Yeah,
I had questioned why on TTF and I was told that if it was meant to have a 4" the flange would have been 4"...
Before all is said and done I more than likely will need to convert from the Holley to MSII. Its a real PITA to tune a blow-thru carb. This was supposed to be a budget build. Already over $5000.. If it weren't for the total suspension rebuild due to the disc brake conversion I would be well under the budget. Buuuut, I prefer a good foundation for what I expect from this setup and want to be able to stop! LoL! When I get it running I plan on taking it out to Sealy and see what she does.