Holley Street Dominator Intake

Anyone using a Holley Street Dominator single plain intake...it has the smaller 318 size ports also....Thinking of using it ....
Using a holley performer intake now and wondering if the car will pick up with the this low profile single plain intake.
stock 1968 318
.225 @ 50 cam..... .453 lift 108 lsa ssi cam (crane)
391 gears -3000 dynamic convertor-750 carb

I listed some of the info because some will wonder what it is.....
If you used it on a engine ..did it work for you?????
Thanks for any replies...