Thread: 3100 to 3800 swap questions

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  1. #1 3100 to 3800 swap questions 
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    Hey guys I have a 2000 gp se with the 3100 motor and tranny in it. I pulled a 3800 motor and tranny and whole subframe from a 98 regal. then only thing I see different is the abs wiring in my car. Is there anyway around this? Or is there a way to use the 3100 wiring harness on the 3800 motor? Any help or refrences would be greatly appreciated. Thanks
    Matt J
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  2. #2 Re: 3100 to 3800 swap questions 
    DUI BABY Bio248's Avatar
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    who needs ABS? you can find all the information you need on this site:

    www.motorswap.org
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  3. #3 Re: 3100 to 3800 swap questions 
    GTX Level Member Toofastgs's Avatar
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    Can not use the 3.1L wiring harness or PCM. Bet to get the harness from the car you pulled the motor from and you ave to have new pcm to match the motor.
    00' GTP 350/420 - Retired
    98' GS - Sold
    Current - Lexus ES300
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