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Posted (edited)

can you gain horse Power by simply adding larger bowls? Some guy on Ebay is claiming 3hp on some 34mm oko just cuz the bowl is bigger. I dont see how there is a relation. Bigger bowls ar just to keep a big motor fed.

Edited by slacker1bob
Posted

can you gain horse Power by simply adding larger bowls? Some guy on Ebay is claiming 3hp on some 30mm oko just cuz the bowl is bigger. I dont see how there is a relation. Bigger bowls ar just to keep a big motor fed.

 

 

If you were running at full throttle for an extended period of time where the bowl would not be able to replenish the fuel that was being drawn up through the jets, then a larger bowl is desired as you DO NOT want to suck the bowls empty or you'll lean out.

Posted

If you were running at full throttle for an extended period of time where the bowl would not be able to replenish the fuel that was being drawn up through the jets, then a larger bowl is desired as you DO NOT want to suck the bowls empty or you'll lean out.

 

 

I know, Im not talking about running the bowls dry, but simply by boltng them on, do you gain power

Posted

I know, Im not talking about running the bowls dry, but simply by boltng them on, do you gain power

 

 

If the bowls were running dry on a production bowl vs. an oversized bowl on that carburetor then yes. Only because your motor is leaning out. Otherwise there should be absolutely no affect of power between the bowls as long as fuel level is controlled at the same float height.

Posted

If the bowls were running dry on a production bowl vs. an oversized bowl on that carburetor then yes. Only because your motor is leaning out. Otherwise there should be absolutely no affect of power between the bowls as long as fuel level is controlled at the same float height.

 

 

 

again, not talking about running bowls dry. But I agree hat there shouldnt be any effect. Heres a link to the auction if anyone wants to tell him hes full of crap

 

My link

Posted

again, not talking about running bowls dry. But I agree hat there shouldnt be any effect. Heres a link to the auction if anyone wants to tell him hes full of crap

 

My link

 

 

...you asked if there was a power increase. In simple terms, if your bowls are running low on fuel causing a lean mixture (if you were running a 1/4 mile asphault quad you might experience this toward the end of your race) and you installed a set of large capacity bowls on an identicle bike (so that the bike does not lean out from low/no fuel on the big end) then yes you would see a power increase. This is the only way that a larger bowl could possibly create more horsepower than a production bowl.

 

But, the dude is retarded because the bowls appear to be NO larger than a Keihin PWK 33/35mm carb. So, I vote fail.

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