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Dec 30th, 2023
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 Re: 6.6 gasser Chevy 2500
[Re: patriot07]
#14315659
03/14/22 11:29 PM
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Joined: Aug 2020
Posts: 952
z289sec
Pro Angler
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Pro Angler
Joined: Aug 2020
Posts: 952 |
I can't believe some of the mileage figures being shown on video channels on the 6.6 2500's. People are claiming almost double what the old 6.0 4L80 trucks were capable of. That 6.0 was built for torque and reliability and the mpg was absolutely terrible. There just aren't any really good reasons to buy an HD gasser. Go look at resale on diesel versus gas HD trucks and the up-front cost hit will seem miniscule. I wouldn't own a 3/4 or 1 ton gasser myself, but the mileage people are claiming with the 6.6 is still pretty unbelieveable.
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Re: 6.6 gasser Chevy 2500
[Re: cephusjoe]
#14319124
03/18/22 12:29 PM
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Joined: Apr 2013
Posts: 1,930
cephusjoe
OP
Extreme Angler
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OP
Extreme Angler
Joined: Apr 2013
Posts: 1,930 |
I ended up pulling the trigger on a 2022 Chevy 1/2 ton with the 3.0 duramax. A 3/4 is tough to come by right now… I’ll drive it and see how I like it. Maybe after all the supply issues are over, I can trade up if I want. I’ll keep everyone posted on how the truck does!
Mcurtain county okie
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Re: 6.6 gasser Chevy 2500
[Re: cephusjoe]
#14350873
04/23/22 11:26 PM
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Joined: Mar 2006
Posts: 2,829
basscaster46
Extreme Angler
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Extreme Angler
Joined: Mar 2006
Posts: 2,829 |
Just tossing out another piece of info. My boss has a 22 GMC half ton with the diesel and the 10 speed, absolutely outstanding fuel mileage, and more than enough torque to tow just about anything you'd ever want to try and stop with a half ton. He's had it since October of 21, and loves it. His previous ride was a 17 F250 with the 6.2 gasser. Yes I’ve done the research on that truck. I’m not in the market for any diesels until they get all the def issues worked out. I’m retiring in 4 years and want my truck paid off before I do. I plan on keeping the truck for 15 or 20 years. I just think diesel repairs and maintenance are going to cost too much. Gas truck may not have the resale but it don’t cost as much. Also if you keep a truck along time who cares.
I got all day I’m retired
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Re: 6.6 gasser Chevy 2500
[Re: cephusjoe]
#14402498
06/23/22 07:46 PM
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Joined: Dec 2010
Posts: 409
reelfast
Angler
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Angler
Joined: Dec 2010
Posts: 409 |
I bought a new 2020HD with the 6.6 and when new was getting 16mg. Since then I’ve went to larger wheels and tires and it has dropped to 13.5. Runs excellent and could tow just about anything
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Re: 6.6 gasser Chevy 2500
[Re: cephusjoe]
#14403689
06/24/22 07:51 PM
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Joined: Dec 2008
Posts: 8,760
Samsonsworld
TFF Celebrity
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TFF Celebrity
Joined: Dec 2008
Posts: 8,760 |
Gassers have excellent resale.
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Re: 6.6 gasser Chevy 2500
[Re: TITANIUM-BACK]
#14429448
07/25/22 01:32 PM
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Joined: Feb 2008
Posts: 18,271
krawlin 47
TFF Guru
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TFF Guru
Joined: Feb 2008
Posts: 18,271 |
I have seen out of a fleet of 35 GM trucks 6 of the 10 2021 6.6 gas engines eat cams already under the camshaft TSB and a couple were out of warranty. One even strangely dropped a lifter and yes they were maintained. Far as the 5.3 or 6.2 wouldnt touch one with 20' pole. Just got done doing another whole engine replacement from a failed AFM lifter and it wiped the engine out and took out the cylinder.
There hit or miss....you get a good one or a bad one. This is not an exaggeration in any way....I have a 2021 AT4 with the 6.2 --- at 14,000 miles (last week) while traveling through Colorado both lifter banks went out stranding me in Woodland Park...after limping it to the Chevy Dealer in Colorado Springs and then spending 2000.00 on a rental to finish the vacation I picked the truck up on Saturday 7.23.22 - got on I-25 to head home and exactly 45 miles down the road the same thing happened AGAIN! I asked the Service adviser in Colorado Springs...How often do you see this? His answer..."A Bunch" most of the time they come back again for a second repair! I made it home fighting the truck all the way. I will get this thing fixed and the truck will be history for me...no longer trusted. 2021 AT4 - my pride and joy is a total POS.
Whether you think you can or you can't, you are probably right.
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Re: 6.6 gasser Chevy 2500
[Re: reelfast]
#14429822
07/25/22 07:11 PM
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Joined: Apr 2010
Posts: 27,063
patriot07
TFF Guru
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TFF Guru
Joined: Apr 2010
Posts: 27,063 |
I bought a new 2020HD with the 6.6 and when new was getting 16mg. Since then I’ve went to larger wheels and tires and it has dropped to 13.5. Runs excellent and could tow just about anything I've got a 2019 L5P and get around 20 mpg. Seen as high as 25 on pure highway and as low as 15 in pure city. Get 9-11 mpg towing my 9k lbs TT
Life can only be understood backwards; but it must be lived forwards.
- Soren Kierkegaard
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Re: 6.6 gasser Chevy 2500
[Re: cephusjoe]
#14430270
07/26/22 09:40 AM
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Joined: Mar 2011
Posts: 15,321
Bandit 200 XP
TFF Guru
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TFF Guru
Joined: Mar 2011
Posts: 15,321 |
What's a L5P ?
Duramax
Last edited by Bandit 200 XP; 07/26/22 09:41 AM.
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