havent felt much of a difference to be honest but it is playing up. Have changed the throttle pos sensor with the 2.8 one and is little bit better. mint with the 2.8 throttle bodie. have had a scanner on and found it has a mixture correction fault but i wouldnt have thought it would have done it and like i say its normal when the 2.8 is fitted ???? thanx forall your surgestions thought. great help :-)