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**N2TRUX** · 05-01-2016, 05:46 PM

Under the hood the original 305 got a boost in performance with a mild cam and headers. A basic dress up kit was added, and most of the unnecessary restrictive items were removed.

05-01-2016, 05:46 PM	#8
N2TRUX Happy to be here Join Date: Mar 2000 Location: Cypress, TX Posts: 39,021	Re: 85 GMC Sierra Under the hood the original 305 got a boost in performance with a mild cam and headers. A basic dress up kit was added, and most of the unnecessary restrictive items were removed. Attached Images __________________ Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra"