Aren't there a few bolts on the head that are hiding from you? two inside the cam chamber and one outside in an odd place over by the cruise control unit (below it actually IIRC).

These will cause consternation if not removed.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.