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He fired the engine, brought it up a little off idle, and tapped the button for the big hit, the motor jumped. Then he tapped the second small system, and the engine started screaming out of control, popping and banging! He cut the ignition and killed the engine but you could still hear the Nitrous spraying.
He then quickly turned the bottle off.
"Got some dirt in the solenoid?" Boone asked him.
"Yeah, Dang it, scared the crap out of me! I wonder how many valve springs I just broke! The playback on my Mega450 showed 8750".

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This is unbelievable!! No load 8,750 RPM in a stock 440 block with stock main caps, stock crank, Isky/Crane ductile iron rocker and ~$150 set of Howard Spring, Retainer and Lock kit.... And he's been beating on it since they got back from Drag Week 2013 throwing all he NOS at it he can and not a thing hurt or blew up.... he must be living right or something.