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Old 10-08-2012, 01:28 PM   #210 (permalink)
blackbird
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Join Date: May 2009
Location: Nashua NH
Posts: 179
Drives: 09 370Z BLk GTM TT
Rep Power: 16
blackbird is on a distinguished road
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I've got the GTM Stage II. No internal modifications. I have, depending on the dyno, 512-540 RWHP, running at 10.5 boost. I have had no problems. Under WOT in 3rd gear is just hang on for dear life. Should be enough HP for mortals.
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