engine swap
#1
engine swap
I'm looking to swap out my 5.3L in my 2010 Avalnche with a 2008 6.0L L96 crate engine from GM part #19370449 other than doing a tune to delete VVT and AFM changing the injectors pulse width is there anything else to be concerned with beings I live in upstate NY and have emissions inspection . Any input would be appreciated I've been a tech for 30 years but never did any type of emissions related alterations in fact I was a GM tech for 14 years before relocating to my vacation home here in Upstate NY where any dealers are 1 + hours from home . Thanks
#2
Senior Member
True Car Nut
I'm looking to swap out my 5.3L in my 2010 Avalnche with a 2008 6.0L L96 crate engine from GM part #19370449 other than doing a tune to delete VVT and AFM changing the injectors pulse width is there anything else to be concerned with beings I live in upstate NY and have emissions inspection . Any input would be appreciated I've been a tech for 30 years but never did any type of emissions related alterations in fact I was a GM tech for 14 years before relocating to my vacation home here in Upstate NY where any dealers are 1 + hours from home . Thanks
- [you can't replace an engine with an engine that is an older model year than the model year of the vehicle]
- [you can't replace an engine with an engine that is a larger displacement than the engine that originally came in the vehicle]
Aside from that, you'll have to program the PCM to work with the new engine, not just a few discrete parameters.
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Soft Ride (08-30-2018)
#3
Retired
EPA ruling on engine swaps is, same year or newer, and must retain emissions for that model year. Of course, that'* EPA. CA can add rules to that if they wish.
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#4
Senior Member
True Car Nut
I just didn't know what NY follows specifically. I read about some NY ties to CA smog laws when I was looking for my dad'* car last year, but I didn't read the details.
. . . and yeah CA adds rules all the time. Part of why I moved out of that zoo.
. . . and yeah CA adds rules all the time. Part of why I moved out of that zoo.
#5
Retired
Its the same here in NY. Same model year or newer, must keep existing emissions or better.
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#6
Senior Member
True Car Nut
#7
Retired
That'* the thing. You can go bigger displacement just as long as the existing emissions is kept for the current year chassis you are building. EGR, SMOG, EVAP, CAT'* etc.
EPA understands the theory, if the bigger/newer engine is mass produced on the market, why can't I put it in my 1995 XYZ chassis.
But this doesn't mean CA or NY can't ADD to the rules. They just can't take away.
NY says, if it passes emissions on the NY OBD inspection computer(no codes and readiness monitors are online) they don't care.
Just googled and found this doc....
https://www.epa.gov/sites/production...ngswitch_0.pdf
EPA understands the theory, if the bigger/newer engine is mass produced on the market, why can't I put it in my 1995 XYZ chassis.
But this doesn't mean CA or NY can't ADD to the rules. They just can't take away.
NY says, if it passes emissions on the NY OBD inspection computer(no codes and readiness monitors are online) they don't care.
Just googled and found this doc....
For light-duty vehicles, installation of a light-duty engine into a different light-duty vehicle by any person would be considered tampering unless the resulting vehicle is identical (with regard to all emission related parts, engine design parameters, and engine calibrations)
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#8
Retired
Another way to look at it is, you can't take a 1960'* carb'd 454 big block and shove it into your 2015 Prius.
Though that would be interesting.
Though that would be interesting.
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2023 Jeep Rubicon Diesel
#9
Senior Member
True Car Nut
For light-duty vehicles, installation of a light-duty engine into a different light-duty vehicle by any person would be considered tampering unless the resulting vehicle is identical (with regard to all emission related parts, engine design parameters, and engine calibrations)
Yes. Yes it would:
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