This little flapper here is where your secondaries kick in and kick out. There are no gaskets below the fuel bowl level for fewer leaks, and no plastic parts or power valves to blow out. Well I tried starting it to put it back in the garage and she didnt want to start. The primary and secondary throttles reach wide open at the same time. Tuning Basics Edelbrock carburetors have the following systems that can be adjusted: The Idle System At idle 100 percent fuel is delivered by this system.
With the air valve assembly removed, the carb body and airhorn were soaked in cleaner overnight. It can also cause rapid failure of seals, gaskets, diaphragms and pump plungers. You don't have to drain the fuel out of the bowls, unlike some of the competitors that are out there. Long story short, this is the wrong direction. Here's a good how to guide it really just adds to what is in the manual I'd be happy to help you out if you get stuck. For us, it was 3½ half-turns.
The fuel inlet is on the passenger's side rear, like mentioned below, the line will need to be re-routed. Or you can just cap it off. Which gave me confidence to share this revelation with you. It really is a set-it-forget it deal. Reliable Performance for a Reliable Ride Are you looking for a precisely tuned, top-quality carburetor that provides consistent daily performance while you drive? The book that comes with the carb makes it pretty clear.
I'd insulate them and route it away from the high heat zones. Electric choke 1478 can be added if needed. We also have other linkage adaptors available for your Ford-specific application. Under the accelerator pump jet housing is a weight and a check ball. The other thing we've got is our standard performer series carburetor as well. Seat the flat-head screwdriver in the right mixture screw.
Use Carb Studs 8008 or 8024 if needed. Adjusting an Edelbrock 1406 carburetor is a relatively straightforward engine maintenance task. Good luck, Robert The Performer manual is excellent other than how the 1406 tuning chart is misleading as I outlined above. Robert Wow, thanks for the post and the trouble of putting that up. The idle setting is critical both to a smooth idle at proper rpm and to a smooth transition to part-throttle operation. But watch the cooling fan! They were removed along with the accelerator pump assembly. We have our ported vacuum port for anything that's running a vacuum advance distributor.
With the top installed the metering rod assemblies were installed. Use the reference chart in the calibration kit to help select another combination. Given the condition of our carburetor it was obvious it needed to spend the night in carburetor cleaner. Both are great carbs and they both have their attributes and drawbacks. The Secondary Throttles 1 begin to open when the Primaries are about 65% open. You may have to take off the air cleaner; we didn't.
You can do our standard finish, our Endurashine, or black that we don't quite have here available today. To do this, you have to know where they are now! There's actually a little weight down on the inside that will adjust as your vacuum flow through your motor increases. About the Author Carl Pruit has been a freelance writer since 2005, specializing in service journalism and travel. The calibration chart on top provides numbered tune-up combinations for the primary system. Our dedicated team is more than happy to help you find the perfect parts for your Ford Vehicle. I hope I am not invading this post with my prob. The carburetor metering was developed on Edelbrock engine dynamometers, chassis rolls, and a variety of development vehicles.
Others will need less choke. Which got me to thinking, if the 1405 is basically the same carb with manual choke, why does this electric choke Performer 1406 give everyone including myself a hard time with getting the tune right? Bill: What sizes are available in these carburetors? Includes manual choke and detailed instructions. No wonder your motor is running like crap? Well I tried starting it to put it back in the garage and she didnt want to start. So here's the simple fix, toss your 1406 tuning chart, and use the Performer 1405 tuning chart. Section 2, Tuning procedures will take you through a step-by-step procedure that will enable you to achieve a desirable calibration. They tune easy and they keep their tune forever.
We typically do not suggest or condone using and 4bbl to 2bbl adaptor to a stock intake manifold. Both of these cause the engine to have a flat spot or a rich bog. Cary: We do offer a 2-barrell for the smaller cubic inch motors, or the Flathead Ford. Included in the kit are pairs of needles, seats, gaskets, and screen filters. Opening the screws to 4½ half-turns has produced easier starting and a smooth idle. What this means to you is that compared to other carburetors, the performance remains consistent and the calibration stays unchanged.