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Keith Seymore · 11-02-2015, 03:50 PM

It's common.

YE9 is the highest trim level, regardless of Chevy or GMC badging. It varies by plant and model year but some GMCs do show the "YE9 - Silverado" naming convention.

Also - Z88 is, in fact, the GMC nameplate conversion. What is not as widely known is that there is a Chevy RPO too: RPO X88 = Chevy nameplate.

K

11-02-2015, 03:50 PM	#5
Keith Seymore Registered User Join Date: May 2009 Location: Motor City Posts: 9,285	Re: SPID ERRORS, does it happen? It's common. YE9 is the highest trim level, regardless of Chevy or GMC badging. It varies by plant and model year but some GMCs do show the "YE9 - Silverado" naming convention. Also - Z88 is, in fact, the GMC nameplate conversion. What is not as widely known is that there is a Chevy RPO too: RPO X88 = Chevy nameplate. K __________________ Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ Last edited by Keith Seymore; 11-03-2015 at 01:05 PM.