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Average Joe · 03-14-2012, 12:48 AM

Cooool. Have you got any gas mileage #'s yet? A friend has a very similar 'Burb with the stock TBI 350 and is considering a ls swap. -Thanks, Brian

03-14-2012, 12:48 AM	#81
Average Joe Registered User Join Date: Feb 2009 Location: Southern Oregon Posts: 1,352	Re: My swap. 5.3 into a 1990 3/4 ton 4x4 Suburban. Cooool. Have you got any gas mileage #'s yet? A friend has a very similar 'Burb with the stock TBI 350 and is considering a ls swap. -Thanks, Brian