Triumph Twin Head Repair

A recent article about the repair of a classic Triumph Twin cylinder head, here.
Triumph 8 stud heads have always had a reputation for cracking due to their method of production. The heads had cone shaped cast in seats which meant they did not fall out but that they caused this cracking.
The Cylinder Head Shop has worked to develop a fix …

Serdi 100

CHS Seat Cutting on Formula One Standard Equipment. The Serdi Systems were the first valve seat cutting equipment capable of producing the degree of valve seat accuracy required in today’s formula one racing engines and is widely used by a number of racing teams and leading manufacturers.
Although now superseded by the Serdi 5 & 7, the Serdi 100 remains the …

Tuning for Speed

Philip Edward Irving OBE, C.Eng., M.I.Mech.E., M.S.A.E., (1903–1992) was an Australian engineer and author, most famous for the classic engine performance guide, ‘Tuning for Speed’.
Tuning for Speed should be on the top 10 list of just about everyone’s motorcycle classic book list and has been called “one of the best books ever written on the improvement of motorcycle engines”. …

Rolling Roads in the UK

Carb Settings and rolling roads, how to set your head up properly.
After having your head re-worked to high quality, close tolerances, setting up your head requires expert help re-jetting the carbs. This will add to its performance, clean running, emissions level and longevity. Injection systems also require re-calibration, but this is not quite as critical.

We recommend that you use a …