I WOULD CHECK WITH A DLR ON THE ENG PRICE , I KNOW THEY DID HAVE A COMPLETE ABOUT 90% ENG AVAILABLE THERE FOR A WHILE AND THE FLAT RATE TIME TO DO THAT ENG IS ABOUT 6 HRS , IT IS NOT A LONG DRAWN OUT PROCESS , BECAUSE THERE IS SO MUCH ROOM TO WORK, A 4WHL DR MIGHT BE A BIT LONGER , BUT EVEN AT 90.00 AN HOUR THAT IS OVER 11 HRS TO DOT THE JOB ??????????????????? THE 4000 INSTALLED AT A DLR PROB IS NOT TOO FAR OFF BUT YOU HAVE A NEW ENG JERRY