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High Performance Bicycle Engine Tips We all want our bicycle engines to push our bikes faster. Get exclusive engine modification tips and suggestions from us.

Boost bottles


Discussion at Motorized Bicycle Engine Kit Forum in the High Performance Bicycle Engine Tips forum. I just wanted to mention that few of these mods improve top speed to any significant extent - but you may ...
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Old 10-13-2009, 02:53 AM
BarelyAWake's Avatar
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Default Re: Boost bottles

I just wanted to mention that few of these mods improve top speed to any significant extent - but you may find they improve acceleration and contribute to a smoother running engine.

32mph for one of these "80s" really isn't bad at all - you've done well! Unfortunately evil math saz that with a doubling of speed the drag quadruples, so wind resistance is your enemy here - anything past 30mph is hard fought for

I know right? Maths... I hates them o_O


Having said all that and even knowing the vast majority say the boost bottles have little/no effect - I may still get one as I've run out of lil tinkering mods to do lol

Last edited by BarelyAWake : 10-13-2009 at 02:55 AM.
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Old 10-13-2009, 11:31 AM
Bikeguy Joe's Avatar
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Default Re: Boost bottles

quarkdude was only here long enough to try to sell us all boost bottles....he hasn't posted since this thread, which was last year.
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Old 10-16-2009, 03:16 PM
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Default Re: Boost bottles

I have installed a dual boost bottle system on my bike from boost induction systems it came with a dual tapped intake. Ill try to find my cam and take pics later.. Anyway their logic with 2 bottles is one takes off the top pressure and one takes off the back pressure (something like that). If you have one boost bottle it splits the bottle 50/50 and so a 66 cc bottle is only working at 33cc/33cc (from what I gathered) Maybe they just wanted to sell more but in all reality I didnt care because the more I can make this thing look like a mad scientists contraption the better. SO my results were pretty significant, it started up about 75% faster and easier, and I did have to turn down my idle speed, so they did do something. Taking off seems be alot quicker.. However I really dont think that I gained that much full throttle speed if any.. I am happy with them though for improved startup, acceleration and looks! Just my two cents
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