Need intercooler sizing help.

[Blown353]

As the subject states. I need help both sizing and then fabbing an air-air intercooler for my car (I can't weld aluminum worth a darn so this will have to be outsourced.)

As with any intercooler, packaging space is limited. I'm looking for something that flows about 1500cfm without much pressure drop. I can fairly easily package up to a 4.5" thick core.

Engine is centrifugally supercharged and 16psi of boost is the maximum.

So far I have looked at Spearco and Bell cores and their rating system must be wildly different-- because a Spearco core rated for 1500cfm is typically half the size of a Bell core rated for the same CFM.

Thanks!