JustinLonghorn
No Purple Hearts, No Blue Ribbons
What track are you going to run on?
250 Ninja race bike
- Thread starter Racer X
- Start date
Racer X
Active Member
For the 1/4 mile I will be at Mason Dixon Dragway in Boonbouro Md . I will be there at 10 am and make a couple tuning runs to prep for the mile.
For the mile ( the thing the bike is built for) I will be in Wilmington Ohio on April 28 for the Land speed racing season opener.
For the mile ( the thing the bike is built for) I will be in Wilmington Ohio on April 28 for the Land speed racing season opener.
JustinLonghorn
No Purple Hearts, No Blue Ribbons
You'll be right up the road from me, sir. I am in Frederick, MD.
Racer X
Active Member
Just got back from the track. It was definitely a good day. I discovered a couple problems I did not need at the big race. Becides a dead battery. I have to cut my windshield back a couple inches. I hit my face on it and it is a look under or over it kinda thing. Cutting it back will help . Plus my speedo was not reading properly. I need to calibration it.
I did not do any tuning, I only made two passes. The exhaust I made was WAY to loud . Actually painful at best. I made a couple baffles to quiet it down and provide a little back pressure. It worked to well and I need to open them up a little. SO its back to the dyno for exhaust and carb tuning. All that beside,The bike ran well. 15.1 at 88 mph out of the box second pass with no tuning.
Next race is the Ohio Mile in four weeks.
I did not do any tuning, I only made two passes. The exhaust I made was WAY to loud . Actually painful at best. I made a couple baffles to quiet it down and provide a little back pressure. It worked to well and I need to open them up a little. SO its back to the dyno for exhaust and carb tuning. All that beside,The bike ran well. 15.1 at 88 mph out of the box second pass with no tuning.
Next race is the Ohio Mile in four weeks.
jimmer
Coast to Coast
It is amazing how fast you get answers about different theories and ideas once you get to the dyno or track.I just tried a new exhaust on my XS 500 and found out in seconds my ideas sucked! The real world provides real answers. I know you will weed through that pile of pipes and jets and come up with the right combo. Love your bike and racing. Jim
JustinLonghorn
No Purple Hearts, No Blue Ribbons
Sorry I missed you today. Glad it was an educational track day.
MotorbikeBruno
Over 1,000 Posts
Great Pic too man!
Racer X
Active Member
Just back from the Ohio mile. The weather was the deciding factor of the weekend. Cold wind and rain. Both days. I only got three runs in. I did not do any tuning.
The new bike did great. Three passes at 109mph. Setting the MPS/G 350-4 record at 109.5. I was hoping for 108 so I am very happy with that. I still have to go over the data . But I feel the bike should get 115 with some jetting and gearing changes. C 16 fuel maybe .
I will not be going back to race until September. I am going to build a nitrous system now that should be fun.
The new bike did great. Three passes at 109mph. Setting the MPS/G 350-4 record at 109.5. I was hoping for 108 so I am very happy with that. I still have to go over the data . But I feel the bike should get 115 with some jetting and gearing changes. C 16 fuel maybe .
I will not be going back to race until September. I am going to build a nitrous system now that should be fun.
JustinLonghorn
No Purple Hearts, No Blue Ribbons
Very Rad, sir.
Racer X
Active Member
Racer X
Active Member
You are correct about the tail and leathers.but I want a taller screen to allow me to see better,
I am going to build a totally new tail section. That is what the rear lower frame is for, But I need to move the rear wheel back some first. I want to stay in the modified class. I can only go three inch behind the rear tire. So when I move the rear tire back with an extended swing arm. I can make a longer rear fairing with a gentle slope. I will also get a one piece leather.
In the mean time I am going to work on the power system. I like to run the bike with no fairing at all for that.
this is the tail section I had on the bike before I made it into a cafe racer.
I am going to build a totally new tail section. That is what the rear lower frame is for, But I need to move the rear wheel back some first. I want to stay in the modified class. I can only go three inch behind the rear tire. So when I move the rear tire back with an extended swing arm. I can make a longer rear fairing with a gentle slope. I will also get a one piece leather.
In the mean time I am going to work on the power system. I like to run the bike with no fairing at all for that.
this is the tail section I had on the bike before I made it into a cafe racer.
Attachments
Racer X
Active Member
Now The fun begins.
The bike is tested and everything is OK. The next step is nitrous.
In 2010 I started using nitrous. I went 121.8 the first time I used it . But I was using a system called Boss Noss. It was not right for my application and I ran into some problems. I did get some speed running about 120 mph with a fairing and under 115 mph without. But the system would go lean and do damage to plugs valves and pistons.
For the new bike I teamed up with the Wizards of nitrous . I have learned a lot about using nitrous and this is going to be a much better system.
The bike is tested and everything is OK. The next step is nitrous.
In 2010 I started using nitrous. I went 121.8 the first time I used it . But I was using a system called Boss Noss. It was not right for my application and I ran into some problems. I did get some speed running about 120 mph with a fairing and under 115 mph without. But the system would go lean and do damage to plugs valves and pistons.
For the new bike I teamed up with the Wizards of nitrous . I have learned a lot about using nitrous and this is going to be a much better system.
Racer X
Active Member
the nitrous parts are starting to come in. I have the heart of the Wizards of nitrous system. The VMax Extreme controller. It will allow me to tailor the nitrous in each gear and also has rpm windows to turn off the nitrous if the clutch starts to slip and it hits the rev limiter. That is a good safety feature.
The business end of the system are the Venom injectors, Super compact mounted in the manifolds.
At this stage I have the controller hooked up and the fuel side done. The bottles are mounted , I am using two 1.5 lb bottles mounted directly behind my legs ,out of the slip stream.
Still a lot to do before testing begins
The business end of the system are the Venom injectors, Super compact mounted in the manifolds.
At this stage I have the controller hooked up and the fuel side done. The bottles are mounted , I am using two 1.5 lb bottles mounted directly behind my legs ,out of the slip stream.
Still a lot to do before testing begins
JustinLonghorn
No Purple Hearts, No Blue Ribbons
Rad.
