How do I know what the float valve setting should be??

Post by **MattH** » Wed May 25, 05 7:49 pm

2 barrel Holley, originally from a 360. I know how to set the float valve as it has a very neat screw and nut thing on top of the float bowl that is very accesible.
Question is , how do I know what to set it at?? All the books I have show different Holleys where you measure at the float, but this one is adjustable with the carb in one piece!

Help, MOT tomorrow and I need to be able to drive it!!

Kev · Post by **Kev** » Wed May 25, 05 7:52 pm

Is there a Dime size screw in the side of the bowl? Take this out and adjust the float height so petrol just trickles out of the hole. Take your time.

Post by **MattH** » Wed May 25, 05 8:32 pm

I'll go have a look!

Post by **MattH** » Wed May 25, 05 8:41 pm

Do you mean this one??

Post by **MattH** » Wed May 25, 05 8:53 pm

Does anyone know what type of Holley this is, ie what CFM etc?
Just proving my lack of carb Knowledge, all I know is that it fits and seems to work.

Kev · Post by **Kev** » Wed May 25, 05 9:19 pm

Yes, that's the one. After you set it, let it idle for a while so the fuel has time to drop as the float may be too low and it's just the over fuel, as it were, coming out of the hole.

Post by **MattH** » Wed May 25, 05 9:23 pm

Thanks Kev , i knew I could rely on you! I will do that first thing tomorrow, too loud for tonight. Must sort the exhaust for MOT too.

Dave-R · Post by **Dave-R** » Wed May 25, 05 9:24 pm

Make sure you turn the screw and the nut on the adjuster together and at the same time!