Transmission experts - Pontiac G6 Forum
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post #1 of 4 (permalink) Old 02-25-2019, 09:06 PM Thread Starter
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Transmission experts

So just got a 07 poniac g6 that has a transmission problem so been looking at transmissions could I put a g6 gt transmission in a standard g6 or does it have to be a stardard g6 transmission
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post #2 of 4 (permalink) Old 02-26-2019, 12:05 PM
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They Should All Fit The Same
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post #3 of 4 (permalink) Old 02-26-2019, 06:53 PM
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i think the 3.5 and 3.9 trans would be the same and the 3.6 might be different.
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post #4 of 4 (permalink) Old 02-27-2019, 09:34 AM
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They will physically fit, but if I recall, their were 2 different output ratios, 3.05 and 3.29.
While you can install the different transmissions, not sure how to overcome the PCM dealing with an incorrect ratio.
I've seen a few threads on it.

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