Originally Posted by Forty9
The distance between the manifold to carb mounting studs is important. Info on this page may help: lower right corner https://www.fillingstation.com/catalog/flippingbook/index.html#332/z

Their site gave exactly what i needed.

The spacer is the larger 235 one.
My engine must have a 235 intake manifold. The carb has had the holes elongated on it.

Thanks!
Ben