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5.7 why 16 spark plugs

They want an arm and two legs for one of them trucks. And a left Gonad. :rofl:
What's strange is when I was truck shopping back in 2015, there wasn't much difference between the price of a new Ram 2500 with the 6.4 hemi or the Ram 2500 with the Cummins 6.7.

I was looking for a new truck with towing capacity, and while the 6.4 Hemi would have done what I needed, the dealers wouldn't "deal" on the 6.4 Hemi's. They were only $500 less than the same truck with a 6.7 Cummins. I thought they were nuts, so I spent an extra $500 and now I have a 2015 Ram CTD in my garage. That Cummins has considerably MORE towing capacity than the 6.4 Hemi.
 
The original gen 3 hemi used spark plug wires to fire the second plug on the exhaust stroke as others have mentioned. When the eagle hemi appeared with VCT, the need for waste spark went away. According to the FCA service information, both spark plugs on the eagle are fired at the same time. There is no delay. I researched this because I was really curious about it. This why these engines don't require a ton of wot total timing like the earlier hemis and other engines do. I am going to pull the calibration off of my 23 1320 and if I remember, I can post the timing tables here. So, there is no waste spark on the eagle hemis according to FCA.
 
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