TwinTurbo.NET: Nissan 300ZX forum - I see
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Subject I see
     
Posted by ZXRider on September 28, 2015 at 11:50 AM
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In Reply To So in TX, they don't use rollers. I guess they just test posted by WhiTTe Z on September 28, 2015 at 10:43 AM
     
Message The SZ chip shouldn't cause and issue. I have an SZ off the shelf chip also and I've passed smog with it.

You can also retard the timing to 13, put in 87 octane (lay off the boost) and get the CATs hot and go in. Change your oil and clean your intake filters also.

     
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