entropy
Moderator
Posts: 8671
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posted September 07, 2009 03:56 PM
quote:
You going to run it again after re-configuring it to the 1/5 combination?
I am now... 
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chavcat
Zone Head
Posts: 524
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posted September 07, 2009 05:11 PM
Awesome post ! The information speaks volumes about the talent here.
Thanks
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WRECKSHOP
Expert Class
Posts: 359
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posted September 15, 2009 07:03 AM
BUMP
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blueshark
Novice Class
Posts: 99
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posted September 15, 2009 12:03 PM
Very informative post, after reading this I was asking a mechanic friend about a local ZX12 he did some work on. "Guy sold it so he gave up the info now". It was a 1394 or 1427 with Carpenter head and cams. Bike was about 62 or 63" long and ran 8.60's on motor. He said they got the most power running 9 degrees advance on that engine. I didn't think anyone was running that much advance until I read this post.
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whitehendrix
Zone Head
fails!
Posts: 757
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posted September 20, 2009 07:40 PM
awesome.. shitload of stellar technodrivl here.
very good shit.
i run +4 on my zx7r, but my rotor is addjustable from -7 to +7 as well. and i can get a sneaky combo action deal going if i wanted to experiment and dial in gobs of advance of retard.
i have a buddy with another 7R and he's running leaded fuel and +7 and he said it runs like a raped ape.
can't tell yet on mine because the clutch is slipping very badly. (the difference from stock to now, having +4* adv. and drilled slides)
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Duct tape is the handyman's secret
weapon. The black is for formal
occasions. - ZRXDean
ill never own a busa unless
someone gives me one.... and then
ill sell it -KZScott
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shiggsy
Expert Class
Posts: 128
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posted September 23, 2009 04:38 AM
I have a question, I'm confused about why the AFR changes in relation to the timing? If your Air Fuel mixture is all sealed in the piston why does altering the point at which you ignite it change the ratio ?
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Y2KZX12R
Needs a job
CompetitionCNC.com
Posts: 3762
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posted September 23, 2009 10:31 AM
Its much like raising the compression. More of the burn happens in the chamber/cylinder so EGT's go down and less unburned fuel exits past the exhaust valve.
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Y2KZX12R
CompetitionCNC.com
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