An Engineer's Ultimate Guide To 3.21 VS 3.92 Axle Ratio

[E.Hands]

Correct answer here.

That's affirmative Captain Obvious. But still that doesn't answer my question.

 

[E.Hands]

This was a gear ratio thread, so what's the question leading into?

The 5.7 is already a bit more powerful than I needed, so I'll lean toward MPG, but I can see where some users may crave more power/torque. So I guess there's a market for both, but I don't have a feel for what the split might be.

Correct. That is why I asked the question.
I feel the same as a couple of the previous posts, that nailed it perfectly.
I already have enough power.
Sure 500+ numbers are hella sexy. But in reality, ask yourself this honestly:
How many times a month do you go wide open throttle and wish you had more.
And how many times do you look at the fuel gauge and say, "Damn Buddy, not so fast!"

 

[E.Hands]

This was a gear ratio thread, so what's the question leading into?

Besides, the gear ratio, pissing match was pretty much played out at 138 pages. Lol!

 

[Mountain Whiskey]

This was a gear ratio thread, so what's the question leading into?

The 5.7 is already a bit more powerful than I needed, so I'll lean toward MPG, but I can see where some users may crave more power/torque. So I guess there's a market for both, but I don't have a feel for what the split might be.

What is this magical 5.7 that you speak of? I didn't know they had 5.7 motors with more power than the Helliphant. I'd have to be 25% over that to reach this mystical "more power than I need" threshold.

Besides the gear ratio pissing match was pretty much played out at 138 pages. Lol!

The well known proven fact that 3.92 is superior ratio will never play out!

 

[E.Hands]

Alright Whisky I'm gonna put you down as being in the "gimme mo power" camp.
So my Q 4 U is:

HurriCrate or Hellephant ?​

PS - my last truck was 3.92 so I know which gear is superior.

 

[E.Hands]

I guy once told me that peak numbers don't mean squat,... but I think he drove a Penstar V6

I'll just leave this right here for you gearheads:

5.7 Hemi = 395 HP / 420 TRQ
SST S/O = 420HP / 469 TRQ
SST H/O = 540 HP / 521 TRQ
Ram Charger = 663 HP / 615 TRQ
Eco Diesel = 260 HP / 480 TRQ
6.4L Hemi = 410 HP / 429 TRQ
6.7L Cummins = 370 HP / 850 TRQ

 

[kapinallinen2]

5.7 Hemi = 395 HP / 420 TRQ

My 2019 is only 410 pound feet. I feel cheated!

 

[Idahoktm]

I guy once told me that peak numbers don't mean squat,... but I think he drove a Penstar V6

I'll just leave this right here for you gearheads:
6.2 SC Hemi = 702HP / 650 TRQ
5.7 Hemi = 395 HP / 410 TRQ
SST S/O = 420HP / 469 TRQ
SST H/O = 540 HP / 521 TRQ
Ram Charger = 663 HP / 615 TRQ
Eco Diesel = 260 HP / 480 TRQ
6.4L Hemi = 410 HP / 429 TRQ
6.7L Cummins = 370 HP / 850 TRQ

Fixed it for you.

 

[HSKR R/T]

I guy once told me that peak numbers don't mean squat,... but I think he drove a Penstar V6

I'll just leave this right here for you gearheads:

5.7 Hemi = 395 HP / 420 TRQ
SST S/O = 420HP / 469 TRQ
SST H/O = 540 HP / 521 TRQ
Ram Charger = 663 HP / 615 TRQ
Eco Diesel = 260 HP / 480 TRQ
6.4L Hemi = 410 HP / 429 TRQ
6.7L Cummins = 370 HP / 850 TRQ

Peak numbers are just sales points, and things to brag about. It's power under the curve that matters. But only those who like performance understand that. For everyone else, peak numbers are for arguments.

 

[Mountain Whiskey]

Alright Whisky I'm gonna put you down as being in the "gimme mo power" camp.
So my Q 4 U is:

HurriCrate or Hellephant ?​

PS - my last truck was 3.92 so I know which gear is superior.

Hellephant with nitrous! Or perhaps someone from DARPA could chime in and we could tie in Project Orion.

 

[E.Hands]

But only those who like performance understand that.

Hahahahaha!

 

[Dewey]

Time to get back on topic. You guys are gonna kill this damn thread.

3.92’s are overkill

 

[Threesuns1]

Time to get back on topic. You guys are gonna kill this damn thread.

3.92’s are overkill

View attachment 181010

Are you sure the Grady's not pushing the Tesla?

 

[E.Hands]

That Tesla obviously must be running 3.92's !!!

 

[theblet]

Time to get back on topic. You guys are gonna kill this damn thread.

3.92’s are overkill

View attachment 181010

He musta had 3.92s!

 

[Mountain Whiskey]

Damn, you guys beat me to it! You know I was going to throw out the "good thing he isn't running 3.21s!"

 

[Dewey]

He musta had 3.92s!

Direct drive. No gears.

 

[Mountain Whiskey]

m

Direct drive. No gears.

Dude, we know but don't be a buzz kill man!

 

[Rick3478]

That Tesla obviously must be running 3.92's !!!

Electric motors not crippled by connecting rods and valve train, they are probably running more like 6.13's.

 

[kapinallinen2]

Electric motors not crippled by connecting rods and valve train, they are probably running more like 6.13's.

Lower than that. Sevens and nines, according to the internet...