Saab 2 stroke tuning book by graham bell

Vintage saab two stroke race car with crazy swede driving. Several years ago i wrote a book, the basic design of twostroke engines. Bigger carburetors, higher compression ratios, altered port timings and expansion. It is my hope that this book will assist the enthusiast involved in motocross, enduro, desert, road or gokart racing to develop and tune his twostroke engine for. Other books to his credit are modern engine tuning, two.

Other books to his credit are modern engine tuning, two stroke performance tuning and forced induction performance tuning. The piston crown opens and closes the exhaust and transfer ports. Two stroke performance tuning a disc partially cut away and attached to the end of the crankshaft opens and closes an inlet port in the side of the crankcase. Design and simulation of twostroke engines internal combustion. Graham bell is an acknowledged expert on engine tuning, with many years experience in this field. Basic starting settings for 2 stroke dirt bike carbs running standard fuels. The inlet port opens 30 after bdc and closes 79 after tdc. Two stroke to turbo is a saab parts and service specialist with over 30 years in the industry. Twostroke performance tuning in theory and practice bell, a. The morbidelli 125 twin road racer is a rotary valve engine. Tuning this has nothing to do with your idle or low to midrange throttle response. The conventional saab turbocharged cars such as the 900, 93 and 9000 offer 150210hp from the factory, with tuning potential comparable to the vwaudi 1. Four stroke performance tuning 3rd ed a graham bell. Jennings book talks about port time area and porting the cylinder to have peak efficiency at a certain rpm.

Twostroke performance tuning in theory and practice. Two stroke tuners handbook 2 another mistake commonly made, sometimes even by those who have enjoyed some success in modifying two stroke engines, is to believe in a kind of mechanistic magic. Graham bell steers you through the various modifications that can be made to coax maximum useable power output. Performance tuning in theory and practice a foulis book. Saab tuning guide maptunusa tech tuner eurotuner magazine. Graham bell starts off by saying that he doesnt believe port time area and its all about the duration the ports are open. Start up of saab tuned three cyl two stroke engine youtube. I have the book, but its nice to have as a pdf as well and a good reference for those who dont know about it. His port time equations dont even include rpm, you input the dime. Fully revised this book takes the reader through the various modifications that can be made to a twostroke engine and its components to give maximum useable. I usually recommend this book along with gordon jennings two stroke tuners handbook, because this book has what the first one doesnt and vice versa. Everyday low prices and free delivery on eligible orders. Bells four stroke performance tuning book, this book goes into extreme detail regarding performance tuning a two stroke engine.