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

**kwmech** · 02-29-2020, 05:43 PM

This is why I will not put an Ls in my '91 suburban. I'll go 383 or 400. They have no idea what's under the valve covers. As long as it passes visual and emissions I'm golden

02-29-2020, 05:43 PM	#40
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,388	Re: SMOG LEGAL ENGINE SWAP TO LS yesterday passed! This is why I will not put an Ls in my '91 suburban. I'll go 383 or 400. They have no idea what's under the valve covers. As long as it passes visual and emissions I'm golden