new timing chain cover, what water pump

[billison]

ok i got a new timing chain cover for my 85, it came off a 88 i think, and i need a new waterpump, what water pump do i get? a 85 or to matcht he timign chain cover?

 

[billison]

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&viewitem=&item=190022823422

this is what i got if it helps