I have a 1991 firebird me and my grandpa started the build in high school and hed to sell it shortly after he passed not to long ago I bought it back in poor shape and its almost done just one part I cant find anywere mostly due to the fact I dont know the name of the part it is a metal hose thar plugs in under thermostat and has roted out and needs to be replaced any advice where to get the part no local junkyards have the part seems its a common thing cause there all missing or broken any help would be greatly appreciated it is a 1991 firebird 3.1 v6