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2014 Durango RT, 392 Hemi, Eibach Coils, 22" Hellcat Reps, Corsa Exhaust
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Discussion Starter #61
I thought the 5.7L lost the cam???
Shoot...I'd like to watch those dyno pulls...well hear them anyway!
Cam wasn't gone yet, just starting to tap. It would probably just need lifters at this point.
 

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2014 Durango RT, 392 Hemi, Eibach Coils, 22" Hellcat Reps, Corsa Exhaust
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608 Posts
Discussion Starter #62
Update... I had the dyno session on Wednesday and it went well, but we didn't get quite the amount of power we were looking for. There is a plateau then drop off around 3500 rpm. My tuner thinks it's due to the short runner lock out plate on my intake manifold. Normally, the short runners would open around that time and power would continue to climb. So, now I will be looking into the needed parts and pieces to make the actuator work and find the missing ponies. Take a look at the dyno sheet attached and you'll see how it compares to a 2018 SRT they tuned. Mine is the blue line. I have a couple of videos I made, but they really suck because he stopped and asked me to come over and look when it wasn't making full power and I didn't finish the video. I may post it anyway though.
20200917_212748.jpg
 

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That would makes sense as I understand the switch over point for the 6.4 active intake is around 4600 rpms.
 
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