So I decided to go with 1.75″ 16 gauge mandrel bent steel pipe and 1/4″ sheet metal for my new MPFI intake manifold.

The plenum is a little over 3 liters displacement. The runners are within my desired range of 9-13″. This should provide a torque range of 3-6k rpm.

The fitment is pretty close, but I can adjust the location of my brake proportioning valve. The intake elbow needs to be addressed, I think a silicone coupler will make quick work of that.

Then there is the tri y header I’m making.

With all this cutting, something had to break.