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Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: CT8] #4760849 05/18/18 09:43 AM
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Zee09 Offline
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Originally Posted By: CT8
If the engine performance is anything like Fords 2.7 ecoboost it will be a nice engine .


I was thinking exactly the same thing.


"If I walked on water, they'd say I couldn't swim."
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4760852 05/18/18 09:46 AM
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MNgopher Offline
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Hmmmm... After all these years of belittling Ford for using turbocharged V6's in their trucks, GM will be the first with a 4 cylinder...

HP wise it is comparable to the Ford 2.7 (310 hp vs 325 hp for the Ford), but the torque is lower (348 ft-lbs versus 400 ft-lbs for the F150). It will be interesting to see if that difference is perceptible.

I'm sure it drives just fine with the torque coming on quickly and staying on...

I know I am pleased with the 2.7 in my F150 - I'd buy another one in a heartbeat...

Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: skyactiv] #4760853 05/18/18 09:47 AM
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A_Harman Offline
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Originally Posted By: skyactiv
Turbos are stupid easy, cheap and effective to add power to by playing with the engine tuning software. Expect people to mod these when the aftermaket come up with something.


People can also void their warranties stupidly, easily, cheaply, and effectively. If I owned one, I wouldn't touch the boost setting, or anything in the tuning, for that matter. Think about all the features that are in this engine: electronically controlled wastegate, dual independent cam phasers, 3-way axially switching cams, active coolant flow control valve, and electric water pump. I pity the calibration engineer (or engineering team) at GM that had to make it all work. There are just too many inter-related systems on this engine that have to be actively controlled in real time to trust aftermarket tuners. They'll be years figuring out how it works, and I bet that even GM doesn't have all the bugs worked out. Expect a lot of software updates in the early months and years of production.

I wonder what made GM develop a new big 4-cylinder instead of just adding two cylinders to the proven LTG 2.0L. Maybe they think the 4 will make better fuel economy or the lower parts count makes it cheaper to manufacture, but the bigger cylinders make it harder to control combustion. Don't we already obsess enough here about LSPI? And here's a new engine that can make max boost at 1500 rpm while powering a 3 ton truck.

Last edited by A_Harman; 05/18/18 09:54 AM.

2008 Dodge Ram 3500 diesel/G56
1985 Z51 Corvette track car 355/6-speed
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel/NV4500+GV
1972 GMC 1500 shortbed project truck 307/SM465
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4761066 05/18/18 12:36 PM
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AZjeff Offline
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Better numbers than the current 4.3 V6 at 285 hp and 305 lb/ft. and that article says it's a replacement for the base engine so not a concern for most buyers but will be interesting to see how it does getting hammered in a work truck. Perfectly happy with the 4.3 in my Silverado after a year.



14 RAV4 2.5 5W-20 PP
18 Nissan Titan 5.6 DI, 0W-20 QSUD

The most important thing to do in your life is to not interfere with someone else's life. - Frank Zappa

Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4761117 05/18/18 01:31 PM
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Rat407 Offline OP
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Yeah, this reminded me of the old Quad 4, but that only had 150hp and 155lbft of torque.


2002 Silverado 5.3 0w-20 AMSOIL
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4761165 05/18/18 02:51 PM
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Zee09 Offline
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Originally Posted By: Rat407
Yeah, this reminded me of the old Quad 4, but that only had 150hp and 155lbft of torque.


That was a disaster wasn't it?


"If I walked on water, they'd say I couldn't swim."
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: MNgopher] #4761171 05/18/18 03:01 PM
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CT8 Offline
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Originally Posted By: MNgopher
Hmmmm... After all these years of belittling Ford for using turbocharged V6's in their trucks, GM will be the first with a 4 cylinder...

HP wise it is comparable to the Ford 2.7 (310 hp vs 325 hp for the Ford), but the torque is lower (348 ft-lbs versus 400 ft-lbs for the F150). It will be interesting to see if that difference is perceptible.

I'm sure it drives just fine with the torque coming on quickly and staying on...

I know I am pleased with the 2.7 in my F150 - I'd buy another one in a heartbeat...

Lets never forget the turbo Corvair !


2015 F150 2.7
2018 F350 6.2
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4761180 05/18/18 03:10 PM
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artificialist Offline
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Originally Posted By: Rat407
Man this thing is going to be interesting on how it performs and handles oil. smile

Not sure what is up with the chain drive at the rear of the engine. Looks like it drives the oil pump. To me just another item to wear out and have to pull the tranny to replace. I wonder what the sump capacity will be and what size spin on filter it will take.

So much for aftermarket headers and bigger turbos with the integrated exhaust manifold.

New 2.7L turbo 4 cylinder in the 2019 Silverado

Does the integrated exhaust manifold include the turbine housing? I'm fairly certain it doesn't, and with some creative machining, you can fit a larger turbo.


2010 Lancer Ralliart Sportback
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4761198 05/18/18 03:26 PM
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GoobSoCold Offline
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The thing that puzzles me is this: GM and Ford worked together on the 10 speed automatic. Ford uses it in almost all the F150's. GM is using 6, 8 and 10 speeds. Only the top of the line 6.2 comes with the 10 speed. Wouldn't it simplify production and help MPG to use the 10 speed in all Silverado models?

Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: artificialist] #4761252 05/18/18 04:35 PM
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A_Harman Offline
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Originally Posted By: artificialist
Originally Posted By: Rat407
Man this thing is going to be interesting on how it performs and handles oil. smile

Not sure what is up with the chain drive at the rear of the engine. Looks like it drives the oil pump. To me just another item to wear out and have to pull the tranny to replace. I wonder what the sump capacity will be and what size spin on filter it will take.

So much for aftermarket headers and bigger turbos with the integrated exhaust manifold.

New 2.7L turbo 4 cylinder in the 2019 Silverado

Does the integrated exhaust manifold include the turbine housing? I'm fairly certain it doesn't, and with some creative machining, you can fit a larger turbo.


No, the turbine housing is part of the turbo, but it is a unique design that has twin volutes that are separate all the way until they feed the wheel 180 degrees apart.

Last edited by A_Harman; 05/18/18 04:36 PM.

2008 Dodge Ram 3500 diesel/G56
1985 Z51 Corvette track car 355/6-speed
2002 Camaro Z28 LS1/6-speed
2001 Dodge Ram 2500 diesel/NV4500+GV
1972 GMC 1500 shortbed project truck 307/SM465
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4761286 05/18/18 05:19 PM
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Warlord Offline
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I wonder if this will be a 100k mile motor like the ecoboosts? Seems like its getting harder and harder to find a vehicle designed with the long term owner in mind.


07 GMC Canyon - 245000 km
08 Honda CRF230L - 5000 km
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4761414 05/18/18 07:59 PM
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nthach Offline
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The displacement of that engine is very reminiscent of the Porsche 944's 3.0L I4 - a oversquare engine that was a torque monster. That new GM turbo I4 is a very torque dense motor.

OT, but city buses were powered by Detroit Diesel Series 50 engines, basically a Series 60 with 2 cylinders lopped off. It was a 8.5L I4 that didn't have as much horsepower as a Cummins B/C engine, but it had a torque advantage.

Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4761415 05/18/18 07:59 PM
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addyguy Offline
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Wonder what it specs for oil?

0W-20 for max FE; or slightly thicker 5W-30 to help the DI/turbo combo survive?


2010 Kia Soul 2U - 2.0L I-4, auto; 152k miles.
Castrol Edge (black bottle) 5W-30; Fram TG 9688.

2009 Pontiac G5 - 2.2 I-4, auto, 121k miles.
Oil/filter TBD
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: Rat407] #4761505 05/18/18 10:20 PM
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dareo Offline
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4 big cylinders is cheaper to build than a v6. I would hope gm has this thing fully forged and bullet proof. Or else they will never live it down. Compare to my golf. 1.8 with 180ish 3000lb vs 2.7 with 300ish hp 4500lb and it seems like plenty of power to weight. That exhaust and cylinder head design is awesome. I still dont know id pass up the v8 though.


2018 Regal TourX, 2016 Golf Wagon 5MT, 2016 GMC 1500 SLT 6.2
Re: 2019 Silverado new engine 2.7l turbo 4 cylinder [Re: beanoil] #4761573 05/19/18 01:32 AM
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Garak Offline
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Originally Posted By: beanoil
There is no replacement for displacement.
A turbo 4 in a full size truck.

Normally, I'd agree, but there are more than enough people driving trucks who are driving trucks that are always empty and never towing. wink


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, Wix 57356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
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