Steve mentioned your valve seals, but no information from you on the seals. I'm curious. I had oil on some of my valves that I noticed when changing the intake. Turns out my Viton seals had moved off the valve guides. You can shine a light in through the springs to see if they have come of the guides.
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68 Firebird. IA2 block, 505 cu in, E-head, Solid roller 3650 weight. Reid TH400 4:11 gear. 29" slick.
Best so far 10.12@133 mph. 1.43 60 ft.
76 Trans am, TKX .81 o/d, 3.73 Moser rearend,
468 with KRE D-ports, Doug headers, 3" Exh.
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