Re: GM Performance Parts Reveals Crate Engines up to 550hp, Smog Legal for Any Car!
Smog laws where I live are pretty lax - even in metro Atlanta, if you can pass a sniffer test and have a catalytic converter shaped object in the tailpipe somewhere, you can get a '95 or earlier car to pass.
But let's suppose I am happen to be building a '95 Miata with an LS3 swap, to go with one of the later cars that I think this swap would make sense for. And suppose I was moving to California and wanted to make this legal for CARB. If I found a wrecked C6 Corvette and swapped the engine, ECU, and all into the Miata, it would be smog legal; a later passenger car engine in an earlier car pretty much always is. If I went and ordered the same parts from the Chevy parts counter, it's pretty much the same thing as far as the law is concerned, right? So what would the advantage of this crate motor be? Price, ease of installation, or what?
I'd imagine as a production engine, it may not have even needed any extra certification unless some components are different from what was included in production cars.
Originally posted by TheSilverBuick
But let's suppose I am happen to be building a '95 Miata with an LS3 swap, to go with one of the later cars that I think this swap would make sense for. And suppose I was moving to California and wanted to make this legal for CARB. If I found a wrecked C6 Corvette and swapped the engine, ECU, and all into the Miata, it would be smog legal; a later passenger car engine in an earlier car pretty much always is. If I went and ordered the same parts from the Chevy parts counter, it's pretty much the same thing as far as the law is concerned, right? So what would the advantage of this crate motor be? Price, ease of installation, or what?
I'd imagine as a production engine, it may not have even needed any extra certification unless some components are different from what was included in production cars.
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