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400 firebird big block or small?

Updated: 10/25/2022
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โˆ™ 13y ago

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There is no "small block" , "big block" with Pontiac engines. The physical size is the same from 326ci to the 455.

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โˆ™ 13y ago
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Rod RA SK

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โˆ™ 1y ago
You forgot the 287 ci. All Pontiacโ€™s from 287 to 455 werecalled standard deck except the 265,301,303,366 were called short deck. The Pontiac company never debuted or called their engines small or big blocks and there was four different Journal size not 2

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