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View Full Version : porting secondary's?


stuartrx2
24-04-2011, 07:30 PM
hey all just blown my engine its a series 5 n/a want to keep it as a crusier but also want a bit more go. herd of engines with ported secondary's just wonder if i will notice much diffrence if i went a large extend port on my secordary?

stuartrx2
27-04-2011, 04:14 PM
any feed back people want to get it going again