Does the 6.2L have AFM?

[Paul dee]

You can tell for sure with any LS engine by looking at the valley pan. If you see the network of passageway castings then the engine has AFM.

I just did a cam swap with AFM and VVT delete to get rid of mine permanently.

Cheers,
Dave


Sent from my iPhone using Tapatalk

What cam package did you use

 

[petethepug]

Tahoe 08 6.2L L92 AFM - No
Tahoe 09 6.2L L9H AFM - No

Yukon 07-08 6.2L L92 AFM -No
Yukon 09 6.2L L9H AFM - No
Yukon 10-14 6.2L L94 AFM - Y

Esky 07-08 6.2L L92 AFM -No
Esky 09 6.2L L9H AFM - No
Esky 10-14 6.2L L94 AFM - Y

Interesting… later discovered the Silverado & Sierra Pickup 6.2L up to ‘13 have no AFM …

07-08 6.2L L92 AFM - No
09-13 6.2L L9H AFM - No

* rare exception is the very early 07 Esky & Yukon 6.2L L92 has AFM hardware, but it’s not active. Pick ups have different criteria, otherwise AFM was installed and active in the above 6.2L starting 2010 MY.

That info is correct for the GM trucks.

The rest of the post is out of quotes for ez reading …

“For some weird reason they detuned the 07 & 08 Denali and the 08 Tahoe to 380 hp. In 09 they let the cat out of the bag. GM matched the 07 & 08 Esky’s 403 hp to all other 6.2L motors.

Unfortunately. they clipped the wings on Tahoe’s 6.2L L9H after 09. In 2010 Tahoe was back to the 5.3L only. GM kept the 6.2L L9H in the Silverado & Sierra trucks til 2013. It was shelved after that and got the AFM 6.2L L94 that the Yukon Denali and Escalade shared starting in 2010.

For some reason some of the above reference links show the 1500 Yukon XL had a L9H 6.2L as a Non-Denali option til 2013. All sales brochures only show the L94 available in the Denali. Esky & Denali did get a 2WD option starting in 09 though. They may have been confused that the Sierra Pick up came in a Denali trim like the YXL Denali.”

 

[Geotrash]

What cam package did you use

I went with a Cam Motion Stage 2 truck cam, 'high lift' version.

 

[swathdiver]

Tahoe 08 6.2L L92 AFM - No
Tahoe 09 6.2L L9H AFM - No

Yukon 07-08 6.2L L92 AFM -No
Yukon 09 6.2L L9H AFM - No
Yukon 10-14 6.2L L96 AFM - Y

Esky 07-08 6.2L L92 AFM -No
Esky 09 6.2L L9H AFM - No
Esky 10-14 6.2L L96 AFM - Y

* rare exception is the very early 07 Esky & Yukon 6.2L L92 has AFM hardware, but it’s not active. Pick ups have different criteria, otherwise AFM was installed and active in the above 6.2L starting 2010 MY.



The rest of the post is out of quotes for ez reading …

“For some weird reason they detuned the 07 & 08 Denali and the 08 Tahoe to 380 hp. In 09 they let the cat out of the bag. GM matched the 07 & 08 Esky’s 403 hp to all other 6.2L motors.

Unfortunately. they clipped the wings on Tahoe’s 6.2L L9H after 09. In 2010 Tahoe was back to the 5.3L only. GM kept the 6.2L L9H in the Silverado & Sierra trucks til 2013. It was shelved after that and got the AFM 6.2L L96 that the Yukon Denali and Escalade shared starting in 2010.

For some reason some of the above reference links show the 1500 Yukon XL had a L9H 6.2L as a Non-Denali option til 2013. All sales brochures only show the L96 available in the Denali. Esky & Denali did get a 2WD option starting in 09 though. They may have been confused that the Sierra Pick up came in a Denali trim like the YXL Denali.”

Change L96 to L94 and you're accurate!

 

[donjetman]

Here a guide for all LS engines:

https://www.onallcylinders.com/2019...de-to-ls-engine-specs-and-ls-engine-upgrades/

 

[intheburbs]

L9H has AFM hardware, but not active.

 

[swathdiver]

L9H has AFM hardware, but not active.

I think you mean the earliest L92s made before April 2005. Neither of my L9Hs has AFM hardware.

 

[intheburbs]

I think you mean the earliest L92s made before April 2005. Neither of my L9Hs has AFM hardware.

You are correct, my bad. Was posting on another board and got my facts backwards. Going to pour another cup of coffee....

 

[petethepug]

Thanks for the clarification on the mix up in the L96/L94 motors. Updated the previous post to reflect it. I had engine swaps on my mind