The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Real World info needed! Suburban/Yukon Delanli XL??

grayharville · 04-18-2012, 05:14 PM

My bro in law has an 08 sierra denali with a 6.2 and he has always had to run 93 octane
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04-18-2012, 05:14 PM	#11
grayharville ^^who I am^^ what I say> Join Date: Jun 2009 Location: Murchison, Tx Posts: 992	Re: Real World info needed! Suburban/Yukon Delanli XL?? My bro in law has an 08 sierra denali with a 6.2 and he has always had to run 93 octane Posted via Mobile Device __________________ 70 chevy LWB 350/TH350 Barn find (AKA the 70) http://www.67-72chevytrucks.com/vboa...d.php?t=406364 East Tx Squares