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Having my c16 7nz04022 rebuilt any soft ware programs that I should have done at cat like fuel codes 5232 or 6999 with heavy haul program 270-7126, and does that engine have the low-nox program if so can it be replaced with pre-emmision file.I can only go with cat for mods for budget reasons! Thanks
Back to your original question I would use a pre low NoX file, probably beginning with a 177-xxxx if the ecm will accept it.
:lolly:
Wouldn't an original 7cz file be a pre low nox file if it was built around 2000-2002.
And fls/fts.
As for 800hp acerts from a dealer, all it takes is for the truck to go down at another dealer and a whole **** storm brews. I can see doing that for a local truck, but it's asking for trouble on an over the road.
Ok would like more info on doing that.Back to your original question I would use a pre low NoX file, probably beginning with a 177-xxxx if the ecm will accept it.
My opinion, load it and keep it loaded, drive it hard but not hot, shorten then first oil change interval by %30
I don't do break in oil voodoo..