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If California it is smog legal to swap in a newer engine. However, you'll need to go to a handful of state inspection places where they will check to make sure you swapped _everything_ to the newer setup. The inpector will check part numbers, computer chip IDs, and all sorts of stuff. It may take you several visits to pass. At that point you'll get a sticker to put under the hood. This tells smog inspection places that your engine swap has been approved.
Originally posted by ludis If California it is smog legal to swap in a newer engine. However, you'll need to go to a handful of state inspection places where they will check to make sure you swapped _everything_ to the newer setup. The inpector will check part numbers, computer chip IDs, and all sorts of stuff. It may take you several visits to pass. At that point you'll get a sticker to put under the hood. This tells smog inspection places that your engine swap has been approved.
You'd think they'd just compare your emissions results against those required for your model/year auto, and if you modified it so that it is an improvement, they'd give you a cookie, say good job, and send you in your way.
It's that legalistic mentality, trying to control all the miniscule details of every persons life from the top down that runs the states finances into a hole (and stops far short of acheiving their goals). To innovate these days, you have to be an inventor plus a lawyer, plus an accountant.
The problem is that a regular smog test isn't anywhere near as comprehensive as the tests that the OEMs are subject to. I'm sure if you paid for an OEM style test, that you could do just about anything. Your vehicle would need to be a valuable Ferrari or something to make it worthwhile.
I've heard that if you show up with just about everything hooked up, they'll let some little details slide. If you keep returning with missing smog stuff, they'll be sticklers for detail. Also, if you put a much cleaner engine in an older vehicle, they won't inspect it very closely.
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