Modifications to Offenhauser 1 1/2 carb spacer Thermoquad to Holley pattern ?

Brooks James said
Thanks, Ive got one, I had'nt thought about it.

Theres some shots of the adapter you suggested. Minimal grinding. I will have to get a divider bar welded into it to keep the intake dual plane. The next to the laster pic shows the fit best .
Thank you for your suggestion.