RT3 4.6 ltr modular hotrod engine o2 sensors?

[twobjshelbys]

Originally Posted by eschaider

If you have emissions requirements in Australia, and we know you do, the government will require service parts availability to return emission systems to statutory compliance when they fail. The dealership will carry these because of compliance. Autoparts stores — same story.

I think you may be missing part of the recipe. This is a crate engine... The OP doesn't state the origin of the engine and if it is Australian federalized. The O2 sensors on this engine might deviate from a stock 4.6 in either AU or the US.