Lee, welcome to the fray.... The 1100 puts you in the same class as the hayabusa... H, 62 to 93 inches. Build your 1100 to a 1500 to get enough inches. I just happen to know the fuel record was set with a 65 ci motor, an old ZX10, bored as large as it would go.
Is the 1100 air or water cooled? Air can be tough in an enclosed car. Start a build thread and keep us up to date.
The GS is air-cooled. Cooling would certainly be a concern, but I was thinking of making a shroud like air-cooled VWs, along with a scoop/air duct. Hayabusa power would be the goal, but the GS is cheap and tough; an inexpensive way to get licensed and some passes down the runway/salt. I saw 2 GS1100s on Craigslist for under 400 bucks. They need tune ups, but still, it's a complete bike. Take the engine and sell the rest.
Build thread? Man, it might be a REALLY long-term project. I'm a plumber, which is supposed to be recession-proof, but a lot of folks are letting things just stay broken these days.
I need to order a rule book. I got a dirt-cheap tank...50 bucks, but it is very small; 23" dia and about 12" long. I'm wondering if I can come up with a better body on my own. Hmmmm...'glass-covered Sonotube???
BTW- how do I start a new thread? I'm a message board junkie but I can't figure it out here.
Thanks.