Hi. THANK YOU again. I want an F1 motor in the Busa. That is the way I think. I was a crew member on a Pro Stock car in the 60s. We were runner up to Bob Glidden one time too. I also ran my F 5000 car in the 70s. I also was manager of a speed shop in the 80s I helped set 54 NHRA records. I hate to type my E Mail is vn66676869@aol,com my phone # is 508-496-5680. I live deep into the woods so service is bad, so if you call and I can nor answer tex I will call back when I can. I do not know why people do not like to talk in person anymore.
If you gave me $100k and your bike, I’d give you back an 800-1000hp street bike and $30-40k back.
You say you want to go 280 in the mile, and get in to the 6’s in the 1/4. To reach those goals, chassis wise you’re going to have a hard time reaching either of those. You kinda need to pick a direction and go with it with the goals you have set.
I looked over your build and it’s still a stock frame rail frame. That being said, it’s much more Realistic to hit your 280mph goal on a stock frame rail bike. Although you’ll find your swing arm is too long for mile racing.
On the other hand getting in to the 6s on a stock frame busa may be nearly impossible. I won’t say completely impossible because of how far suspension, clutches, and boost control has advanced over the last few years. But highly unlikely.
The fastest I’ve ever seen a stock frame busa go was 7.7x’s. When I had my turbo gen 1, it was like I hit a wall once I hit 7.80s. I had to HP to go faster but I was chassis limited. I couldn’t leave the line any harder because it would wheelie even with the bike slammed, and 10 over arm. Throwing more power at it going down the track kept the front wheel off the ground for most the pass.
So for me to go faster I was going to have to at a minimum do a cut rail frame, but also short neck it as well. Cut rails lowers you down in to the bike, but also moves you forward almost 10 inches so you’re basically sitting over the top of the transmission. Short necking with deraked triples allows you to slam the front of the bike, and the offset clams move the front wheelback closer to the engine. This moves the weight bias even more to the front of the bike.
All those frame mods make the bike unusable on the street. And that chassis set up doesn’t transfer over well in to land speed racing.
Thats why I say you need to pick a direction and run with it.