Have a 53 1.8 design. 45K miles, serviced only at GM franchised dealers.
Before last service in July 2007, experienved wobbling senstation between 40-50MPH. GM service said I should have road wheels balanced. Have just had 4 new branded tyres and had them all balanced twice although wobble still exists. Appears to be more an engine thing as whole gearlever shakes also. Only happens durring acceleration when engine is under load, never when decreasing speed. I'm at a loss. Any ideas!