Have heard of many cases where people have problems with car not going into gear when cold then they put smurfs blood in and vuala. However. As mentioned before, it is a band-aid.
Skids were had. Blew intercooler pipe off. Fixed it and continued Skids. Once again, I must say that the evo was many more enjoyables on the skidpan than the gtr.
Should keep it simple otherwise the forum will once again be bombarded with the same questions. 7s make less power than 9s. Only a little bit. 7s are slightly more responsive than 9s.