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4k rpm

1163 Views 5 Replies 5 Participants Last post by  SFmonster
will benefit anything from using the 4000 rpm option on my smarty?

i have a bd single, smarty s06, bhaf and straight pipe.
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Look at some dyno charts.. is it really viable to run those rpm's unless you have a heavily built truck for racing?? not likely.. mine is built alot..and I dont run it.. so I doubt you and most others who run it actually need it..
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