He said they were building a custom order one for a client back then but the client bailed when is came time to cough up some cash (usual story)
So perhaps that was the custom prototype they designed back then? I gathered they were working on making the design street friendly in conjunction with their Japan contact?
I went off the idea anyway as you can see cost just gets way out of hand and it is not justifiable/logical unless you are doing all the work yourself and have access to fabricators/tuners etc and can do it on the cheap.
I have gone back and focused on the M117 engine with the newly released FrankenCIS ECU Kit and have since purchased that and learning all the tuning options etc. Mike at Dkubus has put literally thousands of hrs into the fine tuning of the M117 with this product and is getting great torque results. I have been studying/learning his tuning skills - being an ex AMG employee and racing background/high end fabrication for racing components he is very knowledgeable with mapping