12-15-2021, 10:20 PM
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Senior Member
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Join Date: Oct 2016
Posts: 201
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Quote:
Originally Posted by Bruce Meyer
There are a few different versions of the P4B. The square bore P4B that Formulas mentions looks pretty much exactly like a factory iron manifold except its for square bore carbs. HEI will fit these. Some of the other ones have very wide ports that will interfere with an HEI.
Post a pick of your manifold and I can tell you right away if an HEI will fit.
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Here it is, EP4B 61-64.
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