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165 -> 730 conversion...

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Old Jul 19, 2001 | 10:57 AM
  #1  
okfoz's Avatar
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
165 -> 730 conversion...

I have one simple question, If I decide to convert to the SD (730), will my 165 cal-packs still function?? Limp Home mode, etc, or is that different for the two???

John
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Old Jul 19, 2001 | 11:34 AM
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No, the memcals are ECM specific. The 730 has the ESC on the Memcal also.
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Old Jul 19, 2001 | 11:36 AM
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From: In reality
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Engine: Vsick
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<font face="Verdana, Arial" size="2">Originally posted by okfoz:
I have one simple question, If I decide to convert to the SD (730), will my 165 cal-packs still function?? Limp Home mode, etc, or is that different for the two???
John
</font>
Nope.
730 uses a 256 eprom.
Also, has additional lil knock filter circuit on it. You'll be much better off using the corresponding memcal.

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Old Jul 19, 2001 | 02:34 PM
  #4  
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I agree. Memcals, while not cheap, are not expensive either. In fact, even though my car is an SD car and I had the stock GM Memcal, I bought a second one as a backup. You just never know when something may happen. Also, it helps in "diagnosing" a problem as you can eliminate the Memcal/eprom as a possible problem.

In fact, I am now going to pickup a second ECM, just because...you never know. It's nice to have "known, good" backup parts to allow you to eliminate as many possibilites when the "crap hits the fan". I hate it when you have a problem, get a second part, and you are not certain if the second part is really good as you never had a chance to test it before when everything was fine.
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Old Jul 19, 2001 | 03:35 PM
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From: In reality
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<font face="Verdana, Arial" size="2">Originally posted by Glenn91L98GTA:
I agree. Memcals, while not cheap, are not expensive either. In fact, even though my car is an SD car and I had the stock GM Memcal, I bought a second one as a backup. You just never know when something may happen. Also, it helps in "diagnosing" a problem as you can eliminate the Memcal/eprom as a possible problem.

In fact, I am now going to pickup a second ECM, just because...you never know. It's nice to have "known, good" backup parts to allow you to eliminate as many possibilites when the "crap hits the fan". I hate it when you have a problem, get a second part, and you are not certain if the second part is really good as you never had a chance to test it before when everything was fine.
</font>
Now where have I heard that before....


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Old Jul 19, 2001 | 04:04 PM
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Amen. I have a backup ECM/MemCal combo coming in the mail very soon

Tim

------------------
TRAXION's 1990 IROC-Z
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Old Jul 23, 2001 | 08:25 AM
  #7  
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
ok, I kind of figured that, they would be different.

Been out of town, havent had a chance to reply...

The problem I have is since I have 87 TPI Formulas, I was thinking about converting over to the SD, Since I have 1 extra ECM & Memcal, I was HOPING all I would need was the ECM & a few sensors, do a little rewiring for the ecm.

Thanks for the clarification

John...
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