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Old 04-05-2012, 01:46 PM
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MSD Fuel injection

I have been considering installing a EFI on my 428 CI 69 Pontiac, hopefully to better the fuel mileage,
MSD has a self programing EFI that looks promising,
another co ( Proformance Products)has (had) a simular unit that was also self programing according to your driving habits
anyone have any ideas either positive ot negitive about these units?
MSD EFI
http://www.summitracing.com/parts/MSD-2900/

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Old 04-05-2012, 04:16 PM
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Bill - That MSD 'Atomic' EFI was just released about 2 months ago. There haven't been too many delivered yet. I'm looking at it for the future on my '31 but wont be a 'test stand' for another new product so will wait at least a year. MSD has a specific forum just for that EFI, and I am keeping my eye open for any problems.

http://www.atomicefi.com/forum.aspx

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Old 04-05-2012, 07:38 PM
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Thats pretty much what I was thinking, altho MSD has a outstanding reputation,
thats a big chunk of money to throw around, and just hoping it will work correctly,
Professional Products has a simular unit,, but somewhat cheaper, but also no word on the performance from anyone that has had experance with the product,, A friend ordered one and was shipped the return fuel lines, but no unit, turned out to be a scam, good thing he paid with a credit card,, but still took a couple of months to get most of his money back,
I was just wondering if anyone on here has had some involvement with it,,
I'm with you Dave,,
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Old 04-06-2012, 05:30 AM
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Quote:
Originally Posted by Bad Rat
....
another co ( Proformance Products)has (had) a simular unit that was also self programing according to your driving habits..
Holley and FAST also have similar "self programming" trottle body EFI systems. All the systems have small differences in build up and what they can do and work on. I don't think there is 1 "best system" between the 4 brands, but there can be a best system for your specific needs/build.

Both FAST and Holley have a lot of experience with EFI, and FAST's self-adjusting systems have been on the market for about 3 years and it's easy to find owner feedback on the web now. They also have a online help forum: http://www.cpgnation.com/forum/fast-...ort-page2.html

I think one drawback on the MSD system is that MSD have no reputation in EFI and from what I have read they are still developing on some of the functions, and removing bugs.
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Old 04-06-2012, 05:52 AM
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edelbrock is also coming out with one very soon
from the homework I have done so far, I am almost positive I will be using the FAST EFI
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Old 04-06-2012, 06:58 AM
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From everything I can find, Holley seems to have the best EFI right now, and that's why I'm using one in my car-they have the fastest processor (right now), one of the best (if not the best) self-learn modes, and good Technical Service (although I think that FAST has the best Tech help right now with their online Forum, but Doug and the guys at Holley do a great job)-I'm using the Dominator, but the Avenger is about the same, as it only lacks the Trans Control and has one less 02 Sensor (the Dominator has two), and some inputs-it's a great piece for the money-

I guess it's a Chevy vs. Ford kinda debate, but I would definitely include Hollley in my comparison-

http://www.summitracing.com/parts/HLY-550-402/
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Old 04-06-2012, 08:02 AM
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Craig - I've looked at that as well, but from all I can find out is that a return fuel line is required for the Holley EFI. The MSD 'Atomic', for a standard installation, doesn't need that line. They have a go-no go test to check if it's needed and my car is borderline - so you know which side of that border I'll lean . My car, right now, it would mean lots of significant work to find a clear run then to plumb that line into the tank. The engine setback as well as the way I have the underside pieces wouldn't make for a fun project.

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Old 04-06-2012, 08:13 AM
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Dave,

I can certainly understand that problem, as I am dealing with it right now (and I have to run -8 front-to-back)-it is a challenge to say the least.

My Brother-In-Law has a 302 in a really nice '67 Mustang Fastback he is currently building, and he has purchased the Professional Products unit in the last 6 Months or so and installed it-his engine is kind of mild, so it stays under the Horsepower limits that the Professional Products units advertises.

I asked him how he liked it-he said he has only driven it around the neighborhood, but it works as advertised (and he didn't have to run the return line! He also said that he had little problem at start up, which is obviously a good thing-

I know the Professional Products offering has been around for at least a few Years, but from his experiences so far it sounds like a good deal-

http://www.professional-products.com/EFI_3.php

That being said, if you don't want to run a return line (I know I didn't, but really didn't have much choice with my induction), the MSD may be a good choice, although I would include the FAST EZ-EFI too-
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Old 04-06-2012, 11:42 AM
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I like the idea of no return line, and also the simple instulation of the Pro products and MSD units
. The Fast units look pretty complicated to install, ( not as clean looking as the others)
I think I will wait and see how the MSD unit fairs with users first,
My car seems to be going slow in the reassembly process anyway,
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Old 07-23-2012, 04:34 PM
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MSD or Other Fuel injection

I have a FAST EZ EFI in my 56 Chev. Running a 427 with 550 HP . works exceptionally well. I also like the look of the MSD for the timing control capability. I think though everyone should be running a return line. It's not that hard to do. They give you the line and you can run tie wraps and clamps along the frame rails. Even if you don't run a return line you have to re-do the fuel pump and filter anyways o you might as well do the return line. It keeps the pump working much better.
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