Two heads.Excellent read!Ī must have for any two stroke enthusiast, mechanics or even just for good old fashioned knowledge! Very well written! Verified purchase: Yes Condition: New. One completely stock, the other slightly widened by none other than the infamous Ivan Juggins. And some friends who can actually use them accurately and like beer Well bourbon. As the chassis is starting to get into shape and has real potential.
At present both are in the barely running stage so a little early to post specs.
Also in the middle of a house renovation project.Īnyone wants basic 2 stroke answers. Will post origina ltiming specs for GP motor that I have laying on the bench when I get them sussed was planning to strat by boring to cc but will hold fire for thr moment. I suspect some of the bucket tuners have applied some of this as one 50 cc bike seems to have more power than most 's or 's. The porting pics have intrigued me as has the toroidal head. Zer engineer for GRand Prix unsure as to which teams he's worked for. I've recently just got an inkling as to how far behind the times it is.Īs much due to the fact that several of the faster bikes didn't last. This was my first attempt at tuning a 2 smoke and all in all was pretty successful.Īpprox 17hp, rideable and very reliable but I'm under no illusions that it's any where current in terms of design. My existing motor is the same thing developed according to John Robinson's specs in a Performance Bike article from the 70's but not taken as far as him. Does any-one here have a cc air cooled engine they want to develop? Post the current port timing specs, and "Lets get started! Well I'm looking at building a new Suzy GP bucket race motor hence my interest in other threads on K. The biggest problem facing the cc class air cooled rule not withstanding is the limitation to a 24mm carb. Since the Japanese started putting "real effort" into Air Cooled cc two strokes, it was around the end of the 70's that they gave up, and started to water cool them and as such, started releasing "real power" With the current rules in Buckets being the way they are, this gives rise to a "re-emergence" of developmental skills. I am unsure of the rules you can apply when starting a thread, but one I would like to place is that no-one is allowed to "use words bigger than their I. L Team, and it's conceptor, Brian Buckley Looking at the current NZ bucket racing rules, I see the potential for developing a very special type of engine.
GRAHAM BELL 2 STROKE TUNING FULL VERSION
View Full Version : Two-stroke performance tuning? It would be nice to move this in to the "Mainstream" section of this site, and I hope we can do this shortly, however, "Good things take time", and some co-operation is needed.
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