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 Post Posted: Fri Jul 24, 2009 10:17 pm 
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Joined: Sun Jul 27, 2003 11:58 am
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Location: Chitown Suburbs
What is your take on the supportability of an aftermarket EFI system down the road?

We had a friend who had nothing but grief with a Holley system, so that concerns me about going aftermarket with an EFI setup.

Obviously, an OEM system has all sorts of diagnostics built in and parts are available and will be available down the road. Is that an issue with say a FAST or Edelbrock system?


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 Post Posted: Sun Jul 26, 2009 2:30 pm 
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Fast has been around for years and still going strong. I think that is your best bet and there are alot of people that can help out with it.

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 Post Posted: Sat Sep 26, 2009 8:09 pm 
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Location: Windsor, Ontario, Canada
FAST is good, but EXPENSIVE.


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 Post Posted: Fri Oct 09, 2009 11:21 am 
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Location: Rochester, NY
I have used a DIY system, megasquirt, and I have had very good success with it. The best part is, if you use a vendor like DIYAutoTune.com, they will always answer questions and help troubleshoot. You always have a huge following on the megasquirt forums that can also answer questions. Check out msefi.com and see for yourself.


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 Post Posted: Tue Oct 20, 2009 9:35 pm 
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big-angry-hillbilly wrote:
FAST is good, but EXPENSIVE.

I bought mine for $500 for the fast and $225 for the harness. I dont think thats too bad.

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 Post Posted: Fri Nov 06, 2009 10:34 pm 
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Accel acted like they never made my unit (old 92' DFI box) once they went to a newer version or two.
Couldn't find any help with it so I tore it out and run a GM ECM and DIY tuning.
GM OBD1, MS has good support groups out there. FAST has I've heard as well from many but you do have to shell out $$ for a FAST setup.

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 Post Posted: Fri Feb 10, 2012 1:24 pm 
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Holley makes good equipment but you have to read the manual, read the manual - they don't write the best manuals in the world but it is all there. Also the Holley support on Chevytalk.com (in the EFI forum) is top-notch. Their tech support has been spotty for me. Doug Flynn at Holley is contactable and has gone out of his way to help me. So overall I have been happy with the Holley EFI products and recommend them. The new EFI line is kick-a$$ for the price.

Jim

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 Post Posted: Sun Feb 19, 2012 7:34 pm 
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I use an EBL (Embedded Lockers) setup from DynamicEFI.com in my '92 Sierra, liquidh8 uses/used one in his Malibu and plans to use it in his turbo Buick wagon too I think. Bob (aka RBob on thirdgen.org) has a few versions available.
liquidh8 - http://www.maliburacing.com/forum/viewtopic.php?t=73510
mine - http://www.maliburacing.com/forum/viewt ... 14&t=98393

It's been great, I can tune it with a laptop and Bob is a huge help with any questions you may have. The great part is since some of the G-Bodies came with TBI you can get a factory harness, factory plumbing (at least to a point) and a factory tank for EFI in pretty much any of the G-Body coupes/sedans.

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 Post Posted: Fri Jun 08, 2012 12:56 am 
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jrdrag wrote:
I have used a DIY system, megasquirt, and I have had very good success with it. The best part is, if you use a vendor like DIYAutoTune.com, they will always answer questions and help troubleshoot. You always have a huge following on the megasquirt forums that can also answer questions. Check out msefi.com and see for yourself.


What he said. Bought a system from DIY autotune and have nothing but good things to say about it. Used a junkyard TBI and in-tank walbro pump with a GN FI gas tank. Takes a bit of time to get it tuned up and running properly, but for atleast half the price of any other aftermarket EFI setup (buying brand new) it was well worth it.

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 Post Posted: Fri Jun 08, 2012 9:34 pm 
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Doober wrote:
I use an EBL (Embedded Lockers) setup from DynamicEFI.com ...

RBob also has this available in a TPI version to drive the port fuel injectors.
A good option to think about too.
=D> Knows his stuff.

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 Post Posted: Sat Jun 09, 2012 7:38 am 
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Yup, but the most plug & play compatible setup for G-Bodies would be the regular EBL for TBI and a stock TBI harness, modified for port injection... or the SFI-6 version with a GN setup.

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'92 Sierra - EBL/TBI-fed Vortec 383/700R4/3.08
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'78 Malibu - Vortec 350/4-speed (for now)


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 Post Posted: Fri Nov 30, 2012 6:28 pm 
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When I did my last project, an '88 V-8 S-10 blazer, I used the factory tbi with some mild mods and the EFI spoiled me. I'm definitely looking at efi for my big block. No choke and the ecm will control my lock-up converter. I think the fuel mpg will improve as well. I've been looking at the EBL system for a long time, I think it might be time to give it a try.

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 Post Posted: Fri Dec 21, 2012 12:17 am 
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I don't know what you have in mind, but if you're considering TBI, I would also look into a Vortec intake and heads. If they do for a BBC what they did for an SBC, then that's a lot of potential using factory parts. It will also be easier to control fuel flow at low speeds with 8 injectors instead of 2.

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'92 Sierra - EBL/TBI-fed Vortec 383/700R4/3.08
'87 Fiero GT - 2.8/5-speed
'78 Malibu - Vortec 350/4-speed (for now)


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 Post Posted: Fri Dec 21, 2012 9:17 am 
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I'm in the middle of looking for my EFI options for the time trial/hill climb car as the carb is giving me fits on the steep hills and drastic elevation changes. Also contemplating the EZ-EFI options. You may want to give Brian Macy a call at Horsepower Connection or shoot him an e-mail. He's been great about taking the time to answer all my dumb questions so far, and if you ever need support, you can go through him rather than sitting on hold with so and so's tech support line.

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