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Old 03-31-2008, 01:09 PM   #21
ZXALAN's Avatar
Join Date: Mar 2007
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2000 Turbo-Hayabusa
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Originally Posted by Angamico View Post
Are melt downs pretty common? I guess if you are going for a record or top billing, you have to push the limit. Sounds like an expensive addiction. Oh yeah, it involves motorcycles, therefore $$$$.

Cool pics.

Yeah melt downs are pretty common but we are not sure why Tommy's melted...I pulled the log outta the data logger from the 1st pass and the air fuel ratio was 11.0-11.3 all the way to the redline in 5th and almost all the way through 6th so it was pretty rich, DEFINETLY should have been save. We were running it on straight C16 which is 118 octane fuel and he has a water to air intercooler built into the plenum which is about as safe as it gets....Only change we made was increasing the boost up 5 lbs but the fuel mapping will also increase accordingly so..... Not sure on his...

On Russ' bike, he has an air to air intercooler(same one I will be running), was also running on straight race gas and his was fine at 13lbs of boost, he turned it up to 20-25lbs, somewhere in there and it melted. He didn't have his datalogger working so we don't know if it leaned out or not.

I guess its just par for the course when you are tripling an engine's factory HP and holding it wide open for 15 seconds.

319hp@14lbs(pump gas), 435hp@29lbs(race gas)
Texas Mile Mar 09, 225.906mph, 8.82@168.43 w/1.63 60'-14.5lbs
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Old 03-31-2008, 03:11 PM   #22
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ya talked to vince yesterday at the races he did not have a very good weekend
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