Hi, Having changed my engine oil, I got round to checking the carbs. Noticed that the float level was too high (as in all the way to the top of the sight glass), and not really knowing what I'm doing in there being a noob, my question to you then is: What can I do to adjust the float level that's too high? thanks in advance.
Jul 31, 2020 · Built-in sight glass windows for easy float adjustment. Exclusive Black Diamond coating for enhanced corrosion protection and appearance. Coating provides a 6% reduction in fuel temperature. Offset j-tubes for easy squirter nozzle change. Changeable primary idle feed and power valve channel restrictions.
Go up to the float level adjustment and lower the float a bunch. Then start the engine and slowly raise the float a little, waiting for the level to settle, then raise it a little more until the level is where it needs to be.
proper float movement, first stand the valve up so the float ball is roughly vertical. The tip of the float rod should lightly touch the cam needle so that the cartridge is closed. Refer to figure 6. Next adjust the float rod and lock nut so that the cartridge is fully closed when the dimension shown in the figure is 2-1/4” [57mm].
ADJUSTMENT FIG. 1 FLOAT LEVEL ADJUSTMENT 1. With main body inverted, make sure float tang is resting on top of needle valve. CAUTION: Do not exert pressure on needle valve. 2. Measure distance between toe end of float and top of chamber. On some models, check if float is parallel with top. 3. To adjust, bend tang as necessary. FIG. 3 VACUUM BREAK ADJUSTMENT 1.
May 17, 2020 · I'm rebuilding a Holley 4010 series 4 barrel carb for a buddy. The carb is on a Ski Nautique 350 Ford Boss Pro Version. The kit says to set the float so the fuel is just at the bottom of the sight glass but there are no sight glasses. I've looked everywhere. I'm in PA, hoping everyone is staying safe.
Holley metering block gasket differences. Holley metering block gasket differences
Glass fuel level sight windows for easy, safe float adjustments Vacuum secondaries allow use on a wide variety of vehicles. Quick Change vacuum housing cap allows you to tune for performance or fuel economy (springs included) 4 corner idle allows you to precisely control your idle system Aluminum construction for a 44% weight savings
This shot shows the float bowl with the sight plug removed. The fuel level inside the float bowl is at its proper level right below the sight glass port. This should be checked on the vehicle. Opening the sight plugs will probably spill fuel onto the engine - be sure to have a Fire Extinguisher close and make sure you clean up any spilled fuel. I have been setting my needles by the "sight the lower portion of the thread" method as my bowls do not have sight glass. I have the cheap Holley clear plugs and only used them once so far to set float then put the brass screws back in. I haven't had engine running since setting floats to see how it reacts, that will change shortly. Holley 1 Float model 1940 1945 1946 62-79 16-9 $ 9.95 Idle Mixture Screw - Pair 10-32 x 1.1 - Roch / Holley CUD3919 $ 19.95 Plastic Cam Arm ... With the UNI-SYN Adjusting Screw (A) approximately 1/2 open, place the instrument over the throat of No. 1 carburetor and hang the Sight Tube (C) on a convenient point on the handle bars. 4. Gradually turn the Adjusting Screw (A) down until the Red Float (B) rises to or near any graduation mark. Aluminium float bowls with dual sight glass fuel level adjuster windows and whistle valves. This carburetor is in like new condition, original tune in original box. It was used less than one hour on an engine test stand to break in a new engine build, never installed on a car.