TwinTurbo.NET: Nissan 300ZX forum - Steering vibration above 75mph and disappearing when on gas
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Subject Steering vibration above 75mph and disappearing when on gas
     
Posted by RomChip200 on October 08, 2012 at 10:09 AM
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Message I have a very slight vibration in the steering wheel (since a while) when driving above 75mph on highway, mainly when cruising. It seems to be gone above 90mph but it still can be felt at 100mph (enough to feel it in my arm and makes driving at this speed a bit anxious)
When I put a bit of gas (to be in the range of -5 ...0psi), it disappears. Sometimes when I slightly turn (left or right), it also disappears.
Vibration is only in the steering, not in the seat, so probably comes from the front.
I have:
new front upper camber arms
rose joint tension rods
18" rims with tires in the middle of their life (both balanced when purchased)
Eiback + tokico illumina shocks
Alignment is ok: -0.3° camber on each side, total front toe in is 1mm. Caster is above 9° on each side (thanks to the adj. Trods)

What I don't understand is why it goes away when I'm slightly on gas.

     
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