yes wheel weight does matter. I wish I never got mine. I have 17's, they weigh 18.5lbs..may as well be 19lbs. They suck. My best 1/4 mile was 15.5 with i/h/e (intake is cai) when I had stock wheels/tires with sri and hp header I got a 15.5 at a higher mph than with the 17's.
Not only does weight matter, but size, more size, more rotational mass=slower acceleration.
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