ok so this has been happening on and off since i bought the car and i havent been able to find out what it is . ok so here is the story of what is going on .... when i drive the car for a while (15-30min.) when i hit a sharp bump in the road i hear a very loud (almost metalic/almost like the tire coming up and hitting the fender) noise . i think the sound is coming from the rear but sometimes sounds like the front . i am thinking something to do with suspension (i think they are the original struts) or possibly the exhaust hangers are getting hot and letting the exhaust hit something underneath the car . i lifted the car and looked under it and i didnt see anything that look like something hit , also when it was up i tried to shake the spring and strut didnt move at all .
when i had the exhaust work done to the car (u-bend delete & 3"down pipe) it stopped making the noise then when it went in to get the fuel line fixed it started making the noise again . thanks fellas .