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Whipple charged 2011 RT AWD on FB 631HP

23K views 11 replies 6 participants last post by  RTdaddy 
#1 ·
#2 ·
Making me drool but i dont have 20k for that setup. Next summer though i am going to do the whipple. Just sit at 8psi till its paid then do motor.
 
#3 · (Edited)
That is a nice setup, but I wonder how long that drivetrain holds up.
I’m contemplating going with a centrifugal on my 2014, figured that would be easier on the system than a roots or screw type. Problem is, I don’t really know if it’s worth the trouble. I’ve seen a couple guys (pretty sure from this site) pushing in that territory, one was turbo’s, the other was supercharged, don’t remember which type. Anyways, they have blown something like, one transfer case and a couple axles each. Then again, there is a guy on YouTube, dasllamas, that has a 2013 Charger awd, running a procharger, and making 500hp daily driving, and around 600hp when taking it to the track. Engine and drivetrain are supposedly stock, except for a 3600 stall torque converter. He’s apparently gone over one year and 15k miles (name of one of his videos) supercharged. So who the hell knows.

I’d also like to know where he got the forged 5.7 crank. I’ve looked on and off to see who offers one, but can only find stroker cranks, which I don’t believe is needed in our awd’s.
 
#4 ·
Well there is a company offering a hellcat AWD for law enforcement so im sure it was tested. We may not be destined for a 1000hp awd but ill take 5-600 at the wheels any day!
 
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#5 · (Edited)
Yeah I've heard about that armored max company, don't know what they are doing to the drivetrain, though.
Don't get me wrong, having more than 500hp would be great in these boats, I guess I was just looking for more concrete numbers as to what the system can handle. Well, one could just periodically up the boost until something in the awd system fails, then back it down a bit.
 
#6 ·
It really is an unknown for the newer transfer case. The older case is prone to breakage, I have broken 3 of them. The issue to contend with is wheel hop. I can lift the front wheels of the track if I use an aggressive launch and that seems to be the breaker. Historically, the old case starts to fail when flywheel HP gets above 500. I don't have that much, but I made up for it with about 440 HP and 5,400 launches.

It will be interesting to see how the newer case holds up, but at this time, I have not seen enough action to draw a conclusion.
 
#7 ·
Yeah, the older gen transfer case was basically an open diff, so that makes sense. The wheels lift, a lot of power is transferred to the front, and then it abruptly gets traction. The current gen (they are still using the same ones from 11-14 in current vehicles, right?) is intermittent and uses a clutch type system doesn’t it? If so, that should prevent or mostly prevent extreme power transfer up front when the wheels lift, correct?

Oh I also found out that a 6.1 crank will swap in, so it’s forged and same stroke as a stock 5.7L. I for some reason thought the 6.1 had a different stroke, but same bore.
 
#10 ·
Just about to put down a deposit on a Whipple install for my ‘14 R/T AWD. The shop (National Speed in Richmond VA) estimates I’ll have ~500 hp when it is all said and done.

It will take about a month -3 weeks for Whipple to build and ship it, and NS will have the car for a week.

Not going with any other mods at this point.
 
#12 ·
Stock but for the whipple will run about 475awhp. I plan on dropping a boost cam 95mm tb and long tubes and smaller pulley should put it at 535-575awhp which will be fine before needing to forge...and even then its dicey.
 
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