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Old 05-24-2012, 08:50 PM
irnwkrkev irnwkrkev is offline
Dodge Ram Forum Junior Member
Join Date: Jan 2012
Location: Miami
Age: 38
Posts: 37
Gender: Male
Vehicle: 2011
Trim Level: Longhorn
Color: Black
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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irnwkrkev is on a distinguished road

Don't forget if going to a cam as large as the 274 you're going to need :

valve springs
stiffer pushrods
non-MDS lifters
MDS solenoid plugs

The 6.4 has different :

MDS lifters ($400 at a discount parts house)
Springs ($100+)

The 6.4 has the SAME:

timing chain
spring retainers and locks
rocker arms

Anyone know if the head bolts are TTY (torque to yeild)? That would require new bolts.
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