11th December 1997, Page 18
11th December 1997
Page 18

Page 18, 11th December 1997
Close
Microchip Middleweight
by Steve Sturgess • Cummins' latest US engine launch is the ISC, an electronically controlled, 24-valve derivative of its 8.3-litre, six-cylinder C-Series. Changes to the engine......
Fuel System
• A four-valve head was essential, but in the smaller engines with reduced bore dimensions, finding space for the valves and the central injector was a real challenge. On the......
Mechanical Changes
• The 24-valve head is new; an important feature is the noadjust overhead cam, significantly reducing running costs. Other design improvements include a more rigid block and......