aldo98229

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I agree: while dropping a 392 HEMI gets everyone’s hormones raging, when it comes down to it a Rubicon 392 is going to be marginally more capable than a regular Rubicon, if at all.

Heck, my stock Sahara has 33.2-inch tires, which are slightly larger than those included on the 392.

On the one hand the HEMI will sound a LOT better; on the other, it will struggle to get a range of 250 miles...which, arguably, is a big deal on a trail.





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JeepinJason33

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I imagine the 392 will take premium fuel as well. I know my SRT does.
 

RubiTuesday

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That asterisk you added is REALLY important.

Let's get some dyno charts and look at torque from idle to 3500rpm and see where the 392 sits.
Using peak numbers is fun for an excel chart, but not much else :)
Absolutely. I included that disclaimer because peak torque isn't the best way to do this, but it's something with the info we had (have) at the time.

A better analysis might include:
-FCA's statement that the 392 makes 75% of torque "just above idle"
-The fact that electric motors produce max torque immediately, so part of the 4xe torque is instant
-New info that some or all of these engines may be "governed" in 4 low
 

word302

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Absolutely. I included that disclaimer because peak torque isn't the best way to do this, but it's something with the info we had (have) at the time.

A better analysis might include:
-FCA's statement that the 392 makes 75% of torque "just above idle"
-The fact that electric motors produce max torque immediately, so part of the 4xe torque is instant
-New info that some or all of these engines may be "governed" in 4 low
I guarantee the 3.6 doesn't make anywhere near peak torque off idle, which is one of the reasons why I'm interested in the hemi.
 

aus-jeep

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I guarantee the 3.6 doesn't make anywhere near peak torque off idle, which is one of the reasons why I'm interested in the hemi.
I can't find too many dyno charts out there, but I was suprised the 3.6 is pretty flat through the range.
It's still no where near the 392, which is double :D

1605906761074.png
 

AnnDee4444

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I can't find too many dyno charts out there, but I was suprised the 3.6 is pretty flat through the range.
It's still no where near the 392, which is double :D

1605906761074.png
Where's this from? Do you have this in CSV data?
 

Young04

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I can't find too many dyno charts out there, but I was suprised the 3.6 is pretty flat through the range.
It's still no where near the 392, which is double :D

1605906761074.png
Isn't this during full throttle? In part throttle situations the 3.6 doesn't put out much down low.
 

Bruce Willys

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Y'all are going WOT in 4-low? 😶
 

MarkY3130

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Y'all are going WOT in 4-low? 😶
When clearing 10' tall waterfall obstacles? Not sure I'm quite at WOT but there is certainly a lot of throttle involved. (Also, I miss Moab. Was just there again 2 weeks ago)
 

Bruce Willys

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Hill climb in sloppy terrain much?
Regularly, it's rare to find flat ground in my region. Even with the gearing on my non-Rubi, I don't need to go that deep into the throttle to climb over steep stuff.
 

BrntWS6

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Be fun to get the 392 in a lighter sport model and throw a tune in it. Then take the doors and top off to go stoplight racing and piss off some Hellcats.
 

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