750cfm is perfect for your combo as you found out in your ET comparisons.
Ma Mopar used the large 1-1/2" primary bore big block 850cfm TQ's on their 74 360hp motors in A,B & E bodies.
1970 FE5 Duster 360/904/3.91's SOLD
1973 TB3 SpaceDuster 340/4spd/4.10's SOLD
Moparless for now but when the opportunity is right I'll have another one.
