Question:

Is there a Difference between a 305 and a 307?

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I have a 1987 GMC Sierra 1500 and was told it has a 305, but my boss has the same truck with a 307, it looks the same as my engine.

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  1. 305 has longer stroke and more torque..

    http://www.csgnetwork.com/cubicinchdispc...

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