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How is the project? Did you get it all finished or still a work in progress? I just bought a 454 4L80 out of a '95 burb I plan on putting in my '97 Tahoe. I just need to figure out everything I can before starting Especially since the engine is OBD1 and my Tahoe is OBD2

I have a '97 Tahoe I'm looking to swap the 350 out with a 454 out of a '95. I know it's possible but my biggest concern is the 454 being obd1 and my Tahoe being obd2. Any help would be greatly appreciated. Thanks in advance.