Roast My Upgrade Plan - Page 4 - Honda CBR1000 Forum : 1000RR.net
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post #31 of 34 Old 02-15-2017, 02:52 PM
Bosarge22
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Only so much air going into the bike, a properly placed powerful fan and a good tuner are gold.

Move You Ass!
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post #32 of 34 Old 02-15-2017, 04:12 PM Thread Starter
MonacoGP
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Originally Posted by Bosarge22 View Post
Only so much air going into the bike, a properly placed powerful fan and a good tuner are gold.
Ram effect should increase with higher forward velocity thus packing more air in with positive pressure. Maybe it's negligible from a tuning standpoint (who knows because nobody is forcing air at 150 on a dyno). Consider this; sitting up at 80 is cake. 150 you may end up sliding on your backside. Same difference in force should apply to the intakes. As a proof of concept you should try taping a piece of flex pipe to your car door with the window down. Just run the tape through the center of the pipe and fix it in an "L" shape with the "intake" side facing straight forward and the "exhaust side pointing at your face. You wouldn't believe the amount of air that little pipe can move. Poor man's / race car AC. Be sure you put a screen on the intake side so you aren't shooting bees at high velocity into your grill.
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post #33 of 34 Old 02-16-2017, 10:03 AM
Bosarge22
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Do whatever floats your boat. I'd buy a PC and dyno tune it, gear it and be done. But my CBR it a track bike and I don't care about top numbers, I want a big fat curve and smooth throttle. Have fun.

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post #34 of 34 Old 02-16-2017, 11:54 AM
LA2SD
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Quote:
Originally Posted by MonacoGP View Post
Ram effect should increase with higher forward velocity thus packing more air in with positive pressure. Maybe it's negligible from a tuning standpoint (who knows because nobody is forcing air at 150 on a dyno). Consider this; sitting up at 80 is cake. 150 you may end up sliding on your backside. Same difference in force should apply to the intakes. As a proof of concept you should try taping a piece of flex pipe to your car door with the window down. Just run the tape through the center of the pipe and fix it in an "L" shape with the "intake" side facing straight forward and the "exhaust side pointing at your face. You wouldn't believe the amount of air that little pipe can move. Poor man's / race car AC. Be sure you put a screen on the intake side so you aren't shooting bees at high velocity into your grill.
The dynojet autotune may compensate for that increase. You basically get your power commander, dyno the bike with your optimal baseline setting, and the autotune will fine tune the air-fuel ratio out on the street or track. You just need to have an o2 bung for the sensor.

A lot of guys now days are flashing the ecu, which is actually pretty great. You can then add your fuel controller and auto tune on top of that if you want.
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