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What are your fuel management systems?

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Old Aug 1, 2002 | 03:38 PM
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Omega's Avatar
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From: Northern NJ
Car: 89 Formula / 09 G8
Engine: LS1 / LS3
Transmission: M6 / M6
Axle/Gears: 3:42 / 3:27
What are your fuel management systems?

At the moment I plan on going with a 730 setup with a superfueler for the boost. I thought about the DFI 7.0 but it is pretty expensive and I don't know much about it.

What kind of systems are you using?
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Old Aug 1, 2002 | 05:27 PM
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Car: 1991 Z28
Engine: 305 TPI under 14 psi
Transmission: aftermarket T56
Axle/Gears: Moser 12 bolt 3.08 gears
I'm in the process of converting from the stock 730 ecm to a 749 ecm with the syclone bin file. Much cheaper figuring the computer only cost me $50 from a boneyard and I get to keep my cruise control and gauges.
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Old Aug 1, 2002 | 11:47 PM
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From: Northern NJ
Car: 89 Formula / 09 G8
Engine: LS1 / LS3
Transmission: M6 / M6
Axle/Gears: 3:42 / 3:27
I was under the impression that the syclone ECM couldn't be used. Isn't it a 6 cyl engine? Are he burning/diagnostic programs the same for that ECM? Please explain.
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Old Aug 3, 2002 | 09:15 AM
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From: Tucson, Arizona USA
Car: 1987 Z28 Convertible
Engine: 305 TPI
Transmission: 5-speed
The 749 can be used on an 8-cylinder. Glenn (Moderator, DIY PROM board) knows how to do it.

As for my system, I use the antequated 165 (MAF), and Superfueler with a 3-bar MAP & three 72# injectors. My plan called for a conversion to the 749, but my system works so well that I cannot justify the cost and time to convert.
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Old Aug 3, 2002 | 09:27 AM
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From: the garage
Car: 84 SVO
Engine: Volvo headed 2.3T
Transmission: WCT5
Axle/Gears: 8.8" 3.73
I'm running 749 on a TPI with an Eaton M90. Need to get a set of SyTy wiring diagrams, a 749, and a V8 730 memcal. Do a search on 749 on the Diy Prom board for more info and pinout changes. cheers, Bob
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Old Aug 3, 2002 | 03:19 PM
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From: Northern NJ
Car: 89 Formula / 09 G8
Engine: LS1 / LS3
Transmission: M6 / M6
Axle/Gears: 3:42 / 3:27
Hmmm. I am 3/4 the way finished with my 165 - 730 swap, just a few more wires to solder. How different is the 749 to the 730 in terms of tuning? Are the same programs available for the 730 able to be used for a 749.

Is there anything wrong going with my original plans?
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Old Aug 3, 2002 | 04:24 PM
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From: the garage
Car: 84 SVO
Engine: Volvo headed 2.3T
Transmission: WCT5
Axle/Gears: 8.8" 3.73
Originally posted by Omega
Hmmm. I am 3/4 the way finished with my 165 - 730 swap, just a few more wires to solder. How different is the 749 to the 730 in terms of tuning? Are the same programs available for the 730 able to be used for a 749.

Is there anything wrong going with my original plans?
check out this thread. should answer your questions

https://www.thirdgen.org/techbb2/sho...hreadid=117111
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