Holley manual choke fast idle adjustment

that the fast idle speed screw is on the second highest (lockdown) step of' the fast idle cam, against the' shoulder of the highest (top) Step of cam. To adjust, bend choke control rod until the fast Idle speed screw IS tn Dthe correct positjon on the fast idle cam Readjust the thermostatic choke cover 'to specified setting. Choke Unloader.  · Hold the choke plate open to the choke pulldown liit, to keep the engine running. Adjust the fast idle RPM by turning fast idle screw with a 3/16″ wrench. Push the choke lever, cable and housing forward to the full choke position .  · To adjust the fast idle, you will need to hold the throttle wide open (without the engine running) this will drop a lever under the choke housing with a 1/4" screw in it. To slow it down, turn it counter clockwise. To speed it up, turn it clockwise.

Setting Fast Idle speed screw on Holley dp. Jump to Latest Follow the manual choke was zip tied open so I don't have a reference starting point. I realize I need to install the carb and start the car to see where I'm at, but I just worried about firing up the car and having this thing rev to the moon. I wouldn't adjust the fast idle. Hi! I got a list # on top of a recently overhauled Ford , with a mild cam and heads. The engine cold starts on fast idle and runs good for about 20 to 30 secs then starts to run very rough for about a minute. After that it runs well, I have been playing with the choke cap setting, and it seems to like 1 lean the best, but I am still having the rough fast idle. Manual says to adjust fast idle to about RPM? But which step? the first one? There are five steps in Holley fast idle cam. BTW, the choke is set at it's middle lean/rich setting. Once the engine is fully warmed, the Holley is solid and runs like a champ.

Subscribe now to make sure you don't miss any of our new products!www.doorway.ru?add_user=HolleyPerformanceHOLLEY ON SOCIAL:Face. To adjust the fast idle, you will need to hold the throttle wide open (without the engine running) this will drop a lever under the choke housing with a 1/4" screw in it. To slow it down, turn it counter clockwise. To speed it up, turn it clockwise. Slightly crack the throttle open, unload the fast idle cam, and turn the choke cap clockwise until you see the choke plate open. Then rotate it back slowly until the choke plate just comes closed. At that point, you can go ahead and snug those screws back up, and that's going to give you a good starting point to make adjustments from.