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2016 Challenger Hellcat, Plum Crazy Purple, A8 (Grape Ape)
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3,600 Posts
Can these bolt on the 6.1 and go........FASTER!!
 

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Ooooo these look nice
 

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Me likey these. :) What are the cfm numbers? 2.13" and 1.65" are pretty damn big from the factory, right? What are the valve sizes from the aftermarket?
 

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Interesting I don't see any quench area. Are those stock Mopar heads or some custom castings? The 5.7 has them and doesn't put out near the power the new 392 is. I assumed every emission cutting mod would have been done no questions asked at Chrysler.

Either way they sure are beautiful!!
 

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Andy how do these compare to 5.7 eagle heads?
 

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That is an interesting point about the removed quench areas in the cylinder head. The 6.4 has a similar compression ratio as the 5.7, no? Is it filled in more somewhere else or in the piston to maintain the compression ratio?
 
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