Unlike the Edelbrock, the....

....weiand would work great. It has the full width mounting pad which exactly matches the OEM intake and OEM spacer.

Speaking of which, why don't you run one of those for your transmission vacumm source. If you are not running with a pcv valve, you can just use the spacer port for your transmission. You can find these on ebay all the time.

You could also tap in any other ports you might need by just using the appropriate sized NPT/barbed fitting. I did this on one of OEM spacers to give me a small manifold vacumm source that marine carburetors do not provide.

The picture shows the OEM spacer upside down. All of the notations were for another purpose of showing a vacumm leak I unknowingly had using an Edelbrock 2121 Performer manifold with the narrow mounting base.

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