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Old 04-26-2010, 12:27 PM   #2
au03z71
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Join Date: Jul 2006
Location: alabama
Posts: 647
Re: Comp 276hr in 383

I have a 383 with the XR276HR and Vortec heads. I'd like to know this too, but I think it's going to be around 425 hp/450 ft-lbs.
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