use screw extractor, get them at sears for 20 bucks they are great for rounded bolts
the extractors worked great ony had 5 broken bolts in disasembly 4 on the manifold to exhaust and one water pump bolt
use screw extractor, get them at sears for 20 bucks they are great for rounded bolts
the extractors worked great ony had 5 broken bolts in disasembly 4 on the manifold to exhaust and one water pump bolt