I stand corrected on the DOHC but my 2009 Chevy VVT failed at 60k miles so I am going to keep the old tech for awhile.
2014 Silverado Double Cab Opinions
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Originally Posted By: SteveSRT8
It's a pushrod motor, no DOHC. And the VVT has already been out for many years, nothing new there either.
Our service vans have had forged aluminum lower control arms since 04, and they are proven outrageously stronger than the old steel parts.
Cylinder deactivation hasn't been an issue in our fleet of Silverados and vans...
I love mds/DoD in chev/dodge V8s. No way would I buy a sixxer when a V8 can be had and cylinder deactivation. I think its absolute genius.
My hemi can get 30mpg on the highway if the winds aren't too bad.
And as far as fuel consumption is concerned it takes X hp to move the vehicle. The 8 cylinder requires less pedal than the 6 cylinder to achieve the hp required to move the vehicle. In reality if a person was able to modify their driving habits they could control the engines fuelling requirements and both the 6er and 8 would burn the same amount of fuel.
It's the drivers habits that really affect fuel consumption.
I've learned how to keep mds engaged on my charger,so it stays in 4 cylinder mode. I can get better mileage with me on the pedal than cruise gets.
Too bad there wasn't a switch to turn the cylinders on and off so the driver could have full control.
I feel like every engine should be equipped with mds.
It's a pushrod motor, no DOHC. And the VVT has already been out for many years, nothing new there either.
Our service vans have had forged aluminum lower control arms since 04, and they are proven outrageously stronger than the old steel parts.
Cylinder deactivation hasn't been an issue in our fleet of Silverados and vans...
I love mds/DoD in chev/dodge V8s. No way would I buy a sixxer when a V8 can be had and cylinder deactivation. I think its absolute genius.
My hemi can get 30mpg on the highway if the winds aren't too bad.
And as far as fuel consumption is concerned it takes X hp to move the vehicle. The 8 cylinder requires less pedal than the 6 cylinder to achieve the hp required to move the vehicle. In reality if a person was able to modify their driving habits they could control the engines fuelling requirements and both the 6er and 8 would burn the same amount of fuel.
It's the drivers habits that really affect fuel consumption.
I've learned how to keep mds engaged on my charger,so it stays in 4 cylinder mode. I can get better mileage with me on the pedal than cruise gets.
Too bad there wasn't a switch to turn the cylinders on and off so the driver could have full control.
I feel like every engine should be equipped with mds.
I drove a van home new from Ludlow Mass recently. We drove 1435 miles at an AVERAGE of 69 mph! We literally flew.
Got 16 mpg. 6.0 liter V8 extended wheelbase 3500 series van with about 8800 pounds curb weight. I could keep it in 4 cylinder mode up to 85 or so.
It's fantastic mileage for the conditions, we had storms and rain and all kinds of weather!
Got 16 mpg. 6.0 liter V8 extended wheelbase 3500 series van with about 8800 pounds curb weight. I could keep it in 4 cylinder mode up to 85 or so.
It's fantastic mileage for the conditions, we had storms and rain and all kinds of weather!
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My 2006 GMC Sierra Denali pickup has the LQ9 High Output 6.0L (345hp vs the standard 300hp) and it doesn't have cylinder deactivation but I wish it could. The same trip SteveSRT8 made getting 16mpg loaded I would get only 14-15 EMPTY. But I guess with the extra horsepower, 4.10 gears and All Wheel Drive I can't complain to badly.
Originally Posted By: GMBoy
My 2006 GMC Sierra Denali pickup has the LQ9 High Output 6.0L (345hp vs the standard 300hp) and it doesn't have cylinder deactivation but I wish it could. The same trip SteveSRT8 made getting 16mpg loaded I would get only 14-15 EMPTY. But I guess with the extra horsepower, 4.10 gears and All Wheel Drive I can't complain to badly.
Nope, you shouldn't! Anything into the mid teens with a large truck heavily loaded is great.
The VVT motor makes great power and the six speed trans means 3.42's give me a LOWER first gear than your 4.10's. I wasn't sure I would like the 6L90 trans but the heavy duty 3500 series get a radically different shift program and are actually nice to drive. Keeps the revs up nicely and doesn't just run up into top gear asap...
My 2006 GMC Sierra Denali pickup has the LQ9 High Output 6.0L (345hp vs the standard 300hp) and it doesn't have cylinder deactivation but I wish it could. The same trip SteveSRT8 made getting 16mpg loaded I would get only 14-15 EMPTY. But I guess with the extra horsepower, 4.10 gears and All Wheel Drive I can't complain to badly.
Nope, you shouldn't! Anything into the mid teens with a large truck heavily loaded is great.
The VVT motor makes great power and the six speed trans means 3.42's give me a LOWER first gear than your 4.10's. I wasn't sure I would like the 6L90 trans but the heavy duty 3500 series get a radically different shift program and are actually nice to drive. Keeps the revs up nicely and doesn't just run up into top gear asap...
Originally Posted By: SteveSRT8
Originally Posted By: GMBoy
My 2006 GMC Sierra Denali pickup has the LQ9 High Output 6.0L (345hp vs the standard 300hp) and it doesn't have cylinder deactivation but I wish it could. The same trip SteveSRT8 made getting 16mpg loaded I would get only 14-15 EMPTY. But I guess with the extra horsepower, 4.10 gears and All Wheel Drive I can't complain to badly.
Nope, you shouldn't! Anything into the mid teens with a large truck heavily loaded is great.
The VVT motor makes great power and the six speed trans means 3.42's give me a LOWER first gear than your 4.10's. I wasn't sure I would like the 6L90 trans but the heavy duty 3500 series get a radically different shift program and are actually nice to drive. Keeps the revs up nicely and doesn't just run up into top gear asap...
Thanks - I forgot you are also running a 6speed vs my 4L65e 4-speed transmission. Those extra gears make a big difference in all around driveability and mpg's.
Originally Posted By: GMBoy
My 2006 GMC Sierra Denali pickup has the LQ9 High Output 6.0L (345hp vs the standard 300hp) and it doesn't have cylinder deactivation but I wish it could. The same trip SteveSRT8 made getting 16mpg loaded I would get only 14-15 EMPTY. But I guess with the extra horsepower, 4.10 gears and All Wheel Drive I can't complain to badly.
Nope, you shouldn't! Anything into the mid teens with a large truck heavily loaded is great.
The VVT motor makes great power and the six speed trans means 3.42's give me a LOWER first gear than your 4.10's. I wasn't sure I would like the 6L90 trans but the heavy duty 3500 series get a radically different shift program and are actually nice to drive. Keeps the revs up nicely and doesn't just run up into top gear asap...
Thanks - I forgot you are also running a 6speed vs my 4L65e 4-speed transmission. Those extra gears make a big difference in all around driveability and mpg's.
I get 23mpg in the old style silverado so I guess I am just lucky. Ever time I buy a new vehicle after a major change I get burned so now I wait 5 years until they get it right. That was the point I was trying to make....
As technology marches forward, reliability marches backwards
Will be curious how the mpg's pan out. I've been driving my Tundra as slow as I can, and finally eeked out a tank at 21mpg (pretty much entirely highway at 60mph). That's probably not too bad with the rolling hills we have in central NH, 4WD and winter gas; but the most I saw this summer was 20.7 so...? I saw 16mpg this fall pulling a rinky dink popup at 70mph. Going to guess this V6 will easily beat that.
When I bought mine I really wanted a Silverado/Sierra but could bring myself to a) spend that much b) buy the 4.8 and be stuck with the 4spd or c) let alone go with the lo-po six *and* the 4spd. Will be very curious what gentle driving will do not only with the V6 but the larger 5.3. And of course how they last over time.
When I bought mine I really wanted a Silverado/Sierra but could bring myself to a) spend that much b) buy the 4.8 and be stuck with the 4spd or c) let alone go with the lo-po six *and* the 4spd. Will be very curious what gentle driving will do not only with the V6 but the larger 5.3. And of course how they last over time.
I only paid 16k for the Silverado. You can buy a Tundra for less than that???
Probably not. My point was, I was not going to spend $26k on an EC 4x4 with a 4.8, which was the min I needed (or more properly, wanted). I am leery of used silverados, seen too much rust, did not want to spend all that that time on dealer lots looking for good condition ones. Lazy I know. In the end this Tundra showed up and it was all I wanted, and at what I thought was a decent price.
The 4.3 liter V6 LV3 is a new engine announced by GM at the end of 2012. This engine skips three generations, and directly advances to the fifth-generation (the 2014 LT1) Small Block engine family, it is dubbed the EcoTec3 engine family.
Block material: cast aluminum
Cylinder head material: cast aluminum
I wonder what was skipped that the customer will have to deal with?
All aluminum block? Yeah, that will hold up in a full size truck for 200k miles. I am sure glad I bought the old Silverado !
Block material: cast aluminum
Cylinder head material: cast aluminum
I wonder what was skipped that the customer will have to deal with?
All aluminum block? Yeah, that will hold up in a full size truck for 200k miles. I am sure glad I bought the old Silverado !
Although I don't know the "3" generations it "skipped", likely they are referring to the fact that the previous 4.3L V6 was based on the original small-block Chevy engine. Since then, the V8s have progressed to the LS-series and now the LT-series.
Bottom like you have to look out for yourself and be careful. No large company GM or Ford or whoever is gonna care if you spend a ton of money on new tech that is not ready for the long haul. They will leave you high and dry in a sec. Been there...
Originally Posted By: millerbl00
The 4.3 liter V6 LV3 is a new engine announced by GM at the end of 2012. This engine skips three generations, and directly advances to the fifth-generation (the 2014 LT1) Small Block engine family, it is dubbed the EcoTec3 engine family.
Block material: cast aluminum
Cylinder head material: cast aluminum
I wonder what was skipped that the customer will have to deal with?
All aluminum block? Yeah, that will hold up in a full size truck for 200k miles. I am sure glad I bought the old Silverado !
Dude... can you let it go? We're all proud of you.
Now, can you stop running it into the ground?
The 4.3 liter V6 LV3 is a new engine announced by GM at the end of 2012. This engine skips three generations, and directly advances to the fifth-generation (the 2014 LT1) Small Block engine family, it is dubbed the EcoTec3 engine family.
Block material: cast aluminum
Cylinder head material: cast aluminum
I wonder what was skipped that the customer will have to deal with?
All aluminum block? Yeah, that will hold up in a full size truck for 200k miles. I am sure glad I bought the old Silverado !
Dude... can you let it go? We're all proud of you.
Now, can you stop running it into the ground?
Sure. But I don't want to see any posts about problems with the new Silverado in the future. Deal with it...
Then I will continue to post. Deal with it....
Originally Posted By: millerbl00
The 4.3 liter V6 LV3 is a new engine announced by GM at the end of 2012. This engine skips three generations, and directly advances to the fifth-generation (the 2014 LT1) Small Block engine family, it is dubbed the EcoTec3 engine family.
Block material: cast aluminum
Cylinder head material: cast aluminum
I wonder what was skipped that the customer will have to deal with?
All aluminum block? Yeah, that will hold up in a full size truck for 200k miles. I am sure glad I bought the old Silverado !
Originally Posted By: Green Car Congress
For 2014, all three engines for the Silverado and Sierra use lightweight aluminum blocks with cast-in iron cylinder liners.
Don't see a problem here...
The 4.3 liter V6 LV3 is a new engine announced by GM at the end of 2012. This engine skips three generations, and directly advances to the fifth-generation (the 2014 LT1) Small Block engine family, it is dubbed the EcoTec3 engine family.
Block material: cast aluminum
Cylinder head material: cast aluminum
I wonder what was skipped that the customer will have to deal with?
All aluminum block? Yeah, that will hold up in a full size truck for 200k miles. I am sure glad I bought the old Silverado !
Originally Posted By: Green Car Congress
For 2014, all three engines for the Silverado and Sierra use lightweight aluminum blocks with cast-in iron cylinder liners.
Don't see a problem here...
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