Yup, head gaskets. I did the oil squirt with little difference. Then (with both valves in the closed position) I pumped air into the cylinder with the compressor. Most of the air came out from the cylinder next to it. Some of course came out exhaust and intake but that was from the valves being open in that cylinder.
Just glad that the heads come off quite easily compared to other cars, had it done in 2 days counting the machine shop time.
Good luck,
Angelo
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