- Joined
- Jul 7, 2007
- Messages
- 449
At what point do larger a/r's become useful. I have the.63 exh. on my 6265 j/brng. ...trying to get boost a tad higher ...manual boost adjuster is about closed ...seems to be struggling to get much past 31 ... car is flying...gps shows 129 in a 1280ft blast