The latest trend in twostroke carbs features a pump that sprays fuel into the venturi from 14th to 34th throttles. We have a very successful and comprehensive collection of ford efi tuning guides, including a guide for hp tuners for fords. Burgess covers the bmcbritish leyland bseries engine except the early 3bearing crankshaft unit as fitted to the mgb and mgb gt. Zips are produced with a 50cc engine as either a 2stroke or 4stroke. Graham bell steers you through the various modifications that can be made to coax maximum useable power output. From a very humble beginning, the twostroke internal combustion engine. 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.
Piaggio typhoon 50 2t parts distribution scootertuning. 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. Decades have passed since i hung around with john and jim. I encounter a lot of newcomers at the track, and they are all. The morbidelli 125 twin road racer is a rotary valve engine. I dont know how much hp this engine has, since it was not tested on a dynometer bench.
If you build things today, and you want to build twostroke engines tomorrow, this book will tell you how. Details about toyota t 2t engines repair manual original service shop book. Ktm exc and sx two stroke performance engine tuning. It covers not only two stroke motorbike engines, but also car engines as well. The most popular setups are the 2000cc 2tg and 2200cc 18rg with all. I would have to view it as a history book, but one that is necessary to any complete library of engine design. With thick pages and highquality construction, this book is designed to withstand heavy shop use. Other books to his credit are modern engine tuning, twostroke. The parts lists and diagrams on this site are as originally created by villiers engineering. Reviewed in the united states on february 11, 2014. 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. The great attraction of the twostroke is its enormous potential, contrasted with its appealing simplicity. Velosolex s 3800 2stroke tuning and engine design books.
When attempting to tune up a motorcycle, consider these main points. Basic 2 stroke tuning changing the power band of your dirt bike engine is simple when you know the basics. 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. Twostroke high performance engine design and tuning. If you want to get more power out of your mgb, you need to read this book. In 2000 a new shape zip was introduced and production continues today. Master efi tuner gm efi i am in no way affiliated with author or business, just thought i would share a good find. Two stroke motors are more efficient that four strokes for a few reasons.
I dont usually push products but i have to on this book. 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. Other books to his credit are modern engine tuning, twostroke performance tuning and forced induction performance tuning. A reference book for the enthusiast engine tuner and race engine builder.
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. Detailed modifications and improvements are described. 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. What weve attempted to do here is to consolidate some of our engine tuning setups for the engines we use and have experience with. If you dont have a fairly thorough understanding of the system, engines and tuning plus a dose of patience, dont buy one of these. Understand that you will have to program all of the values to make the engine start, warm. The sprinter trueno j had the 2t b ohv with twin down draft carburettors. I personally found it fun to work on this engine and it makes me proud that it is being used every day. The best 2 stroke engine resource tuning troubleshooting carburetor oil animation repair rebuild diagram parts gas. After really good sales of my autobiography the mechanic who got lucky, i have completely sold out. Sadly the man himself doesnt live up to the book or seem to have read what hes written. Bells fourstroke performance tuning book, this book goes into extreme detail regarding performance tuning a twostroke engine. John and i worked for the same corporation and i found a 500 triple kawasaki for him at a reasonable price. It covers early development work and since it was written in 1968, does not have any of the powerful twostrokes of the later period.
I have cleaned them and transcribed the parts lists. Road and race motorcycles european cafe racer specialists ducati, laverda, moto guzzi, mv. Two stroke cylinder porting tips watch this before you. Those of us who have grown up in the japanese twostroke. 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. Cam timing, ignition, compression ratios, exhaust design, port profiles all have their own advantages and disadvantages. It is a musthave for tuners and calibrators and a valuable resource for anyone who wants to. 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.
There are no industrial engines on his site, please go to villiersparts. The engine was shipped back to my friend and he was amazed by the performance gain. Build a powerful and reliable engine the first time without wasting money on incompatible components or modifications that dont work. Information and modification tips for 2t g, 18rg, and 3tgte toyota engines. If you look at other gm tuning engine building book prices, you will see that most. Lets journey back to 1973 and read the book that was the two stroke bible of that era. Graham bell is an acknowledged expert on engine tuning, with many years experience in this field. Specialising in engine development for junior racing. 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. This is a very hard to find and excellent handbook for anyone looking to tune their 2 stroke engines. Provides advice on mgbmgb gt suspension, brakes and dyno tuning.
Toyota corolla levin and sprinter trueno wikipedia. Porting your cylinder head is a great way to increase power. It clearly shows the air fuel mixture as a green mist while entering the engine through the intake track. Whats available on the internet isnt very organized or consistent. 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. Advanced tuning takes engine tuning techniques to the next level. 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. The most common mistake is to choose the wrong combination of engine components, making the engine run worse than stock.
Graham bell explains and analyses every aspect of an engine s operation in this illustrated book. The twin cam engines will respond to tuning like real race engines. He still uses the engine every day, without any problems. A myriad of different aftermarket accessories is available for you to custom tune your bike to better suit your needs. I didnt think he could expand on that topic, but i was wrong. Great book for those of us who like to really get nitty gritty with their engine tuning. 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. 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. He converted it into a drag bike, modified the engine completely and added mikuni carbs. 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. New material on electronic fuel injection and computerized engine management systems.
This book explains how the efi system determines engine operation and how the calibrator can change the controlling parameters to optimize actual engine performance. 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. Advanced tuning, author and calibration engineer greg banish provides the reader with the insight required to understand and tune modern efi systems. New ultimate tuning guide for gm if you are connected to the ford tuning world, maybe you have heard of lasota racing technologies. The piston crown opens and closes the exhaust and transfer ports. 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. Two stroke cylinder porting tips watch this before you start cutting. The inlet port opens 30 after bdc and closes 79 after tdc. This covers conversions from one smaller cc motor to a larger production model engine ex. Two stroke engine development, modifications and dyno tuning for motocross, offroad and enduro. 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. Other books to his credit are modern engine tuning, twostroke performance.
Best source for piaggio typhoon 50 2t scooter parts and accessories in usa and canada. P type needle jets are intended for use primarily in 2stroke piston port engines. 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. There is a lot of tuning information out there, but its mostly in peoples heads. Old school vintage saab two stroke engine tuning on monte carlo 74mm engine. 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. It is my hope that this book will assist the enthusiast involved in motocross.