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Could the additional flow be attributed to the intake, seeing as how both style carbs are rated at the same flow number???

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There are so many factors, when running a Dom, you are usually increasing plenum volume so unless your adding volume under a 4150, its just not cut and dry answer. Even the same exact intake will have different characteristics. One opened up for a Dom may now have shorter runner lenght and bigger plenum and the engine may or may not like that

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On a dyno, the bigger 4500 manifold and dominator carb will almost always make the most power. What runs the fastest at the track may be a different story. Have to be careful w/ manifold volume on a street/strip car. Too much and it'll really hurt the lowend grunt and the little you gain up top will never make up for it. Even my big 572" hemi was really hurt by the larger Indy 426-4 single 4500 manifold versus the Ray Barton single 4500 manifold I had run before. Ran great on the back half, but lost so much in the 60' it was still a tenth off. If I loosened up the converter more, added more gear, more spring pressure for the added rpm, I may have been able to use it...but that's not what I wanted at all.

Ever notice a lot of people run the 4150 Indy manifold w/ a 4500 adapter instead of the 4500 Indy manifold? Only problem w/ using the adapter is it's really tall. The short ones don't work well.

Only way to know is to try one and see, but that's an expensive test. Unless of course you borrow a carb from someone. I'd suggest an adapter for the dominator for your current manifold...if you can fit it.

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Mark, what are your thoughts on supersucker adaptors ? Do you feel they work better on some combinations than others and what is the reasoning behind that ?
Mick

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