220 hp. but runs 149 in 1/4

235mph

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finished a busa motor, makes 229 but only runs 149 in the 1/4 and ideas?
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Need a little more info to help you out. Is it stock wheel base is it lowered what clutch mods have you done. What gearing are you running. What kind of 60 ft time answer some of these questions and maybe we can help you out........
 
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