Thread: HORSEPOWER GUESSES ? 406 SBC
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Old 03-24-2009, 09:54 AM
  #8  
chevynovaman
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my pump gas 383 went 11.80's with a 557 flat tappet cam, you should be in the tens easily with a brake,, your cam seems like it has alot of lift for the duration and lower compression.. I'll trade ya engines! lol
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