Need a swap guru of the g6 world - Pontiac G6 Forum
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post #1 of 4 (permalink) Old 03-11-2016, 11:37 AM Thread Starter
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Need a swap guru of the g6 world

okay so i have a 06 gt 3.5 i was looking in too getting a 3.9 from the gtp convert it to manual (can cost a lot but i can do the job myself and have lot of connection to get parts cheap and lot of peeps to help me along so please dont say you should just buy a gtp or whatever) i want to know the technical sutff behind it. like are the mounts the same ? is both engine basicly the same just remove 3.5 and put 3.9 like a standard my engine blew up repair and i was also looking at the 3.6 L HO VVTI any inputs on this matter ?
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post #2 of 4 (permalink) Old 03-27-2016, 08:22 AM
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I'm in the process of installing a 3.6L VVT from a 09 g6 GXP into a 05 g6. Engine and trans bolted right into place. I had to retain the rear frame mount from the 05 but all other mounts matched right up. I also used the engine harness from the 3.6L for obvious reasons. I haven't completed the swap yet but just letting you know its being done right now.
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post #3 of 4 (permalink) Old 03-29-2016, 08:16 AM
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post #4 of 4 (permalink) Old 03-30-2016, 12:25 PM
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Update.........everything is connected and hooked up except the wiring from the car to the ecm. Does anyone have a wiring diagram for the plug from the inside of the car to the ecm. The plugs are different from the 05 to the 09. The 05 has 25 wires and the 09 only has 21. I have power throughout the car but it won't crank over due to the plugs being different. My plan (if I can find the diagram) is to splice the plug from the 09 to the wiring harness of the 05. I have a complete 09 GXP donor car and have used the engine harness, ecm and bcm from the 09. Any help would be a life saver guys.
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