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Hemi Challange Engine Build

Do tunnel-rams make power? Absolutely, this combination by Jeff Dickey of J.D.'s Engine and Machine impressed us with nearly 730 hp. We only wish the valvesprings would have let the engine make power all the way to 7,000 rpm so we could have seen what this engine would really do.
Mopar Engine Build - Hemi Challenge - Up Date

 Do tunnel-rams make power? Absolutely, this combination by Jeff Dickey of J.D.'s Engine and Machine impressed us with nearly 730 hp. We only wish the valvesprings would have let the engine make power all the way to 7,000 rpm so we could have seen what this engine would really do.  View Related Article

 

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