How does a Boost Bottle work?

Frankenstein

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Jun 24, 2016
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#61
Extending the length of the intake will cause atmospheric pressure loss on two stroke and ramp up turbulence. On a 4 stroke you can do this when you have valves open and pressure controlled by force created by the piston..
Take some advice from somebody who figured it out 4 years ago.

Oops, didn't notice how old this thread was!
 


D

Dizmo

Guest
#62
These guys got a 2 mph increase in top end by adding one. But, on the other hand, I get their top speed + 1mph - stock. And I weigh 250lbs...
I have one on order - I'll install and report.
 

Frankenstein

Well-Known Member
Joined
Jun 24, 2016
Messages
4,908
Likes
778
#63
These guys got a 2 mph increase in top end by adding one. But, on the other hand, I get their top speed + 1mph - stock. And I weigh 250lbs...
I have one on order - I'll install and report.
Probably highly coincidental or just a nice extra dose of oxygen in the form of a tiny leak, boost bottles don't even work on the top end..
 


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