when you do this. Finally, if the problem is worse after adding the lower support braces, I'd remove those one at a time, until you come up with a combination where you're not banging the suspension around, but still have the handling you are looking for. Last edited by Tapokata; 05-24-2016 at 11:37 PM. |
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