The boss is after a new used buggy. She is used to driving trucks, and wants something big with 3 rows, and room behind the third row. Thus, we're relegated to a Suburban/Yukon XL or a Expedition EL type rig. Her last SUV was an Excursion, so she is not intimidated by large vehicles.
I'm looking for feedback from anyone that has owned the Advanced Fuel Management V8's, in the Sub/Yuk platform, 2010 to 2015 range, and whether their experience was good or horrifying. I've owned enough Fords to know they're not perfect (daughter's Expedition just barfed out its fourth spark plug), and I don't believe any of the other manufacturers offer anything large enough.
We have had great luck with the 5.3 in 6 trucks. Average about 18 mpg local driving. Comments from guys that have the 6.2 are that they have plenty of power but gas mileage is 10-12 mpg.
I drove a new 1/2 ton Chevy with the 5.3 before I bought my Ram. asked the salesman why if felt like it was cutting out on the interstate. He said, they all do that, it’s the AFM. I said no thanks. Truck felt cheap and ran like crap, as far as I am concerned. Had a pre-AFM 5.3 in a Suburban, awesome truck and motor. ran like a scalded dog and got good mileage to boot. Got a bit over 20mpg with that rig driving from MO to Norfolk, VA.
Can't you just unplug the AFM module? From what I've heard on various TV shows, you can just take out the fuse or unplug something and forgo the "pleasure" of it cutting out the cylinders.
You can roll a turd in peanuts, dip it in chocolate, and it still ain't no damn Baby Ruth.
l told my pap and mam I was going to be a mountain man; acted like they was gut-shot. Make your life go here. Here's where the peoples is. Mother Gue, I says, the Rocky Mountains is the marrow of the world, and by God, I was right. - Del Gue
I have a 6.2 in my GMC Sierra 1500 and really like it. Lots of power and I get good mileage for the type of driving I do 41,000 miles and 18.7 avg currently
This. Works like a charm on a 2017 5.3. First thing I bought for it.
That's interesting. I like the idea of not having to do a reprogram. I don't buy full size trucks expecting to get miraculous gas mileage. I can live with 12-15mpg if the drivetrain is reliable.
I have 3 Chevy trucks and Suburbans and they all have the 5.3 with 275,000++ miles on them. They’ve been completely dependable and damn near bulletproof! I will be buying another after Hawaii but I’m wanting a 3/4 ton diesel but I wouldn’t hesitate getting another 5.3. It’s towed, hauled and busted trail for me all over the western states and it’s NEVER left me stranded!
Good luck but you won’t need it since you’re buying a Chevy. 😁
PS...don’t listen to the BS uninformed propaganda about the bailout money. Ford took just as much as Chevy and I think Dodge or it’s parent company did too. If hundreds of millions of dollars were being handed out to your competition you’d be foolish not to take it. It would be almost irresponsible to the Board and the shareholders to yield your competitive edge by turning down a no interest loan. I didn’t want to derail your post but thought I’d inject some perspective just in case this thread turns into EVERY OTHER THREAD about Chevy, Ford, Dodge and Toyota (😂)
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I have 3 Chevy trucks and Suburbans and they all have the 5.3 with 275,000++ miles on them. They’ve been completely dependable and damn near bulletproof! I will be buying another after Hawaii but I’m wanting a 3/4 ton diesel but I wouldn’t hesitate getting another 5.3. It’s towed, hauled and busted trail for me all over the western states and it’s NEVER left me stranded!
Good luck but you won’t need it since you’re buying a Chevy. 😁
PS...don’t listen to the BS uninformed propaganda about the bailout money. Ford took just as much as Chevy and I think Dodge or it’s parent company did too. If hundreds of millions of dollars were being handed out to your competition you’d be foolish not to take it. It would be almost irresponsible to the Board and the shareholders to yield your competitive edge by turning down a no interest loan. I didn’t want to derail your post but thought I’d inject some perspective just in case this thread turns into EVERY OTHER THREAD about Chevy, Ford, Dodge and Toyota (😂)
I have a 2003 5.3 with 319K on it currently. It's the one I'm looking to replace before the nickel and diming gets out of control. I hope that the newer engines are just as reliable.
Recently made a run with a buddy in his new Denali Z-71 pickup with the 6.2 liter engine. He had his leveled at the dealer before taking delivery and swapped out his new tires for some 33” BFG KOs in 8 ply. The dealer corrected the speedometer and shift points for tire size.
We traveled close to 500 miles round trip. His hand calculated average was 16.6 mpg and the computer was very close to that. Speeds varied but mostly 75mph on the interstate and he doesn’t baby the truck. Lots of heavy winds.
It was a flawless performance all the way around and a nice ride.
Just fwiw.
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