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Hey Guys, Urgently need some comments on what some think may be the problem with my Ute... Accelerating up to 130kmph ... all smooth... when over 130kmph, a real rough feeling like a strong harsh vibration comes on strong feels like its coming from under drivers feet / back of the engine... remains this way up to about 170kmph, and over this speed it goes smooth again. Regardless of half accelerating or full throttle, its impossible to get away from this rough, harsh feeling & sound coming on... sounds like something is badly wrong. Been an issue for a number of months now, I haven't really worried about it as I don't often get up to those speeds I have a generic 14psi tune - when this is loaded into the car, and when the car is totally returned to stock, there is no difference... still the same issue. The only possibility I wondered about is the fact I have removed the restrictor ring and haven't had any tuning to allow for this change.... but im not sure that such a small change could have this impact. Glad of any / all comments on how people think I could fix this / what it is! Cheers
