You might want to rethink the S.P.2.P swap. The ports are actually SMALLER than a stock 318 2 barrel by a noticeable margin. A stock 1973-up iron intake is a far better choice. It only weighs a few lbs more than the 2 barrel intake. The S.P.2.P is okay for a totally stock 318 that rarely exceeds 3000 rpms.