Cummins Diesel Forum banner

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.
1 - 1 of 6 Posts
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..
1 - 1 of 6 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.