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Setting up your Head Properly: Carburetion
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 rolling road with gas analysis equipment. In general, you will need …
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”. …
Twin Plug Conversions
The image to the right is an example of what can be achieved, a Triumph T120 oppositional-angle, twin-plug conversion. Such twins cylinder heads cost from £65.00. Other options offered by the Cylinder Head Shop include the use of an offset vertical relocation of the spark plugs and the use of 8mm or 10mm plugs.
Heads previously considered beyond twin-plug modification …
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