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Old 11-12-2010, 09:30 PM   #1 (permalink)
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350 TBI Programmable EFI Parts

I would prefer to sell the EFI stuff together because the Holley throttle body will run rich on a stock ECM and will need the programmable ECM to adjust the fuel tables. With the vacuum referenced regulator this setup will support around 350 to 400 horsepower.

Dynamic EFI Programmable ECM $200
Holley 670 CFM throttle body $150
Projection intake manifold $100
Aeromotive vacuum referenced fuel pressure regulator $75
Wire harness and sensors $100
Autometer Ultralite wideband O2 guage $200
Laptop with 9 pin serial port and programming and datalogging software installed $200
ALDL cable for datalogging $50

Package deal $800 OBO
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Old 11-12-2010, 09:53 PM   #2 (permalink)
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First in line for harness! Willing to ship the harness to 84119? That's Utah... It works for any tbi 350 right? Can you send pics to cjncustoms@yahoo.com.
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Old 11-13-2010, 10:37 AM   #3 (permalink)
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It is a factory GM tbi harness and sensors. I extended the wires to route to the ecm in the factory location where the yj mounted it. I would have to cut off the injector connectors for the holley throttle body and solder on gm ones as they are different, unless you want the holley.
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Old 11-13-2010, 10:54 AM   #4 (permalink)
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Na nevermind I was hoping it was a plug and play kinda harness not needing any mods...
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Old 11-13-2010, 12:37 PM   #5 (permalink)
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picture of TB to ddestruel at yahoo.com

what size injectors, what model holley TBI when was it purchased?

what sensors come with the wiring harness?

on the Dynamic EFI Programmable ECM, i am not familiar with them i have always stuck to the craig moates style solder in adapter, chip burning and data logging. what can you tell me about it. howd it work for you


thanks
DD
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Old 11-13-2010, 03:52 PM   #6 (permalink)
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I don't have any pictures handy, but I can get some within a couple of days.

It is the holley 670 cfm 2 barrel throttle body. It is an upgrade for the factory throttle body. It has I believe 68 #/hr injectors and 2 inch diameter butterflies. I purchased it used about 3 years ago. It doesn't have alot of miles on it.

I used it with factory sensors, which I would include with the wire harness:

knock sensor
ESC module
1 bar map
water temp sensor
o2 sensor

I'll throw in a used factory distributor with electronic advance as part of the package.

Included with the throttle body:

IAC
tps sensor
injectors

The Dynamic EFI system is a board soldered in place of the prom chip board in the factory ECM. It 'flashes' in up to seven different programs through a port on the added board, doing away with actual prom chips.

I never had any problems with it. The 'What's Up' software was quite easy to use. It had self learn fuel tables. You could datalog a run, with bar graphs showing knock counts, throttle position, vacuum, speed, rpm, o2 volts, pulse width, wide band air/fuel ratio, etc, and play it back afterwards, and see in a table where the knock counts occured to retard the timing, as well as air fuel ratios while under boost and acceleration enrichment. It also showed % duty cycle to see when the pulse width was maxed out and you would have to make a fuel pressure change to up the fuel delivery. It is compatible with the autometer wideband guage that I am also selling.

I used Tuner Pro to make actual program changes and then upload and datalog with the What's Up software. These two programs are on the laptop.

My application was with a vortech supercharger. I was able to use a 2 bar map sensor and the programming software gave me fueling and spark tables to alter above 1 bar. I also used a vacuum referenced fuel pressure regulator, (boost in my case) to increase the fuel pressure under boost to increase the fuel flow up top, yet keep the fuel pressure lower at idle for a stable idle. It was quite a bit of tuning to get it right, but it pulled strong.

Dynamic EFI has a website with some more detailed info as well.
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Last edited by siebert; 11-13-2010 at 04:06 PM.
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Old 12-12-2010, 04:47 PM   #7 (permalink)
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siebert..

Do you still have these bits and pieces? I'm building a Vortec headed TBI for a Camaro that I have and I'm looking for a Deal on a Dynamic EFI controller..

Where in BC are you located? I'm in Burnaby.

Last edited by Olds442; 12-12-2010 at 04:47 PM.
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Old 12-12-2010, 07:13 PM   #8 (permalink)
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Yes, I still have them. Which parts are you interested in?

I am in Pitt Meadows. I can meet somewhere in the middle sometime this week.

I just remembered that I have it stored up at my dad's place in Sechelt. I will be going up there possibly this weekend so I can bring back whatever you want to look at. Let me know

Chris
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Last edited by siebert; 12-12-2010 at 07:15 PM.
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Old 12-12-2010, 07:56 PM   #9 (permalink)
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Mostly just the mod'ed ECU... And the supporting software CD (I have a laptop or two ) But maybe the harness too... Have you modified the harness yet or is it stock? I'm planning to run a GM TB off of a Pickup Truck and have a line on one for next to nothing in the interior... Just waiting for the Coquihalla to be snow free to drive up and get it.

Any info on the ECM? What GM part number is it? 1228747? Did you mod it or did you buy a complete system from Dynamic?

Last edited by Olds442; 12-12-2010 at 08:19 PM.
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Old 12-14-2010, 11:37 AM   #10 (permalink)
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Old 12-31-2010, 03:31 PM   #11 (permalink)
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How was your holidays?

Any update on the ECM?
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Old 03-08-2011, 10:52 AM   #12 (permalink)
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Bought most of it.

Transaction when smoothly, Chris is a great guy to deal with.

Thanks Again Chris.
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