Cracked Exhaust Manifold? Your Cylinder Head Is Next
A leaking exhaust manifold warps aluminium heads and cracks cast iron ones. Here is the damage pattern we see on the bench, and why we measure before we machine.
Can a Cracked Cylinder Head Be Saved? When Stitching Beats Replacement
Most shops condemn a cracked head on sight. How cold metal stitching permanently repairs cast iron, how aluminium heads are welded and re-machined — and when replacement really is the better call.