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post #1 of 8 (permalink) Old 02-28-2016, 05:47 PM Thread Starter
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New to me G6

Well I just bought a 07 G6 GT with 170k on it. I paid 3k for it from what I can tell it seems like a solid car. I plan on doing what most people do when they buy a used car and that's replace every fluid in it. Or it could be I am just anal like that. What brands of oils and such do you guys like the most. I have always been a royal purple type of guy but I know certain engines like oils. Also what type of spark plugs should I get. Thanks
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post #2 of 8 (permalink) Old 02-28-2016, 06:07 PM
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Go with OEM spark plugs. I got the 41-100 ACDelcos in my V6 2008. Though I assume it's compatible which engine do you have?

As for fluids. I use Mobil 1 synthetic. Honestly though use whatever you can afford. It's not going to turn a 170k car into a new car.

2008 G6 Dark Gray Metallic SE V6
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post #3 of 8 (permalink) Old 02-29-2016, 12:35 AM
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I run mobile 1 extended performance.
As for plugs I have run ngk but went back to AC delco. Can't beat OEM. Work great in my 4 banger.
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post #4 of 8 (permalink) Old 02-29-2016, 08:03 AM
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I've got the same 07 3.5 GT Using same AC Delco 41-100 and Mobil1 High Mileage, and just replaced transmission fluid with Mobil 1


Waterfowler's 6 <---- Check out my 6
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post #5 of 8 (permalink) Old 02-29-2016, 02:04 PM
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i also use ac delco oem plugs, oil i run Valvoline max life
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post #6 of 8 (permalink) Old 03-01-2016, 04:58 AM
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OEM plugs & Mobile one here....

Crab Intakes CAB, MPD Ram Air hood, Custom exhaust,
WAMS High Performance Tune and a whole lot more....

My Progession
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post #7 of 8 (permalink) Old 03-01-2016, 06:50 AM Thread Starter
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Thanks for all of the input. I am kind of hoping that the 3.5 is a good engine. I have a Sierra with the 5.3 in it and it has 234k on the clock and still runs great I have always had good luck with GM engines.
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post #8 of 8 (permalink) Old 03-02-2016, 03:11 PM
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GM engines are solid. The only problem they have are gaskets. They never seemed to be able to solve this problem.
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