Drag Racing Discussions > Front Engine Dragsters
Some basic simple questions
Curly1:
This is data logger of good run in my altered earlier this year. Note the driveshaft RPM.
https://imgur.com/USCFQjX
Curly1:
Now here is one of the first runs on dragster with same air pressure 6.8. I think it was bouncing and spinning.
https://imgur.com/OgapcsO
Curly1:
I thought the car was bouncing and spinning on the other run so I dropped the air pressure to 5.8 and it appears that it had one little bounce and spin. I am going to be racing on Saturday and we should be able to get some video to hopefully verify what is going and learn which way to go from there. So any thoughts or help here is appreciated. I do not think it is dead hooking here.
https://imgur.com/QEcIQXx
Roger:
Have you tried raising the pressure? Every car will react differently depending on the combination and while lowering the pressure might help increase tire speed and minimize dead hooking, raising the pressure will also result in increased tire seed and minimize dead hook. Might be worth a try.
Curly1:
I have not tried raising air pressure but I started at 6.8 and when I lowered it to 5.8 it was better so I think it was heading in the right direction. I should be able to get some video tomorrow and that may give me some idea of what to do. Right now I am not happy with the performance. I went to the dragster because I thought it would be much more forgiving and faster than the altered. So far it is not and the altered was much easier to load and unload and more fun to drive to.
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