Overwieght?

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I leave for basic in 3 months and I started working out really hard a month ago. My AFPT score is 270 right now and I hope to be on the extended scale by the time I leave. I don't have a lot of problems with long runs. I can run four miles in 32 minutes and 6 miles in under 54 min. I plan on vast improvements on both before I leave. Six months ago I weighed 275 lbs, I was not lazy I needed to carry that weight because I played offensive tackle. When I got out of HS I knew I needed to lose a lot of weight. Now I am 6 ft 3 and I weigh about 225. At MEPS I had 15% body fat. I was talking to an SF guy the other day that told me my body fat didn't matter I would have a lot of trouble making it through Phases 1 and 2 carrying that much weight. My question is if I am not having any health problems and I can keep up physically do I really need to lose weigh or would it be beneficial to carry a few extra pounds into selection? Thanks alot.