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2007 AMSOIL Mopar Engine Challenge RM Competition

Randy's big tuning trick for added horsepower? Put the air cleaner assembly back on. It upped his power number each time he replaced it.
2007 AMSOIL/Mopar Engine Challenge - Day 1

Randy's big tuning trick for added horsepower? Put the air cleaner assembly back on. It upped his power number each time he replaced it.  View Related Article

 

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