Early 273 intake problems

I used an Edelbrock Tarantula intake manifold on my '65 273 with washers on the smaller bolts and a lot of wiggling around to get them all started by hand.

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Wow! What did that TM-5 rpm at on that? Sorry to hijack, just imagining it had the torque of a weedeater mini with bad rings until it reached 4 or 5 grand...