cant say for sure on et drop but you will see a drop , the stock gn rim is 29 lbs , the GTA is about 16 so the weight drop alone is good for .05 et but the bigger effect is the rotatng mass loss is more than just the 50# , probably closer to 250# .
cant say for sure on et drop but you will see a drop , the stock gn rim is 29 lbs , the GTA is about 16 so the weight drop alone is good for .05 et but the bigger effect is the rotatng mass loss is more than just the 50# , probably closer to 250# .