ok BJ,sunder.... and thos ei have forgotton .... I just bought a 4.0 efi to replce the tired old 4.2 carter carbed POS..... ok so i was doing some reading .... and i assume im gonna need a different fuel pump to accomodate the pressure needed for the EFI correct?? if so do i nee to change the tank too? or just change the lines and upgrade the pump.... i will be making the change this spring and want to cover all my bases... and yes its complete <img src="/forums/images/graemlins/nana.gif" alt="" />