273 Questions/Help

66fs said

3/8-16 is the 66 up bolt style that take a 9/16 wrench. You can use any 66-67 273, 318, 340, 0r 360 four barrel intake manifold.

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test fit a Torker 340 (putting a Performer on) fits like a glove. Now to finish disassembling and get the heads freshened up