ok i bought a 2003 4.6 out of a expedition, 5,000 miles on it, the shop qouted me 750 plus tax to install it in my 2002 f-150 4 wheel drive 4.6 he called me yesterday and told me the intakes werent the same the wiring was diffrent the vacume was diffrent? and wants 1,200 thats a 50 percent increase and hes already started! this sounds like bull to me am i being hosed?