Building a 360 with ported and polished 587 J 202 heads. It has a comp 20-230-4 236/242@.050/110CL/.502/.511 mechanical-Ross 10.4CR/150shot N0S,780 holley,auto,etc. Getting ready to bolt on the Eddy RPM Airgap intake which has smaller port holes by about 1/8". Eddy tech says Don't port match, you will loose velocity coming out of the intake. What say you?