Pontiac GTO Forum - View Single Post - Engine Mystery
Thread: Engine Mystery
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post #3 of (permalink) Old 11-28-2016, 09:26 PM Thread Starter
Join Date: Nov 2015
Location: The Gorge Washington
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Pinion Head, I found the 2 letters on the front of the block, they were YS. I found the PHS papers, don't see anything special about the engine. Notable on the PHS. Front disc brakes, air conditioning, safe-t-track, deck lid, tach, turbo/hyd, power locks and windows.
Thanks for your feedback
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