hey guys just wondering what you guys run as far as gears. I have a 98 mach z and was at the dealer yesterday and he told me to run 28/43 I have 27/43 in it now. Have any of you run this combo he told me i would pick up 5 to 7mph on top end but how much am I going to losse on bottom. I really dont need to go 5 to 7mph faster Have anyone went down on the top gear and does this really help your bottom end that is what i am looking for. any setups would be great thanks .