I have a 337 intake on MW ported Performers. I use a 1050 Dominator on an adapter and it works great. As delivered the ports are right in between std and MW. Having the built in valley tray is a huge plus. I've always been surprised this intake hasn't caught on more than it has.

1967 Coronet, 1989 Daytona tube chassis. Former cars, 66 Charger, 67 R/T, 69 Coronet, 67 Dart GT. -Banned for life from V8Buick.com-