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Old 03-03-2013, 11:39 AM
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Dragpac Dragpac is offline
Dodge Ram Forum Senior Member
Join Date: Feb 2013
Location: NJ
Posts: 280
Gender: Male
Vehicle: 2013 dodge ram
Trim Level: Express
Color: Silver
Engine: 2009-20?? 345ci (5.7L) Hemi V8 390hp 407lb/ft
Rep Power: 0
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Originally Posted by TheBlackHemi View Post
It's because the 2011s and up shift points aren't really sticking (diablo hasn't fully cracked the tuning 100%)...we can only rev to 5900rpm anything more and you will bounce off the rev limiter (locked at 6k). Plus the 5.0 is an higher rpm motor (stock), they can easily rev to 6500-7000rpm which helps hold the gear longer and putting your shift recovery at a greater rpm. Swapping to 6.1L valve springs is a must if you want to safely rev a Hemi that high but until all the tuning perimeters are fully unlocked we are SOL anyway (2011s and up). These 4gen hemi's have good potential but the tranny and the lack of aftermarket performance parts is the only thing stopping us.
Good info thanks!

]2014 sport crew cab hemi 8 speed 3.92 gears
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