Who was your tuner?
-Are you tuned with Uprev's, Osiris?
-What were the results?
-What were you expecting?
Post up the dyno and other relevant info.. perhaps others on here can help to diagnose the problem.
I have had both my z33's tuned at APH and I know for certain they have tuned g37's. They would be my first choice.
Also, you will not find any tuners who have only worked specifically on the 3.7 as it is still in its infancy, and I don't think it would be wise to rely on tuners who have only had 2 years experience.(But that's just me)
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//2005 35th SB #81 [tyra] SOLD
//2006 GT PPW SOLD
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