When I start my car I don't hear any virbrations. When I shift it in gear it virbrates up the **** just sitting there in gear. Sounds like it coming from the rear but maybe not, definitly not from the engine though. When I start moving and giving it some gas it seems to get softer. If i go driving for a while and take it on the highway I can't hear it at all. The faster I go the less vibration. And after like 10min of driving i can stop in gear and have no vibrations anymore. Whats the deal? There ahs been construction on the roads so the car has been jostled around a bit if it matters any.

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"Though I cruise through the valley of Rice I shall fear no turbo, for torque art with me."
--Cullan Hooley
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1985 IROC-Z w/T-tops, 305 out and 350 L98 TPI engine in, Hooker Super Comp Headers, 3" Hooker Super Comp Cat-Back, 3" CatCo Cat, Rebuilt TH700R4 with Shift kit, 2,800RPM Torque Converter, 3.73 Richmond gears, Auburn differential, Accell SuperCoil, Accell 8mm racing wires, BBK AFPR, Homemade Ram-Air (thanks to Andris Skulte), MAF screens removed, Dropped A/C, Dropped A.I.R, TB coolant bypass, Hurst Dual-Gate Shifter, SLP Air Foil, K&N filters, Holley performance fuel pump, Spohn Subframe Connectors, Re-located Spohn Lower Control arms, and more to come.

 

Any thoughts?

 

TTT

 

Nevermind, problem solved, nothing to do with drivetrain. It was just a loose exhaust clamp.