Highest flowing sbm heads?

B3422w5 said

Except that motor in differing conditions made 739 and 770+, lots more than 600

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(Rapidly)
Yea yea yea yea yea yea……

(Grandioso!)
OMG! Beat it into everyone’s head why don’t ya?!?!

(Rapidly)
Yea yea yea yea yea yea….

(With cheer)
LOL! Hell of a street engine.