a badly worn cam could be not letting a full charge of air in if the intake lobes are so worn it is not staying open long enough.

i suggest you take the valve cover off and have an experienced machinist look at the camshaft. you can look as well, if it is off that much it may be pretty easy to see.

with compression figures so low i would think the performance would be terrible. rough idle too.

i suspect the compression test. it may be giving you bad readings.

i wouldn't pull the head just yet.

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.