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Old 03-25-2015, 09:18 AM   #1
dangerous06
 
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Name: dangerous06
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Valve size and angle

What size valve would you recommend for a 5.9 head on a 6.7 block? Is it worth doing or just leave it and change the cam? Is a 45 valve seat or a three angle cut better? Since the air is forced into the cylinders isn't any of the above useless under 4000 rpm?
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E.D. 66-74-091, T-4 exhaust, 2 Micron filter pre CP3, EFI, S&B intake, ARP 625 head studs, 182-214 Hamilton Cam,springs and push rods,40% injectors, Banks Intercooler, T&C CP-3 & PRV, Built
48RE, 5" exhaust,Carrillo rods, Pacbrake!
 
Old 03-26-2015, 09:43 AM   #2
dangerous06
 
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Just wanted some opinions and what has been done. Nobody build a 6.4? Or just waiting for the engine guru's to chime in?
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E.D. 66-74-091, T-4 exhaust, 2 Micron filter pre CP3, EFI, S&B intake, ARP 625 head studs, 182-214 Hamilton Cam,springs and push rods,40% injectors, Banks Intercooler, T&C CP-3 & PRV, Built
48RE, 5" exhaust,Carrillo rods, Pacbrake!
 
Old 03-26-2015, 11:17 PM   #3
Beat68CST
 
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Air breaks over edges.

Personally, I'd shoot for a 5 angle job.
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