Intake differance 273, 340, 360

I'll get some pics tonight. I got both an Eddy D66 and an Offy. Both made for the 64/65 273 head bolt angle.

I read somewhere the angle difference. I sure can't find that info now. Got a protractor? LOL

I come up with 30゚ and 40゚ 10゚ difference

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