My 92 roadster has an a weird sound when going over a bumps. Almost like two irons hitting each other from below the rear parcel shelf.. I have checked all the usual items battery firm..jack firm exhaust not hitting..any other ideas..are there any hood irons that could do this? the hood is new and up. (1/00)

I had a metalic clonking(only over bumps) coming from under the passenger seat:- turned out to be some small diameter tubing(under the bonnet) knocking against the engine bulkhead. (1/00)

That's almost certainly what it is. There are 2 torsion bars which hold the boot open, if they get out of alignment they knock against each other. Judicious use of brute force cured mine. (1/00)