6.4 Supercharger

[Wadejesu]

Anybody installed a SC on a 6.4

 

[OC455]

What are you trying to do? More low end power? More upper end?

The only company that makes a complete kit that I know of for the 6.4 Hemi is ProCharger.

Whipple makes Superchargers for the 6.4 but not for the truck motors.

 

[Fatbob Frank]

It's been done...

Procharged 392 Ram..... 449 WHP!

What's not to love about a big truck with a bit of boost.This 392 powered Ram 2500 came in for a custom tune after installing a ProCharger D1SC Supercharger ...

youtu.be

 

[stevenP]

From what I have read, the common scuttlebutt out there is the hemi's are fragile when modified. No way I would ever consider such an upgrade. You would never get that investment back. As a matter of fact I wouldnt even consider buying a vehicle that was modified at all.

 

[2003F350]

It's not so much that they can't handle it - the Challenger had a motor with the same architecture that could handle it. The block and heads, and probably crank, can handle it.

It's more that the stock internal parts can't (connecting rods, cam, lifters, etc). But that's been true for decades - stock parts kept getting cheaper and cheaper across the board, as fewer and fewer people were taking their DD to the track. The days of taking a stock motor, putting massive tunes and power adders on it, and having it last, are gone. If you want it to last, you have to upgrade a lot of hard components too.

 

[Fatbob Frank]

From everything I've read the 6.4s in the trucks are considerably stouter built than those they stick in the Challengers.
If they can handle some boost I don't see why the Ram engine couldn't...

 

[Wild one]

The truck 6.4 will handle boost better then the 5.7 will,but if you do alot of heavy towing that includes some long grades,you probably shouldn't boost it unless you replace the pistons and rods.
Even a mildly tuned and boosted truck 6.4 is probably gonna require 91 octane fuel.
Decent article here on the truck 6.4,they do have the compression ratio wrong though,it's actually 10:1,not the 9.5:1 they say.

We Scored a $400 Junkyard 392ci Hemi From a Ram Truck—and It’s the Mother Lode!

Our 392 BGE Hemi build-up journey starts with buying a mysterious junkyard Ram Truck 392 Hemi core. We crack it open and find the mother lode!

www.motortrend.com

 

[Fatbob Frank]

My bro-in law has a Plum Crazy 392 scat pack Challenger.
He was wondering why the 6.4L in my Hemi was so " underpowered" compared to his car.
I explained that, though they have the same displacement they were built differently as per the demands they were likely to see...
"Why wouldn't you want more HP and torque?" was his response.
"You should see this thing rip through the 1/4 mile. It can do donuts for days and block long burnouts!"
My response was "now do all those things with a 10,000 lb. trailer hooked behind it.. The Ram 6.4s were built for work ,not play."