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$8D with 3-spd auto

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Old Oct 1, 2012 | 11:38 AM
  #1  
34blazer's Avatar
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Joined: May 2010
Posts: 848
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From: Alamogordo, NM
Car: '86 Grand National
Engine: LZ9????
Transmission: 2004R
Axle/Gears: 3.42
$8D with 3-spd auto

since ive only used 8D exclusively with the T5, i have almost no idea how the logics work with the auto trans. what would i need to change to use 8D with a 3spd auto?
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Old Oct 1, 2012 | 07:33 PM
  #2  
JP86SS's Avatar
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Joined: Apr 2004
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From: Browns Town
Car: 86 Monte SS (730,$8D,G3,AP,4K,S_V4)
Engine: 406 Hyd Roller 236/242
Transmission: 700R4 HomeBrew, 2.4K stall
Axle/Gears: 3:73 Posi, 7.5 Soon to break
Re: $8D with 3-spd auto

There's really no control other than the converter lockup.
The IAC settings are different to make running smoother with the added loads from the converter.
If its not a lockup trans, just run the stock auto trans IAC settings and get the VSS to work and it should be fine.
Jp
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Old Oct 1, 2012 | 09:19 PM
  #3  
34blazer's Avatar
Thread Starter
Senior Member
 
Joined: May 2010
Posts: 848
Likes: 0
From: Alamogordo, NM
Car: '86 Grand National
Engine: LZ9????
Transmission: 2004R
Axle/Gears: 3.42
Re: $8D with 3-spd auto

Originally Posted by JP86SS
There's really no control other than the converter lockup.
The IAC settings are different to make running smoother with the added loads from the converter.
If its not a lockup trans, just run the stock auto trans IAC settings and get the VSS to work and it should be fine.
Jp
well today i tried running the car(86 fiero se v6) with it but was unsuccessful. TP connects but everything blinks like a christmas tree. went through and set everything up for 6 cyl, injectors, cyl vol, etc. wouldnt fire. found out that map signal was on wrong pin, the factory harness has 2 wires for map. switched it over, and for some reason the map voltage was at 2.5v(key on engine off), maybe since im 2500ft above sea level. not sure if its a bad ground but ran out of time, had to go to work. ill try to get a datalog to show whats going on, the $88 adx connects but not the SAUJP 8D, even though everything is wired exactly the same. id like to use SAUJP because i know it fairly well now so any glitches can be cleaned up faster, and it has WB capes. thanks!
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