So 4th Gen Hemi Dyno is Depressing Claims 390 Hp Reality is maybe 330 hp

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Stangshcky12

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I guess I should have said NA lol theres also a few blowers out there for them that'll get them up to 410-at the wheels with just a "bolt on" haha
 

garner

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I guess I should have said NA lol theres also a few blowers out there for them that'll get them up to 410-at the wheels with just a "bolt on" haha

Lol well he was at 329 rwhp without the nitrous in 100+ degree heat so a little better weather and he probably would've been over 330 rwhp

Not really. Flaco got 329 rwhp with longtube headers and cats, cai, and throttle body in 100+ degree heat untuned and 410 rwhp with a 100 shot untuned on his R/T
 
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fordkilla

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I cant say from my own experience but i did watch a professional video of a 2010
and it dynoed at 360 rwhp stock then they put a supercharger on it and it hit 425 rwhp
 

pd298

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I cant say from my own experience but i did watch a professional video of a 2010
and it dynoed at 360 rwhp stock then they put a supercharger on it and it hit 425 rwhp

I dont think there is a way that a stock ram could dyno 360 completely stock.
 

garner

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Probably Hennessey's. In no way stock. It had their 425 kit on it which is headers, catback, tune, and some other stuff. Then they put on the supercharger which makes up their 500 kit
 

hemi4

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when i dyno'd mine with intake and exhaust i measured 327hp 360-370 ft-Ibs
 

Statcher1

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Holly grave digger. What a old thread


Sent from the Rocket in my Pocket
 

jlb

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Nice to see it come back with relevant info though! :)
 

Ramsfan78

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I started a new thread on this exact topic. I had two pulls on the dyno today and logged 329rwhp and 344.98ft. lbs. torque. Mods are in signature. I too was disappointed with these numbers. I was thinking at least 360ish. Oh well. Guess it gives me an excuse to do some more moddin. Ha. :naughty:
 

Desert Dude

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My friend has a 2015 5.7 in his Ram and claims 534hp at the rear wheels with just a cam and Mopar intake....factory exhaust. He's wayyyy misinformed right? How can it possibly gain 200+ rwhp with just a cam and cai?

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Hemi450hp

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My friend has a 2015 5.7 in his Ram and claims 534hp at the rear wheels with just a cam and Mopar intake....factory exhaust. He's wayyyy misinformed right? How can it possibly gain 200+ rwhp with just a cam and cai?

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He would be lucky to see 360rwhp with just a cam and intake. That number is very generous as well.
 

Gump

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He obviously is misinformed. Getting that much power at the crank would take a lot of parts let alone the wheels.
 
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