RZBansheeMan Posted June 19, 2007 Report Posted June 19, 2007 Maybe it'll run fine for a few hundred feet wide open, but he specifically said something about trail riding. Nobody but a drag racer would benefit from overloading their bowls. The floats keep the fuel at a certain level in the carb so that when the air passes thru it pulls only a specific amount of fuel, that's how a carb works, it's called venturi principle and all carbuerators work on that concept. By cutting off the floats, you are ruining the metering effectiveness of the carb everywhere except full throttle, and maybe idle(and that's if you somehow don't have gas pouring out the overflow). The only reason it could work at full throttle is because the motor sucks enough gas at WOT and only the main is relevant to the metering process for that few hundred feet. I've had a float stick open on mine, and it caused nothing but problems, bad running and overflowing fuel. I don't have experience running a 421 in drag, so I'm not discounting you or yours, but what I would suggest is that instead of cutting up and ruining a carb, try removing the needle valve off the float so it can't shutoff. Same effect, but totally reversible, and if it works in the drag, GREAT, either way, you can put it back for trails... On the cylinders, if you're sure there's nothing in there, you should be alright, like I said, on my computer there looks to be a hole. I think You are misunderstanding what is being described as cutting one float off. What "dynodon" is saying is, there is one float in each carb, but each float is made up of two bobbers, so cutting one of the bobbers off from each float will allow that much more volume of fuel in each carb. Hope this helps. Mike Quote
dynodon Posted June 19, 2007 Report Posted June 19, 2007 Exactly right !!! You can still trail ride it even though one side of the float is removed. If thats all he was gonna do is trail ride, then I would just say that billet bowls would give him enough fuel in the carbs to prevent running lean. Quote
Fastrat Posted June 19, 2007 Report Posted June 19, 2007 (edited) LOL, yeah, I knew I was misunderstanding something, when he said cut one float off I thought he meant cutting off the entire float in one carb. I actually realized what he really meant on my way to work last night, but don't have access to the forum there. Cutting off one half of the float would increase fuel space w/no real loss. I knew no bad information would be posted on here, not sure why I couldn't figure out what he meant sooner. My bad man.lol :shoothead: Open mouth, insert foot......... Edited June 19, 2007 by Fastrat Quote
dynodon Posted June 19, 2007 Report Posted June 19, 2007 Yeah, NO worries !!! I knew it had to have been a misunderstanding Quote
dajogejr Posted June 19, 2007 Report Posted June 19, 2007 Great...thanks alot... I cut off both floats and I can't figure out why my alky milage is so poor now....runs great at WOT, but won't run other than that... LOL...just kidding guys... Removing a float has always been a trick... Don...how come you don't run a fuel pump?? Also...I've found gutting the stock gas cap allows more fuel, and I removed both on and reserve screens from my fuel valve, and drilled the hole in my gas cap vent bigger.... Quote
dynodon Posted June 19, 2007 Report Posted June 19, 2007 I have a Pingle Guzzler on mine, and for the fuel pump.......... Then Iwould have to add a battery the pump etc.etc, I need all the help I can get on the weight end of things. Last week I ran a 4.11 with my big ass on it ( 250+) and that wasnt a clean pass, In and out of the throttle. So something must be working alright. I am just stubborn too I guess. I still run stock ignition too, Buts thats a whole other discussion right ?!!?!LOL Quote
dajogejr Posted June 19, 2007 Report Posted June 19, 2007 I have a Pingle Guzzler on mine, and for the fuel pump.......... Then Iwould have to add a battery the pump etc.etc, I need all the help I can get on the weight end of things. Last week I ran a 4.11 with my big ass on it ( 250+) and that wasnt a clean pass, In and out of the throttle. So something must be working alright. I am just stubborn too I guess. I still run stock ignition too, Buts thats a whole other discussion right ?!!?!LOL He he...yes it is. Why don't you run a mechanical Don? Reliable, no need to worry about batteries...and they just work. They have a store up here that sells the Mikuni hi flow pump (65 L per hour, compared to the normal 35) for 47.... Only way to fly with alky IMO... I'm 250LB too...Don, no worries. Good to see real men riding their own bikes....!!! Quote
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