455 olds

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Dec 16, 2004 | 06:13 PM

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are the exhaust ports on a stock big blocks 455 olds the same as a small block, that is that the center ports are close togther?

Dec 16, 2004 | 09:07 PM

jdorour

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Joined: Feb 2004

Posts: 120

From: Atlanta, GA.

The port configuration is the same. The bolt pattern is the same also. However, the ports are larger on the big block engine.

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