A detailed close-up of a welding rod fusing a cast iron engine component, with bright sparks and molten metal along the weld seam.

Best Welding Rod for Cast Iron: Top Choices for Strong Repairs

Welding cast iron requires a little more care than working with regular steel. The metal is brittle, prone to cracking, and doesn’t handle heat changes well. That’s why choosing the right welding rod is so important. The right filler gives you a better chance of producing a strong, lasting repair. Whether you’re patching up an…

A close-up of a J-B Weld ExtremeHeat metallic paste container next to a rusted exhaust manifold with a sealed crack using the gray paste.

J-B Weld ExtremeHeat Reviews: A Solid High-Temp Fix That Actually Works

When you’re dealing with cracked exhaust manifolds, busted fireboxes, or engine blocks, high heat demands more than just your average epoxy. That’s where J-B Weld ExtremeHeat steps in. This 3 oz metallic paste is designed to handle temps up to 2400°F, making it a go-to option for welders, mechanics, and DIYers needing a reliable fix…