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Registered
Join Date: Jan 2003
Location: Burlington, Wisconsin
Posts: 10,164
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well in the 80's for the us spec sc's they used higher compression and smaller ports for lower end tQ so I have been told along with meeting emmsions and the galvinzing (full body) started in 77 I believe. I use small port sc heads on my engine check out my build in my sig
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Ben
89 944,85.5 944
914-6 2.4s GT tribute.
914-6werkshop.com
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