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6.2L (L9H) Owners - Get all your questions answered here

RyanbabZ71
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ChevyTech77 Senior Enthusiast

ChevyTech77

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Eat your heart out EB fans. This is no b.s. and no I was not drafting a semi, going downhill or gettting pushed by a good tailwind.

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DanMan_S
DanMan_S

This is a video showing how the 6.2L sounds with headers and a corsa catback. The crew cab is my 6.2L, the 2005 extended cab is a 5.3L with a magnaflow muffler welded in.    

gonzoid
gonzoid

finished product  

2010LTZ4x4
2010LTZ4x4

Where did you get the 6.2L badge in you avatar?  Heres the info for the 6.2L badge Top Flight Reproductions is proud to announce the addition of the 6.2L emblem to our emblem product line. This embl

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RyanbabZ71 Senior Enthusiast

RyanbabZ71

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Not bad!

 

I can't drive normal so I only see 11-12 :lol (E85 powered)

 

 

Ryan

 

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ChevyTech77 Senior Enthusiast

ChevyTech77

Posted
Posted (edited)

This average calculation was started with the truck still running ethanol on the trip up (100 miles one way and I went up and back the same day) so it still had 3-4 gallons of ethanol in the tank when I filled it back up with premium fuel for the ride back home.

Edited by ChevyTech77
Z45 Senior Enthusiast

Z45

Posted
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2012 AWD Sierra Denali 2,300 miles since new (3/27/12) and average mpg is 17.8. One 500 mile and 2-200 mile trips, 55-65 mph 2-lane, no hot-rodding, use cruise all the time, Shell premium 91 octane primarely but a tank or two of Murphy 93 (WM) mixed in, no E85 around here. No mods planned except all AMSOIL 100% synthetic fluids going in before 5,000 miles. That raised my awd CTS4 mpg nearly 1 mpg.

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'01LS1 Senior Enthusiast

'01LS1

Posted
Posted

Eat your heart out EB fans. This is no b.s. and no I was not drafting a semi, going downhill or gettting pushed by a good tailwind.

 

 

Good to see that! Just called on a 2010 GMC with a 6.2 & asked the salesman to tell me what the avg mpg was... 13.2 with 53,000 miles on it. Hope the guy had a lead foot because I am still going to go check it out.

RyanbabZ71 Senior Enthusiast

RyanbabZ71

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You know the avg mpg setting can be changed right? I reset mine at each fillup

 

 

Ryan

 

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'01LS1 Senior Enthusiast

'01LS1

Posted
Posted

You know the avg mpg setting can be changed right? I reset mine at each fillup

 

 

Ryan

 

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Did not know that. Have always just left one main one alone. But that was in a 2007 LBZ Dually. Thanks

ChevyTech77 Senior Enthusiast

ChevyTech77

Posted
Posted

Eat your heart out EB fans. This is no b.s. and no I was not drafting a semi, going downhill or gettting pushed by a good tailwind.

 

 

Good to see that! Just called on a 2010 GMC with a 6.2 & asked the salesman to tell me what the avg mpg was... 13.2 with 53,000 miles on it. Hope the guy had a lead foot because I am still going to go check it out.

 

Mine probably averages that as well but I only have a 2 mile drive to work and I'm usually running ethanol these days.

 

Don't buy it for the fuel mileage. My post was just to prove that a similarly equipped EB F-150 DOES NOT get a ton better mileage than a 6.2l GM. ESPECIALLY when they are towing a load then the GM 6.2l kills it.

David_L6 Enthusiast

David_L6

Posted
Posted

You know the avg mpg setting can be changed right? I reset mine at each fillup

 

 

Ryan

 

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Does that also apply to a 2008 Silverado? If that can be reset I didn't know it and don't know how. My truck was showing 17.6 yesterday when I sold it to my son.

David_L6 Enthusiast

David_L6

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Not many options other than the Max Trailering Pack.

 

The most important one. looks good :thumbs:

 

 

You got that right!

 

The main reason I wanted a new truck was to get a crew cab. My old truck was an extended cab. Also, the 6.2 with the Max Trailering Pack should make pulling my 7' X 16' enclosed trailer a breeze.

RyanbabZ71 Senior Enthusiast

RyanbabZ71

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  • Author
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You know the avg mpg setting can be changed right? I reset mine at each fillup

 

 

Ryan

 

Sent from my iPhone using Tapatalk

 

 

Does that also apply to a 2008 Silverado? If that can be reset I didn't know it and don't know how. My truck was showing 17.6 yesterday when I sold it to my son.

 

Should be I could in my 08 Tahoe

 

When you hit the mpg screen press and hold the checkmark button

 

 

Ryan

 

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Z45 Senior Enthusiast

Z45

Posted
Posted (edited)

I never reset it in any of my vehicles, the aveage mpg is the only thing of importance to me. My last truck was a 2010 Sierra All Terrain 5.3L E cab and in the 24,000 miles the aveage readout was 17.7 but I also drove almost 1/2 of those miles in winter using AUTO 4x4 mode all the time. The All Terrain pkg rode too rough for my taste.

 

I too never bought it for mileage, needed a CC for business and wanted a top line truck w/o AFM.

Edited by elcamino
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RyanbabZ71 Senior Enthusiast

RyanbabZ71

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If you collect your gas receipt/milage data you can calculate it

 

If you continually reset it you can catch possible issues quick (drastic drops in mpg that would go unnoticed if you didn't reset)

 

To each their own

 

 

Ryan

 

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DonnyStevens Enthusiast

DonnyStevens

Posted
Posted

Just ordered my Auto-Cal from BB. Anticipation is killing me, just like all of you. Any tips from you guys with an Auto-Cal on my next steps when I finally get it? I thought I should receive an e-mail from BB but still waiting. I know they are really busy and a small operation respectively so I guess I will just wait patiently :tumbleweed:

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