Holley 2210 & 2245

How to Set the Float Level When measuring the float setting, be sure that weight of float only is forcing...

The Holley 2245 choke uses what is called a divorced choke thermostat. The thermostat coil sits into the intake manifold...

The carburetor number for this carburetor is stamped on the front of the float bowl. In this case the number...

How the Idle Circuit Works  Hesitation Off Idle When accelerating and just off idle, the idle mixture adds a bit more...

How to Test the Needle & Seat The needle & seat are probably the number 1 cause for too much...

How the power circuit works As the engine gets up to higher speeds, more fuel is needed, which is provided...

Lack of power at high speeds Power piston binding – it should move up and down freely. Remove the piston...

CARB NO FAST IDLE PUMP FLOAT LEVEL FAST IDLE CAM VACUUM KICK UNLOADER R-6452A 1900 .250 .180 .110 .150 .170...

Main Jets The 2 main jets in the carburetor are usually different sizes. The larger numbered jet goes on the...

The hole in the bottom of the pump well is the discharge hole and does not use a check ball....

Adjusting the Holley 2 Barrel Float Watch a video about adjusting the Holley 2245 float: Invert the air horn upside...

Cleaning: Soak all parts except for any rubber, or electrical parts. Wash carburetor, with hot water if possible to get...