MY car does the same thing. I have had the wheels balanced, road force balance and checked. At 75 the wheel shakes every 4 secs for about 3 sec duration. the faster I go, the faster the delay in shakes, until it is constant shaking at about 90. then somedays it is smooth as glass.
I have no idea what this could be....any ideas would be great.
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2002 S
Pedro rear stabilizer bar, CF strut braces, Maxspeed headers with 100 cell cats, Fabspeed cat bypass pipes, H&R springs with M030 setup, TRG rear links, EVO air intake, B&M Short shift kit, Raby IMS upgrade, Raby underdrive pulley
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