If you dont have a fairly thorough understanding of the system, engines and tuning plus a dose of patience, dont buy one of these. In 2000 a new shape zip was introduced and production continues today. Bells fourstroke performance tuning book, this book goes into extreme detail regarding performance tuning a twostroke engine. This is a very hard to find and excellent handbook for anyone looking to tune their 2 stroke engines. Whats available on the internet isnt very organized or consistent. It clearly shows the air fuel mixture as a green mist while entering the engine through the intake track. The revisions were to be so extensive on the authors the basic design of twostroke engines that what was to be a second edition evolved into a new book. We have a very successful and comprehensive collection of ford efi tuning guides, including a guide for hp tuners for fords.
If you want to get more power out of your mgb, you need to read this book. He converted it into a drag bike, modified the engine completely and added mikuni carbs. The great attraction of the twostroke is its enormous potential, contrasted with its appealing simplicity. With thick pages and highquality construction, this book is designed to withstand heavy shop use. Zips are produced with a 50cc engine as either a 2stroke or 4stroke. Provides advice on mgbmgb gt suspension, brakes and dyno tuning. This is the most comprehensive efi tuning and calibration book available and that is why it has sold in 36 countries worldwide and is used as the efi tuning text book by technical schools such as school of automotive machinists and studied by students at lincoln tech and wyotech. 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. The latest trend in twostroke carbs features a pump that sprays fuel into the venturi from 14th to 34th throttles. Master efi tuner gm efi i am in no way affiliated with author or business, just thought i would share a good find. Information and modification tips for 2t g, 18rg, and 3tgte toyota engines. Tuning engines can be a mysterious art, all engines need a precise balance of fuel, air, and timing in order to reach their true performance potential. Li 125 to li 150 spec, other standard barrel conversions, defines stage 1 tuning on most models, carburetors, exhaust systems, port timing, gearing, disk brakes, and has a handy gear chart in the back.
Loads of equations, fairly modern information, and an easy enough read for the mechanics out there who just now how to make there engines run, rather then how to make them better then when they came out of the factory. This covers conversions from one smaller cc motor to a larger production model engine ex. New ultimate tuning guide for gm if you are connected to the ford tuning world, maybe you have heard of lasota racing technologies. After really good sales of my autobiography the mechanic who got lucky, i have completely sold out. A reference book for the enthusiast engine tuner and race engine builder. He still uses the engine every day, without any problems. Two stroke engine development, modifications and dyno tuning for motocross, offroad and enduro. Please send us an email at email protected if you dont find the tcr parts you search, we have all tcr parts avaiable on special order. If you build things today, and you want to build twostroke engines tomorrow, this book will tell you how. 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. Drawing on his practical experience in tuning and modifying highperformance road, rally and race units, it sets out in detail the many prionciples involved in tuning fourstroke engines. If you look at other gm tuning engine building book prices, you will see that most. Piaggio typhoon 50 2t parts distribution scootertuning. The inlet port opens 30 after bdc and closes 79 after tdc.
Many thanks to everyone that bought the book and i hope you enjoyed it the forward is written by james whitham, and there are contributions from niall mackenzie, terry rymer, jim moodie and jeremy. Lets journey back to 1973 and read the book that was the two stroke bible of that era. It covers not only two stroke motorbike engines, but also car engines as well. If you wish to buy the two stroke dirt bike engine handbook and the four stroke dirt bike engine handbook together, please visit our website at.
The morbidelli 125 twin road racer is a rotary valve engine. Advanced tuning takes engine tuning techniques to the next level. I encounter a lot of newcomers at the track, and they are all. The piston crown opens and closes the exhaust and transfer ports. Twostroke high performance engine design and tuning. Advanced tuning, author and calibration engineer greg banish provides the reader with the insight required to understand and tune modern efi systems.
The most popular setups are the 2000cc 2tg and 2200cc 18rg with all. Great book for those of us who like to really get nitty gritty with their engine tuning. The parts lists and diagrams on this site are as originally created by villiers engineering. The sprinter trueno j had the 2t b ohv with twin down draft carburettors. The best 2 stroke engine resource tuning troubleshooting carburetor oil animation repair rebuild diagram parts gas.
Graham bell steers you through the various modifications that can be made to coax maximum useable power output. John and i worked for the same corporation and i found a 500 triple kawasaki for him at a reasonable price. What weve attempted to do here is to consolidate some of our engine tuning setups for the engines we use and have experience with. The information used in the programs calculations was taken from the books the basic design of the two stroke engine and the book design and simulation of two stroke engines. From a very humble beginning, the twostroke internal combustion engine. Build a powerful and reliable engine the first time without wasting money on incompatible components or modifications that dont work. It covers early development work and since it was written in 1968, does not have any of the powerful twostrokes of the later period. The twin cam engines will respond to tuning like real race engines. I have cleaned them and transcribed the parts lists. Reviewed in the united states on february 11, 2014. Cam timing, ignition, compression ratios, exhaust design, port profiles all have their own advantages and disadvantages. Two stroke motors are more efficient that four strokes for a few reasons. Toyota corolla levin and sprinter trueno wikipedia.
Ktm exc and sx two stroke performance engine tuning. Engine tuning is the adjustment or modification of the internal combustion engine or engine control unit ecu to yield optimal performance and increase the engine s power output, economy, or durability. Those of us who have grown up in the japanese twostroke. It is a musthave for tuners and calibrators and a valuable resource for anyone who wants to. I would have to view it as a history book, but one that is necessary to any complete library of engine design. New material on electronic fuel injection and computerized engine management systems. Two stroke cylinder porting tips watch this before you start cutting. Detailed modifications and improvements are described. This book explains how the efi system determines engine operation and how the calibrator can change the controlling parameters to optimize actual engine performance. The most common mistake is to choose the wrong combination of engine components, making the engine run worse than stock.
Burgess covers the bmcbritish leyland bseries engine except the early 3bearing crankshaft unit as fitted to the mgb and mgb gt. I dont usually push products but i have to on this book. I dont know how much hp this engine has, since it was not tested on a dynometer bench. I didnt think he could expand on that topic, but i was wrong. A myriad of different aftermarket accessories is available for you to custom tune your bike to better suit your needs.
Decades have passed since i hung around with john and jim. It is the first one i have read that actually explains what the tables do, what you should put in them and what the changes will do for hp tuners. Understand that you will have to program all of the values to make the engine start, warm. Two stroke performance tuning chapter 3 porting and cylinder scavenging today, when we take a look down the cylinder of a twostroke engine, we find its walls literally filled with ports to handle the induction, transfer and exhaust phases of gas flow through the engine. Velosolex s 3800 2stroke tuning and engine design books. Two stroke cylinder porting tips watch this before you. Old school vintage saab two stroke engine tuning on monte carlo 74mm engine.
As said though the 4stroke engine tuning book is really good, dispels the myths that you can blindly buy all these stupid bits like skunk2 tbs and wack them on the car to get massive gains. Graham bell explains and analyses every aspect of an engine s operation in this illustrated book. Other books to his credit are modern engine tuning, twostroke performance. Specialising in engine development for junior racing. There is a lot of tuning information out there, but its mostly in peoples heads. In the past, carb manufacturers made jet needles that attempted to compensate for the natural lean condition of the midrange but that compromised the jetting at full throttle. Graham bell is an acknowledged expert on engine tuning, with many years experience in this field. Porting your cylinder head is a great way to increase power. Basic 2 stroke tuning changing the power band of your dirt bike engine is simple when you know the basics. The other levins and truenos used the 2t g high compression or 2t gr low compression twincam engines with two double venturi side draft mikuni carburettors. There are no industrial engines on his site, please go to villiersparts.
Other books to his credit are modern engine tuning, twostroke performance tuning and forced induction performance tuning. Details about toyota t 2t engines repair manual original service shop book. When attempting to tune up a motorcycle, consider these main points. I personally found it fun to work on this engine and it makes me proud that it is being used every day.
Terry mcgean hemmings muscle machines 20070401 if you are willing to spend the time learning the technology this will be a great book for your library. In the original edition of how to power tune mgb 4cylinder engines, peter burgess produced what is arguably the most comprehensive book ever written on mgb cylinder heads. Best source for piaggio typhoon 50 2t scooter parts and accessories in usa and canada. Other books to his credit are modern engine tuning, twostroke. Road and race motorcycles european cafe racer specialists ducati, laverda, moto guzzi, mv. Drawing on the authors many years of experience in tuning and modifying highperformance road, rally and race units, every aspect of an engine s operation is explained and analyzed. It is my hope that this book will assist the enthusiast involved in motocross. P type needle jets are intended for use primarily in 2stroke piston port engines. These engines respond extremely well to simple work keep the stock cdi, carb and exhaust and just setup the head and do some midtop cylinder porting for an extremely competetive bike the ktm 125 engine up to 2015 is very strong and responds very well to some sensible mods.