67,different animal...totally.Considered, his intake modifications, he's close. This is a tight, non programmable setup OOTB ,67...went Carb,on my Maggie...
but i will be getting an SCT tuner as soon as the new one comes out (end of the year. so i can get a bigger one and shelf it till then, but it looks like the 50mm is the best for mpg and low end.