Originally Posted By scratchnfotraction

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being called a wide block refers to having larger poly heads/VC and a wider intake which makes it wider VC to VC in the engine bay.

my 73 duster with a poly 318 was a tight fit but did fit in there.
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While the poly is wider at the valve covers than the wedge it's a non-issue since when headers or exhaust manifolds are installed the overall width is the same (about 26" if I remember right). Hooker SC 5204's can be modified to fit the poly/'67-up A-body.
twocents