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 > What is a 6.0L Chevy engine

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opnspaces

San Diego Ca

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Posted: 11/05/19 04:17pm Link  |  Quote  |  Print  |  Notify Moderator

I need to buy a new Suburban as my current one has a bad transmission.
When I look at the early 2000's Suburbans they often list a 6.0lL engine. I'm not familiar with a 6.0, is it basically the equivalent of a 350 (5.7L) of old? Is it a good engine or is it something to steer clear of like the Fords of that era that spit out spark plugs?

While I have been trying to hold out for an 8L I'm not having much luck and I've had my current 350 powered Suburban for 14 years and it pulls my trailer fine.
Any thoughts?


1996 Suburban 4x4. 350, 4.10 3/4 ton
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jerem0621

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Posted: 11/05/19 05:11pm Link  |  Quote  |  Print  |  Notify Moderator

The 6.0l is a LS based V8 that was available in 2500 series and up trucks and in some limited capacities in the 1500 series trucks.

For a Suburban 2500 in the early 2000’s it is the base motor. Later examples 07-13 (ish I think) it was the only offering.

You could get a 6.0 in a Yukon Denali or a Cadillac Escalade in the early 2000’s as well.

It’s a tough motor and reliable as an anvil. It is head and shoulders better than a 350 small block. Great motors.

While the pesky spark plug spitting issue in the Fords was a bit overblown...I would say that the 6.0 is as reliable if not slightly more reliable than the 2v Ford Modular motors.

Thanks!

Jeremiah


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GeoBoy

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Posted: 11/05/19 05:40pm Link  |  Quote  |  Print  |  Notify Moderator

jerem0621 wrote:

The 6.0l is a LS based V8 that was available in 2500 series and up trucks and in some limited capacities in the 1500 series trucks.

For a Suburban 2500 in the early 2000’s it is the base motor. Later examples 07-13 (ish I think) it was the only offering.

You could get a 6.0 in a Yukon Denali or a Cadillac Escalade in the early 2000’s as well.

It’s a tough motor and reliable as an anvil. It is head and shoulders better than a 350 small block. Great motors.

While the pesky spark plug spitting issue in the Fords was a bit overblown...I would say that the 6.0 is as reliable if not slightly more reliable than the 2v Ford Modular motors.

Thanks!


Jeremiah

X2. Great motor.

rwess

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Posted: 11/05/19 05:45pm Link  |  Quote  |  Print  |  Notify Moderator

The 5.3 came out as the 350/5.7 replacement. The 6.0 was their big motor for the HD's, 1500HD, 2500HD, 3500HD. Then in the early 2000's GM came out with the 8.1 for the HD's. I am not sure but somewhere in the mid 2000's GM dropped the 8.1 to meet EPA emission standards fleet wide. The 6.0 became the only gas engine available for the HD's. It is a great motor, not a big block, but it is a workhorse and very reliable. I have had a 2003 1500HD with the 6.0 and 4 speed transmission and a 2010 2500HD with the 6.0 and a 6 speed transmission. Both have been extremely reliable. With what I have towed I wanted a 1500/2500HD, but I did not need the diesel. The 6.0 does have its limitations depending on what you tow, but it is a very reliable engine. It does love to drink gas!
My brother in law still has a 2002 2500 Suburban with the 8.1 that he bought new to tow his Airstream. I once met a man at a gas station who had a 2500HD pickup with the 8.1 and an Allison transmission, he said he was never going to sell it. You could not get the Allison transmission in the Suburban, supposedly it would not fit.


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opnspaces

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Posted: 11/05/19 06:01pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks That sets my mind at ease a bit.

ksss

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Posted: 11/05/19 06:40pm Link  |  Quote  |  Print  |  Notify Moderator

I would go so far as say, it is one of the most durable gas engines ever put into production (I cant think of a gas engine that has logged more miles with a better reputation). I believe it was put into production in 1999, and has been used as mentioned above, in a large and diverse number of vehicles ever since. No one will call them thrifty on fuel, but they can pull. Its not at all like driving the GM 6.2 They seem kinda slow driving around town, but when they are loaded they pull at practially the same rate as if they were empty. So its a different kind of power, not at all snappy but powerful all the same. When tied to a 6 speed they are even better than with the 4 speed.


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APT

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Posted: 11/05/19 06:45pm Link  |  Quote  |  Print  |  Notify Moderator

search for number of GM 2500 pickups with over 300k miles. I expect you'll find a lot. Good reliable motor. Compared to your 5.7L, a little less torque (perceived) at 2500rpm, but will pull harder over 4000rpm. Love mine.

I highly recommend finding an 8.1L in that vintage of Suburban (or Yukon XL).


A & A parents of DD 2005, DS1 2007, DS2 2009
2011 Suburban 2500 6.0L 3.73 pulling 2011 Heartland North Trail 28BRS
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Grit dog

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Posted: 11/05/19 10:35pm Link  |  Quote  |  Print  |  Notify Moderator

No need for a 8.1 if an old 350 does the trick now. 6.0 will out pull it all day.
Yes very bulletproof IMO. Didn't have a lot of experience with them until recently but we have a bunch of old 3-4 tons construction trucks with them and the engines are about the only thing that don't need work.
Never actually owned a LS motor until a few weeks ago, bought a 2001 Tahoe 5.3. Great, simple, quiet, well laid out, relatively powerful engine.
I'm not a fan of newer 6.0s for their power compared to Ford 6.2 or 6.4 Hemis but they work. All day every day.


"Yes Sir, Oct 10 1888, Those poor school children froze to death in their tracks. They did not even find them until Spring. Especially hard hit were the ones who had to trek uphill to school both ways, with no shoes." -Bert A.

fitznj

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Posted: 11/06/19 04:54am Link  |  Quote  |  Print  |  Notify Moderator

I had the 6.0L in my 3500 Van. This engine and the transmission were bulletproof; I never had a single issue with either (or the rest of the van)
in close to 90,000 miles of towing.

I only sold it because I was bored with it and wanted something newer !!


Gerry

wowens79

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Posted: 11/06/19 05:00am Link  |  Quote  |  Print  |  Notify Moderator

I've got a 2002 with 235,000 miles with the 6.0. Never any issues with the engine, or the tranny. I've only had expected wear items, and a few oil leaks. They make their power at high RPMs, so don't worry about turning 4K RPMs, that's where they make their power.


2002 Chevy Silverado 1500HD 6.0l 213k miles and climbing
2016 Heritage Glen 29BH
2003 Flagstaff 228D Pop Up

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