Category
5 articles
The moment you discover the final +0.040 piston has vanished is not the moment to guess. Here is a measured, UK-garage route through bore taper, liner options, machine-shop choice and clearances that suit real roads rather than catalogue fantasy.
Modern piston coatings can rescue a tired British single — or introduce a fresh set of headaches. Here is a garage-level look at skirt films, thermal-barrier crowns and the application traps that catch out first-time rebuilders.
A shiny gudgeon pin is not automatically a good one. Here is how to measure small-end bushes, read wear ridges and avoid the false economy that turns a fresh British single top-end into a rattly reminder.
Every tired British engine has an accent, and learning to translate it is the cheapest diagnostic tool in the shed. Here is how to separate cold piston slap from ring flutter, pinking from exhaust blow, and a small-end knock from the big-end rumble that means the crank is coming out.
A seized British single rarely dies without leaving clues. Here is a garage-floor method for reading the damage, checking bore clearance and ring gaps, and squaring modern E10 petrol with an engine designed for leaded fuel.