I'm back again 21 HIgh Country

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nodnarb901

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I was a member on here a while back with my 15 Denali. I sold that and bought a Civic Type R. Great car but very stiff and hard to get in and out of.
Sold it and bought a 21 Tahoe High Country. Great truck. It's like driving my living room lol.
A few quesions.
Is it safe to run 5w30? I feel it would be a little better for the engine and possibly protect it a little more.

Also coming from my Type R where a simple tune would net quite a bit of power, I realize that is unlikley on this truck as it's not forced inuction.
So I have seen the Range DFM module and A'mpd pedal controller. I always stayed away from things like this, but have read some great reviews on them and would
like some more opinions before I pull the trigger.
 

LtTahoe

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do you have the 6.2 and have the free 150k extended warranty on the engine if so I wouldn't touch it with any aftermarket product.
 

GMCnewbee

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You will see every oil opinion on this Forum. My 2022 Denali was on 0W-20, is now on 0W-40. I would have no problem running 5W-30, none at all. For me, it depends a lot on where you live (cold/hot) and how you drive, like towing a trailer?
 
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nodnarb901

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Here you go. Spent a weekend getting her all cleaned up and shiny.
Whenever I buy a used car I immediately replace the tires, brakes, wipers, battery spark plugs/wires and all
Fluids/filters. Not knowing how the previous owner maintained it, I want to make sure everything is serviced. Plus most people start putting cheaper service parts on their cars the longer they have them to cuts costs so I want quality parts on the truck.

Thank you all for the warm welcome.
 

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Miami-Dade

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@nodnarb901 Out of curiosity did you get any service records? How many miles on it?
 

RST Dana

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Here you go. Spent a weekend getting her all cleaned up and shiny.
Whenever I buy a used car I immediately replace the tires, brakes, wipers, battery spark plugs/wires and all
Fluids/filters. Not knowing how the previous owner maintained it, I want to make sure everything is serviced. Plus most people start putting cheaper service parts on their cars the longer they have them to cuts costs so I want quality parts on the truck.

Thank you all for the warm welcome.
Did you run out of film? We want to see 360 and INSIDE. I have a 21 HC and love it. Show us your options/upgrades and I’ll show you mine.
 

Bigburb3500

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Here you go. Spent a weekend getting her all cleaned up and shiny.
Whenever I buy a used car I immediately replace the tires, brakes, wipers, battery spark plugs/wires and all
Fluids/filters. Not knowing how the previous owner maintained it, I want to make sure everything is serviced. Plus most people start putting cheaper service parts on their cars the longer they have them to cuts costs so I want quality parts on the truck.

Thank you all for the warm welcome.
I LOVE the color!!! The only other color I like more is the GMC redwood or something that is a burnt red color.

Can’t wait to have you on the forum more and engage with others here. Cheers and congrats on the purchase!
 

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