the gsr will win just becuse you are a little lighter it wont be that big of a deal plus his motor has so many upgrades and not only the bolt ons internals as well, also making your car rev to 87k or 89k is not going to help if you not making power that high up in the rpms you may even be losing power and if you do not have the products to rev that high you can potentially hurt your motor.ex. floated valve causing piston to valve contact, spun bearing or worst case cenerio you can just pop it throw rod. my vote goes to the gsr. me and a friend raced once he had a stock gsr in a eg hatch and i had a b-16 with all the bolt ons in a ef hatch 1st and 2nd was relatively close with him in the lead but as soon as he hit 3rd gear it was all over. so do not even waste your time only if you guys aint got ish to do and are just b.s.ing.