Thread: Will 05 GP PCM work in 04 GP

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  1. #1 Will 05 GP PCM work in 04 GP 
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    Case at hand:
    04 GT getting engine/harness from 07 GT.
    I understand 06-08 people swap to 05 PCM's for tuning, but I'm curious if there is any difference that would restrict us from utilizing the original 04 GP GT PCM with the 07 wiring (tuning necessary of course)?
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  2. #2 Re: Will 05 GP PCM work in 04 GP 
    GTX Level Member Travisgt2's Avatar
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    ur logac sounds good might have to wait till some one with more knoledge comes around though im not to bright in that department
    04 GT2: 180 t-stat, cold air intake, reptile tune, plog, hv3, gt1 cam, 90#springs, new push rods, new lifters, port polished heads, lim, uim and tb, 06 Impala brakes and steel brake lines. Cosmetic: black roof rails, under glow, Pontiac ground light, blue hud dic radio controls and cluster. To come custom hood.
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  3. #3 Re: Will 05 GP PCM work in 04 GP 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    04 and 05 pcms are the same as far as I know. I've swapped them back and forth.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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