1985 Chevy Pickup

I Am Going To Buy A 1985 Chevy Pickup. Has 270,000 Miles On It But The Motor Was Redone 5 Month's ago. Motor Is A 350. Has New Dual Exhast. And 2 Fuel Tanks. Going To Give $1,000 For It. But One Problem The Cab Mounts Are Rusted Out. Could It Be Fixed. Let Me Know snipped-for-privacy@aol.com