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.
Reconditioned vs Remanufactured vs Overhauled — What’s the Difference?
Three words that get used interchangeably — and shouldn’t be. What each actually means, the seven questions to ask any engine shop, and how to compare quotes like-for-like.
Rebore or Resleeve? How to Tell What Your Engine Block Needs
Worn bores, a block at its final oversize, or one badly damaged cylinder — the decision tree we use in the workshop, in plain language. And why a “scrap” block almost never is.
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.
Regrind or Replace? What a Worn Crankshaft Really Costs You
Bearing knock, low oil pressure, scored journals — does the crank need grinding, rebuilding, or replacing? How we decide, what each route costs in rands and downtime, and when a “scrap” shaft can still be saved.