4.3 V6 gone in 2019?

KARNUT · March 31, 2018

Yep.

The waitresses around here tell me the wealthy are the worst tippers. I tell them it's how they got their wealth.

I did a 200 mile round trip today about 60% Interstate and 35% Federal and State Highways and the remaining 5% city. Half into a 20 mph cross wind and half in my favor. 55 mph Interstate. 50 Primary and whatever the posted limits were with city limits. Trip average speed 48 mph. Trip average fuel efficiency 28.0 MPG. 25.9 mpg into the wind and 30.2 mpg with it. Now I could have driven that route 80 mph Interstate 60 primary and the result would have been something around 18 mpg.

Two things I know about my V6 after 58,000 miles I can drive it like a idiot and get an idiots result which will indeed be the same as the 5.3 results on the same run and speed; OR I can drive like I drive and get a result you couldn't get with a 5.3 V-8 if it fell 200 miles off a cliff with the motor off.

I enjoy reading 90 percent of your post. Some are quite humorous. A few things I know. You got a good deal on your truck used. You put a lot of money into customizing it. You used to own a corvette. We both think V6s are great engines. You expect me to believe that you would turn down the 5.3 for a few dollars more in your truck? Sorry not buying it. GM probably going to drop it. Why? Not because it’s a bad engine. The 5.3 gets damn close in mileage, the price difference is negligible.

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gmissed · March 31, 2018

8 hours ago, Grumpy Bear said:

Anyone that would question your 'man card' for it isn't much of a man.

Yep.

The waitresses around here tell me the wealthy are the worst tippers. I tell them it's how they got their wealth.

I did a 200 mile round trip today about 60% Interstate and 35% Federal and State Highways and the remaining 5% city. Half into a 20 mph cross wind and half in my favor. 55 mph Interstate. 50 Primary and whatever the posted limits were with city limits. Trip average speed 48 mph. Trip average fuel efficiency 28.0 MPG. 25.9 mpg into the wind and 30.2 mpg with it. Now I could have driven that route 80 mph Interstate 60 primary and the result would have been something around 18 mpg.

Two things I know about my V6 after 58,000 miles I can drive it like a idiot and get an idiots result which will indeed be the same as the 5.3 results on the same run and speed; OR I can drive like I drive and get a result you couldn't get with a 5.3 V-8 if it fell 200 miles off a cliff with the motor off.

I've gotten as high as 34 MPG (7 L Per 100 KM) in my 6.2L driving at that speed over approx. 100 miles. Does that count?

Campier · March 31, 2018

9 hours ago, Grumpy Bear said:

I did a 200 mile round trip today about 60% Interstate and 35% Federal and State Highways and the remaining 5% city. Half into a 20 mph cross wind and half in my favor. 55 mph Interstate. 50 Primary and whatever the posted limits were with city limits. Trip average speed 48 mph. Trip average fuel efficiency 28.0 MPG. 25.9 mpg into the wind and 30.2 mpg with it.

I can drive it like a idiot and get an idiots result which will indeed be the same as the 5.3 results on the same run and speed; OR I can drive like I drive and get a result you couldn't get with a 5.3 V-8 if it fell 200 miles off a cliff with the motor off.

Thanks for the data, Cliff! I get a skosh over 25 mpg on the 200 mile turnpike drive to Boardman. I tap the cruise control down 2 mph during the long climb up the Portage escarpment for better economy. Otherwise, I drive 65 mph. 5.3 l V8 with a fiberglas cap

KARNUT · March 31, 2018

When I had my 2014 double cab 5.3,342 V4 tuned out, I got 25 mpg at 60 mph, 23 mpg at 72. I once got 27 mpg on HWY 17 between Charleston and Myrtle beach I was just chilling.

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DONWT15 · March 31, 2018

Ok, lets start hearing life time averages on these things. You can make the DIC read anything you want for short bursts.

I'll start with mine: 5.3 6sp 3.42 with tow package. Tow about twice a month, 4000lbs, 40 mile round trip.

16.9 mpg.

KARNUT · March 31, 2018

Ok, lets start hearing life time averages on these things. You can make the DIC read anything you want for short bursts.
I'll start with mine: 5.3 6sp 3.42 with tow package. Tow about twice a month, 4000lbs, 40 mile round trip.
16.9 mpg.

I posted mine on a gas mileage thread in the summer of 14. My posting was over hundreds of miles, screen shot. There were many on there.

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DONWT15 · March 31, 2018

Did the search. There's lots of gas mileage threads, but very few screen shots left due to the "3rd party hosting" problems.

What truck was it on. Your sig shows a 92 chevy truck?

Grumpy Bear · March 31, 2018

2 hours ago, DONWT15 said:

Ok, lets start hearing life time averages on these things. You can make the DIC read anything you want for short bursts.

I'll start with mine: 5.3 6sp 3.42 with tow package. Tow about twice a month, 4000lbs, 40 mile round trip.

16.9 mpg.

Bingo!!! My DIC reads for the posted trip 31.1 mpg. WRONG!! Much different than the 28.0 calibrated Scan Gauge II showed. The DIC is a joke, 11% happy. .

And I don't get it in a Goldie Locks "Once upon a time I was on a trip to grandma's house and my DIC showed....." Cherry picking your best lying DIC tank against Peppers life time hand calculated milage? Really?

26.4 MPG is my HAND CALCULATED 58,000 MILE ABSOLUTE MILEAGE. 58K/2.2K gallons.

5 hours ago, KARNUT said:

I enjoy reading 90 percent of your post. Some are quite humorous. A few things I know. You got a good deal on your truck used. You put a lot of money into customizing it. You used to own a corvette. We both think V6s are great engines. You expect me to believe that you would turn down the 5.3 for a few dollars more in your truck? Sorry not buying it. GM probably going to drop it. Why? Not because it’s a bad engine. The 5.3 gets damn close in mileage, the price difference is negligible.

Oh yes I do. Now your believing that or not is beyond my control. You can't wish me, embarrass me or humiliate me to some other conclusion Stan.

The 5.3 was an option in my 2009 LaCrosse. I opted for the 3800 Series III V-6. I've have never regretted it. Fact is no matter how good the 3.6 turned out to be GM dumping the 3800 was the absolute dumbest thing GM ever did. The second dumbest was not perfecting the 292 inline 6 like they did the 3800's. They are about to do the third dumbest thing in dumping the 4.3 Ecotec. It is the best of the three.

I'll tell you what would get me to buy V-8. Make me 20 again.

KARNUT · March 31, 2018

Did the search. There's lots of gas mileage threads, but very few screen shots left due to the "3rd party hosting" problems.
What truck was it on. Your sig shows a 92 chevy truck?

My 14 GMC, start another gas mileage thread. We were impressed with the gas mileage back then.

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DONWT15 · March 31, 2018

We're getting off topic here with posting another gas mileage thread. I guess what I'm trying to say is year over year that 4.3 has to get better mileage. It takes more fuel to run 8 cyl over 6. The AFM doesn't matter because both engines go into 4 cylinder mode. Step on it and the 4.3 brings back 2 cyl and the 5.3 brings back 4. Twice as many additional cylinders means twice as much additional fuel.

As a side note, the 4.3 actually makes more HP per cylinder than the 5.3

285/6 = 47.5

355/8 = 44.375

Of course the 6.2 kicks them both at 52.5

KARNUT · March 31, 2018

Oh yes I do. Now your believing that or not is beyond my control. You can't wish me, embarrass me or humiliate me to some other conclusion Stan.

The 5.3 was an option in my 2009 LaCrosse. I opted for the 3800 Series III V-6. I've have never regretted it. Fact is no matter how good the 3.6 turned out to be GM dumping the 3800 was the absolute dumbest thing GM ever did. The second dumbest was not perfecting the 292 inline 6 like they did the 3800's. They are about to do the third dumbest thing in dumping the 4.3 Ecotec. It is the best of the three.

I'll tell you what would get me to buy V-8. Make me 20 again.

Man I get it, different tastes. My trip taking - daily driver is a Camry. Just five years ago I wouldn’t be able to do it. If I didn’t have my loud, high horse power, low riding, high octane ride I’d always dreamed about when I was a kid. I’d be damn depressed if all I had was a V6 or 4 to drive. Nothing beats the sound of a V8 and Led Zeppelin playing in the background. That’s just me. Kashmir anyone?

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j-ten-ner · March 31, 2018

1 hour ago, DONWT15 said:

... Step on it and the 4.3 brings back 2 cyl and the 5.3 brings back 4. Twice as many additional cylinders means twice as much additional fuel.

As a side note, the 4.3 actually makes more HP per cylinder than the 5.3

285/6 = 47.5

355/8 = 44.375

...

And on top, in V4 mode the V6 is dragging only two cylinders along instead of 4.

so long

j-ten-ner

Donstar · March 31, 2018

1 hour ago, j-ten-ner said:

And on top, in V4 mode the V6 is dragging only two cylinders along instead of 4.

so long

j-ten-ner

And if DFM works the way I interpret, everyone will spend a lot of time dragging two cylinders along!

Imcrazy · March 31, 2018

22 hours ago, Grumpy Bear said:

If frogs had wings you could assume they wouldn't bump their a** when they jump. Debate isn't your long suit eh?

I'd be that Anyone your speaking to and calling a liar. Keep your V-8.

So 305 hp isn't enough but 20 hp more is?

"to suit me" and there you have it in a nut shell.............. ME, me, me, me, me.

Seeing as how I have sold several million dollars of product in my short career as a sales person, I'd say I'm damn good at debating... It's always clear that I have won a debate like this when the person I am debating with resorts to acting like you have in this post... I clearly am secure in my truck/motor choices - you need to defend yours and its to the point where it upsets you this much lol... If you didn't get the V6 to save money why did you get it? Because you like slower trucks ?

Donstar · April 1, 2018

18 hours ago, Imcrazy said:

If you didn't get the V6 to save money why did you get it? Because you like slower trucks ?

We all have slight or significant differing points of reference. To suggest that the V6 is slow indicates you have had far different experiences than mine. I have had the thrill of driving "slow moving" vehicles on busy highways as well as a full blown Mustang built for the strip. Nothing in my experience would lead me to say any current north american base model 1/2 tons are slow. Maybe a bone stock '48 F100 may frustrate me and have me call it slow. The GM truck V8's may be able to get to set speed faster according to a stopwatch but my truck can go just as fast as yours on public roads.