Chevy and GMC Duramax Diesel Forum - Reply to Topic
07.5-10 LMM Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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  Topic Review (Newest First)
11-23-2019 05:07 PM
D_R_C
Quote:
Originally Posted by jokes54321 View Post
I'm in Mesa, AZ.

The results are in and the truck passed emissions, .07 opacity. The loss of performance sure was noticeable and it didn't throw any check engine lights, so I guess I'm good until I move.

Thank you everyone,

Denny

Good to hear you gotsíer passed.
Just keep the parts incase you ever need to put it back to stock for emissions law changes or selling it.

Curious did you connect all sensors on the DPF and leave your delete tune in ?
11-22-2019 03:11 PM
Dean E
Quote:
Originally Posted by jokes54321 View Post
I did consider registering there, but I guess Missouri requires the emissions system to be checked when transferring an out of state vehicle in, so I figure I'm screwed either way.

I wonder if the truck would run okay, without throwing a check engine light, if I just installed the CAT and DPF and ran to emissions really fast, then remove it until I move and have to go through the Missouri inspection. Emissions is only 5 minutes from my house.

Any thoughts?
Missouri only requires a safety inspection if you are outside the greater STL area. You can Google what counties around the STL area require emissions. The safety check will look to see if the EGR and cat are in place. The inspections makes no mention of the DPF. FYI, Dean
11-22-2019 02:35 PM
jokes54321 I'm in Mesa, AZ.

The results are in and the truck passed emissions, .07 opacity. The loss of performance sure was noticeable and it didn't throw any check engine lights, so I guess I'm good until I move.

Thank you everyone,

Denny
11-22-2019 07:03 AM
knotReally
Quote:
Originally Posted by Hook'em_Horns! View Post
Take advantage of the yearly rebates offered and stick with the 1300, instead of the more costly brands.
Or whenever walmart clearances any of their oils
I hope it doesnt go bad. I'll have that fourth bottle for at least 5 years. Eh, same price as bar oil so i guess ive got a plan b
11-21-2019 11:20 PM
D_R_C Hopefully you have a scanner to clear codes if needed, it wonít pass if you have any trouble codes.
What part of Phx are you located ?
11-21-2019 08:45 PM
jokes54321 Thanks for the quick reply. I suppose it's only a few hours work. If it's not raining in the morning I'll throw the parts on and make the trip to emissions and let everyone know.

Denny
11-21-2019 08:36 PM
D_R_C Cat won’t cause a problem, in fact you wouldn’t notice any power, egt, boost differences with or without the cat.
What you will notice is the exhaust isn’t as stinky, that’s the emissions part with no sensors.
As far as the DPF being put back on and still tuned
11-21-2019 08:30 PM
jokes54321 I did consider registering there, but I guess Missouri requires the emissions system to be checked when transferring an out of state vehicle in, so I figure I'm screwed either way.

I wonder if the truck would run okay, without throwing a check engine light, if I just installed the CAT and DPF and ran to emissions really fast, then remove it until I move and have to go through the Missouri inspection. Emissions is only 5 minutes from my house.

Any thoughts?
11-21-2019 04:43 PM
Hook'em_Horns! 0% on the LMM is 'bout 5k miles.
0% on the LBZ is right at 10k miles, and it tows more intervals and at higher weights when it does (a.k.a.- Used more)
11-21-2019 04:31 PM
Busa Dave ^^^^^^^^^^^^^^^^ Yes I just change it with Amsoil 5-40 when it is time per the DIC. Costs a little more but I do not care.
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