hi stupidly i sold my 4.6 and went for a 1997/98 4.0 when i first got everything was fine but having issues no firstly when i got speedo worked then stopped everything else on cluster works i reversed off the drive 1 day was a bit of a clunk and speedo worked again so no risk of speeding fine lol now has stopped working yet again aggghhhh secondaly i had a drive belt pully/tensioner replaced and belt as was a bit wobberly since then the horrible noise has come bk its ok on revving but as soon as revs drops or at a standstill theres this bloody annyoing noise plz help sum 1 as these aerent the only probs i have il be scrapping at this rate !!!!!