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I don't have any experience with doing an AFM "delete" via software or
hardware, but this video from a favorite YouTuber is very informative on
the subject (be forewarned, this is a potential rabbit-hole):
https://www.youtube.com/watch?v=3D3GKF2ic5iRQ
I've given serious thought to doing this to the 6.2L in my 2018 Yukon XL
Denali, but I'll definitely wait until the extended warranty expires in...
10k miles or so.
-Peter
On Wed, Feb 14, 2024 at 6:21=E2=80=AFPM John Innis <jdinnis@gmail.com> wrot=
e:
> In my experience, it is a combination of things that cause issues with th=
e
> AFM system. The first (and in my opinion most common) is not doing prope=
r
> maintenance. A conservative oil change interval with a good quality engi=
ne
> oil seems to go a long way to heading off issues with AFM on the LS
> motors. The next biggest issue in my opinion is the quality of the lifte=
rs
> that GM used from the factory. I have had several engine builders that I
> trust say that using a better quality aftermarket lifter in the AFM valve=
s
> is the best insurance you can buy on a build. Therein is the biggest iss=
ue
> with many of the DOD delete methods being offered. They frequently only
> address the ECU, taking the AFM out of the tune. This will NOT solve
> issues caused by low quality lifters failing when AFM is not activated, i=
t
> can still happen. I don't have experience with the plug in modules, so I
> can't say if they are safe or not, but like the tune, they don't address
> the potential problems in the lifters. I also don't know that much about
> what Jasper is putting in their remans, so I can't say if they are going =
to
> cause you problems or not.
>
> On Wed, Feb 14, 2024 at 3:08=E2=80=AFPM john <jniolon@att.net> wrote:
>
>> Does anyone have any experience with the GM DOD system ? Specifically
>> deleting by software or the WWW-offered module that eliminates
>> the dropping to V4 under light load.
>>
>> I lost an engine due to this problem at 130K and replaced it with a
>> Jasper crate engine that does have the DOD included.
>>
>> Need some guidance from some that have hands on experience with this.
>> Does the Module that plugs into the BOD plug actually work and is it saf=
e
>>
>> OR is a software tune required?? or must I go thru the tear down and
>> install of a delete kit
>>
>> thanks
>> john
>>
>> _______________________________________________
>>
>> Shop-talk@autox.team.net
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>>
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>>
>>
>
> --
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D Never offend people with style when you =3D
> =3D can offend with substance --- Sam Brown =3D
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> _______________________________________________
>
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.96
> Archive: http://www.team.net/pipermail/shop-talk
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<div dir=3D"ltr">I don't have any experience with doing an AFM "de=
lete" via software or hardware, but this video from a favorite YouTube=
r is very informative on the subject (be forewarned, this is a potential ra=
bbit-hole):<div><br></div><div><a href=3D"https://www.youtube.com/watch?v=
=3D3GKF2ic5iRQ">https://www.youtube.com/watch?v=3D3GKF2ic5iRQ</a><br></div>=
<div><br></div><div>I've given serious thought to doing this to the 6.2=
L in my 2018 Yukon XL Denali, but I'll definitely wait until the extend=
ed warranty expires in... 10k miles or so.</div><div><br></div><div>-Peter<=
/div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_a=
ttr">On Wed, Feb 14, 2024 at 6:21=E2=80=AFPM John Innis <<a href=3D"mail=
to:jdinnis@gmail.com">jdinnis@gmail.com</a>> wrote:<br></div><blockquote=
class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px so=
lid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">In my experience, i=
t is a combination of things that cause issues with the AFM system.=C2=A0 T=
he first (and in my opinion most common) is not doing proper maintenance.=
=C2=A0 A conservative oil change interval with a good quality engine oil se=
ems to go a long way to heading off issues with AFM on the LS motors.=C2=A0=
The next biggest issue in my opinion is the quality of the lifters that GM=
used from the factory.=C2=A0 I have had several engine builders that I tru=
st say that using a better quality aftermarket lifter in the AFM valves is =
the best insurance you can buy on a build.=C2=A0 Therein is the biggest iss=
ue with many of the DOD delete methods being offered.=C2=A0 They frequently=
only address the ECU, taking the AFM out of the tune.=C2=A0 This will NOT =
solve issues caused by low quality lifters failing when AFM is not activate=
d, it can still happen.=C2=A0 I don't have experience with the plug in =
modules, so I can't say if they are safe or not, but like the tune, the=
y don't address the potential problems in the lifters.=C2=A0 I also don=
't know that much about what Jasper is putting in their remans, so I ca=
n't say if they are going to cause you problems or not. <br></div><br><=
div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Wed, Feb=
14, 2024 at 3:08=E2=80=AFPM john <<a href=3D"mailto:jniolon@att.net"; ta=
rget=3D"_blank">jniolon@att.net</a>> wrote:<br></div><blockquote class=
=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rg=
b(204,204,204);padding-left:1ex">
<div>
<div><font face=3D"Segoe UI">Does anyone have any experience with the GM DO=
D system ?=C2=A0 Specifically deleting by software or the WWW-offered modul=
e that eliminates</font></div>
<div><font face=3D"Segoe UI">the dropping to V4 under light load.</font></d=
iv>
<div><font face=3D"Segoe UI"></font>=C2=A0</div>
<div><font face=3D"Segoe UI">I lost an engine due to this problem at 130K a=
nd replaced it with a Jasper crate engine that does have the DOD included.=
=C2=A0 </font></div>
<div><font face=3D"Segoe UI"></font>=C2=A0</div>
<div><font face=3D"Segoe UI">Need some guidance from some that have hands o=
n experience with this.=C2=A0 Does the Module that plugs into the BOD plug =
actually work and is it safe</font></div>
<div><font face=3D"Segoe UI"></font>=C2=A0</div>
<div><font face=3D"Segoe UI">OR is a software tune required?? or must I go =
thru the tear down and install of a delete kit</font></div>
<div><font face=3D"Segoe UI"></font>=C2=A0</div>
<div><font face=3D"Segoe UI">thanks</font></div>
<div><font face=3D"Segoe UI">john</font></div>
<div>=C2=A0</div></div>_______________________________________________<br>
<br>
<a href=3D"mailto:Shop-talk@autox.team.net"; target=3D"_blank">Shop-talk@aut=
ox.team.net</a><br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/shop-talk"; rel=3D"norefer=
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<br>
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am.net/mailman/options/shop-talk/jdinnis@gmail.com</a><br>
<br>
</blockquote></div><br clear=3D"all"><br><span class=3D"gmail_signature_pre=
fix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature">=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D<br>=3D Never offend people with style when you=C2=A0=C2=A0 =3D=
<br>=3D can offend with substance --- Sam Brown=C2=A0 =3D<br>=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D</div>
_______________________________________________<br>
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ox.team.net</a><br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/shop-talk"; rel=3D"norefer=
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<br>
</blockquote></div>
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