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-   -   Fuel Sloshing in float bowls? (http://www.clubcobra.com/forums/shop-talk/52242-fuel-sloshing-float-bowls.html)

Chaplin 04-01-2004 08:40 AM
Fuel Sloshing in float bowls?
 
When I come to a hard stop, the fuel in the bowls sloshes a bit and the rpm slows way down, almost to the point of stalling. I'm not sure if it actually would stall, b/c I always blip the throttle a bit before it can stall, but it is annoying.

The carb is a Mighty Demon 750 with mechanical secondaries.

Is there anything I can do to stop the fuel from sloshing in the float bowls and prevent this from happening?

(And yes, the floats are adjusted perfectly and the needles are not sticking. Triple checked:) )

427 S/O 04-01-2004 09:37 AM
Getcha' some 'vent whistles', they work great. From the usual parts suppliers.

rdorman 04-01-2004 09:37 AM
Generally that is caused by fuel coming out of the rear float bowl vents under hard deceleration. Cures include float bowl whistles, float bowl foam, or connect the two vent with a length of hose and open a hole in the top center. The last method is cheap and quick, if you don't like the look and it works, get some float bowl whistles and you will be set. I looked at the demon site and did not see where they come standard but I would be suprised if they don't.
Rick

Chaplin 04-01-2004 10:53 AM
Thanks Gents! Hadn't heard of vent whistles. But once I did a search for them on google, look what I found:

http://www.clubcobra.com/t40571.html

Use the search function!%/ :3DSMILE:

Thanks again.

rdorman 04-01-2004 11:40 AM
Quote:
Originally posted by Chaplin


Thanks Gents! Hadn't heard of vent whistles. But once I did a search for them on google, look what I found:

http://www.clubcobra.com/t40571.html

Use the search function!%/ :3DSMILE:

Thanks again.
:LOL: That is funny! Try the hose trick if you want first. It is a common way that road racers deal with the issue. Plus is should be free, quick and you don't even have to take the float bowls off to see if it fixes your problem.
Rick

Chaplin 04-01-2004 12:26 PM
Rick-
Can you do the hose trick with an air filter on the carb?

427 S/O 04-01-2004 04:28 PM
On the second set of carbs I made set out of soft aluminum tubing, squeezed the end of the tube in a vise to get an oval shape, tapered the edges and hammered it in until it bottomed out, then used a small drill bit and small pop rivet. Bent the tube up slightly so it doesn't interfere with the float. These are longer and work better than the plastic.


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