Explorer 5.0 in Falcon with Carburetor - Can I use EDIS ? - Ford Muscle Forums : Ford Muscle Cars Tech Forum
 
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post #1 of 5 (permalink) Old 01-08-2017, 04:10 PM Thread Starter
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Explorer 5.0 in Falcon with Carburetor - Can I use EDIS ?

I am using Explorer 5.0 with Explorer's timing cover, water pump and harmonic balancer with reluctor wheel. I still have the crank and cam position sensor and also the coil packs.

Can I use EDIS without any other external module like Mega Jolt?

How will it work ? Any disadvantage ?

Thanks

Waid
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post #2 of 5 (permalink) Old 01-08-2017, 09:04 PM
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Re: Explorer 5.0 in Falcon with Carburetor - Can I use EDIS ?

Hey Waid - the EDIS module will start and run the engine without any added controller, but the timing is locked at 10°BTC (limp home mode) unless it gets an advance signal from a controller.

Some of us are working on stand-alone ignition controllers (distributor and distributorless), and I can probably set you up so you can run and tune to your liking pretty quick. I think I can set you up with what I have on-hand with just the ignition section of an aftermarket ECM controller that will run the ignition coil packs (no EDIS module necessary) or a distributor setup, allow full timing curve tuning and be upgradeable to full EFI if you want it later, for less than a MegaJolt. Or a full ECM and just use the ignition for now and still less than MJ. Let me know if you're interested. I'll also put you on my Guinea Pig list for the production version spark controller when we are ready for more field trials if you like.

David

PS: Heck, I have everything here to get you running with 4-barrel throttle body injection (will fit that manifold) for any HP level, and any ignition type you like for low-bucks. With or without injectors, the controller will do rev-limiting, launch control (2-step), floating rev-limit for speed/flat shifting, nitrous timing control, full data logging, O2 logging, etc. It's not MS.

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post #3 of 5 (permalink) Old 01-09-2017, 04:53 PM Thread Starter
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Re: Explorer 5.0 in Falcon with Carburetor - Can I use EDIS ?

Hi David,

I actually have the complete Explorer's GT40 upper and lower intake with port fuel injection. I also have GM Chevy 350 TBI with PCM, all sensors and wire harness from previous project. I really like the clean look of the TBI. The guys over at Thirdgen.org states that the stock TBI can support up to 300hp which is plenty for my engine which should make around 275hp.

I was told that the stock 1227747 PCM will require re-tuning. GM later went to more sophisticated PCM 16197427 which also controlled the electronic 4L60E transmissions.

I prefer to invest several hundred dollars in to something like MicroSquirt instead of antique GM PCM's. The MicroSquirt can be used with TBI or the GT40 or just about anything else!

Since I have the 1227747, I was thinking about just trying it as is.

David, what issues can I have if I try to use the PCM that was tuned for Chevy 350 on my Ford 5.0 ?

Thanks

Waid
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post #4 of 5 (permalink) Old 01-09-2017, 11:10 PM
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Re: Explorer 5.0 in Falcon with Carburetor - Can I use EDIS ?

No particular problems, except that the tune would be wrong the for 5.0L, so timing and fueling would be poor in some areas. The GM PCMs and TBI were and still are fine for what they do, but without tuning software, emulator and chip burner, you're stuck. Even with them (and their cost), the system is very limited on what it can do. Generally, an aftermarket system with easy tuning interface is preferred, and carries features that are very useful, such as wide-band O2 support.

Some seemingly minor features can make a huge difference in frustration and effectiveness, such as that $85 WBO2 setup and a system that can use it, log viewable run results, and auto-tune with it. This makes for a much easier and more effective system, and turns the old process of total-tuning carbs or basic EFI from a big and intense (and often costly) job, into a fun weekend. Just the ignition control, or the whole setup, they are similar to the MicroSquirt in many ways, but less expensive. They can also connect into the GM harness if you like, a 5.0L harness, or a "minimal" harness you make yourself (my preference). You might want to start with simple ignition control for now and decide if you want to add fuel later. I think you are the type that won't regret that direction.

David

PS: I don't make any money on this stuff, and I'm happy to help, including some tuning advice and assistance. On-site tuning services are a different animal. I always have various extra ECMs and can make you a nice deal at-cost to make some space around here.

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post #5 of 5 (permalink) Old 01-11-2017, 10:55 AM Thread Starter
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Re: Explorer 5.0 in Falcon with Carburetor - Can I use EDIS ?

Quote:
Originally Posted by PSIG View Post
No particular problems, except that the tune would be wrong the for 5.0L, so timing and fueling would be poor in some areas. The GM PCMs and TBI were and still are fine for what they do, but without tuning software, emulator and chip burner, you're stuck.
David, one thing I learned in life is that if you don't try, you will never know. For example with EPS, I also assumed that without ECU or external module, it would not work. As it turned out, they work fine in fail safe.

From previous project, I have 3 PCM, wire harness and two TBI. I was about to pitch them but I figure I can give it a shot with my Ford 5.0. If it does not work then I will get MicroSquirt!

Below are the comparison of Chevy 302, 350 and Ford 350. I know I am not comparing apples to apples but then again how well are carburetors tuned ?

Chevrolet 305: 3.875 in x 3.25 in
Chevrolet 350: 4.00 in x 3.48 in
Ford 302: 4.00 in x 3.00 in

Waid

Last edited by waid786; 01-11-2017 at 02:46 PM.
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