sorry but your car would get destroyed by a 3000gt depending on the driver my bro has an sl and it run like 15.9 and it an auto sl,but it all depends on the driver what type of fuel he's usin,IE:85 87 90,etc,it all depends on to many factors stop askin about it and go try to beat him drive you best,and good luck.

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you should expect about low 16's