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  #1  
Old 09-24-2015, 03:53 PM
65jeeptruck 65jeeptruck is offline
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327 vigilante EFI help

Hello I am pretty new to the FSJ and I tried to do a search for this but I couldnt find much info. I am thinking about putting an EFI in my truck, it has a 327 vigilante, and i was wondering if they exist as well as which yall would recommend. Just looking for some direction from the experts
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Old 09-24-2015, 07:14 PM
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babywag babywag is offline
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Your 1st hurdle will be converting a distributor to output an efi capable signal.

GM TBI would be cheapest/easiest after that's done.
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Old 09-24-2015, 09:58 PM
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44BZ 44BZ is offline
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I found this thread: http://www.ifsja.org/forums/vb/showthread.php?t=80405

Unfortunately there aren't more details about the distributor modifications...
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Old 09-25-2015, 05:52 PM
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Old 10-04-2015, 08:32 PM
65jeeptruck 65jeeptruck is offline
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Thanks for all the responses, after looking into alot of what yall have said i think what i maybe looking to do is a TBI setup.

I was looking at a kit from MSD that doesnt require me to upgrade the distributor. do any of yall have experience with these and if the work well or not?

http://www.msdignition.com/Products/...aster_Kit.aspx
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Old 10-06-2015, 10:39 AM
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babywag babywag is offline
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The point of upgrading the distributor is for timing control.
Without it, basically you're installing a glorified electronic carburetor.
Timing control adds so many benefits to EFI.

That is a whole lotta $$ for a fuel only system.
Personally I would never spend that kind of $$ on fuel injection for a 50yr old engine.

No experience with that system, there are several similar systems on the market though.

I'd venture a guess that you'll be paying ~$3k for this once it's all said and done.
For that kind of coin I'd just do an LSx swap.
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Old 10-23-2015, 10:59 PM
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DarkMonohue DarkMonohue is offline
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The cheap and dirty route is MegaSquirt. MS is much cheaper than any commercial off-the-shelf system, but you do have to do more work. You typically have to do your own research and decide what components to buy, then build the ECU (solder all the components to the board), install it yourself, tune it yourself, etc.

Besides a low price, another benefit of MS is that it can be configured to use almost any hardware. You can run it with a GM TBI throttle body and its two injectors, or with eight individual injectors. You can configure it as a fuel-only system, or have full timing control through a distributor (the distributor advance is locked and the computer controls the timing), or you can go to a crank trigger setup with or without a distributor. You can use no oxygen sensor, or a narrowband sensor, or a wideband sensor. You can use a mass airflow meter or speed density. Whatever you want to use, it can be configured to work with.

MegaSquirt does require that you have a basic working knowledge of electrical circuits, are able to crimp and solder neatly, can use a test light and DVOM, and can follow fairly complicated directions. It is an open source product and that means that you don't call an 800 number for tech support - you go to a forum and search for information. If you need more help, you ask other users who have been there and done that. It is not a good solution if you just want to bolt on a kit and start driving.
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