The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - SMOG LEGAL ENGINE SWAP TO LS yesterday passed!

**Steve Van Gent** · 04-11-2019, 01:00 PM

ALSO; The transmission MUST be controlled by ECU to pass smog-I.E. must be from donor and be engine/trans as a pair.

04-11-2019, 01:00 PM	#2
Steve Van Gent Senior Member Join Date: Feb 2009 Location: Redding, Ca Posts: 333	Re: SMOG LEGAL ENGINE SWAP TO LS yesterday passed! ALSO; The transmission MUST be controlled by ECU to pass smog-I.E. must be from donor and be engine/trans as a pair.