Sounds like it needs a lot...I have always found that.. let the other guy spend the money, buy a car that needs minor repairs and he needs to get rid of his car.
for $600.00 you could always sell the parts on Ebay and get your money back
2000 Ford 7.3 Powerstroke 4x4
2006 Mazda Tribute
1983 Black 300 D (donated to charity)
1993 Teal 300 D (160K) Sold
"I love the smell of burnt diesel fuel in the morning, it smells like ....VICTORY"