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3rd Gen Durango 2011 models

Supercharger Project

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  #1  
Old 07-15-2013, 10:59 PM
sbindley sbindley is offline
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Default Supercharger Project

Continuing with my Durango SRT theme, I am looking at adding the proper power to round out the project and am looking at options. I know our 5.7 Hemi is not the Ram-based 5.7, but which vehicle is the 2012 5.7 in the Durango most closely related to? Charger/Challenger, Jeep GC? Are all three of these the same? I know they are basically the same motor, but a variance in packaging can make the difference between a Maggie, etc. designed for one of these other vehicles fitting or not in the D. Biggest question/issue is the pulley alignment. Edelbrock confirmed for us that the heads line up on top, but if the pulley does not line up in the D, then a twin screw is out, unless someone develops a vehicle specific package. Step two is to look at the centrifugals.

My shop has no problem making minor adjustments the vacuum lines, hoses, air intake, fluid reservoirs, etc., and I am not worried about tuning any more as this will all be done with a custom tune on the dyno and street.

So, does anyone have the answer as to how close these engines are, and if one was to check a box to order a blower, which kit wold be the closest -- Charger, etc.?

Thanks much.
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  #2  
Old 07-16-2013, 03:18 AM
calereeves calereeves is offline
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Subscribing...very interested!
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Old 07-16-2013, 07:04 AM
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http://www.shophemi.com/p-2301-2011-...rformance.aspx

This would be your best bet. I'm considering it or swapping a 6.4L into mine. Sadly it looks cheaper to do the swap. Plus ill have more options for boost down the road. But for this setup I'm told only mod would be custom made intake.
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Old 07-16-2013, 08:50 AM
sbindley sbindley is offline
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Thanks for the response. That is the exact unit we're planning to try first. I'm already into headers, etc., so this should be a better call for me versus the 6.4 as it will have a lot more power and be a much easier install than a swap.

Stay tuned.
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Old 07-16-2013, 11:26 AM
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While then twin screw is the ideal choice, I'd go for a centrifugal blower. Fabbing up a one-off bracket and intake/outlet tubes is relatively easy. I would be too worried about the alignment of the twin screw.
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Old 07-16-2013, 11:29 AM
sbindley sbindley is offline
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Right, but if the alignment is perfect, then twin screw it is.
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Old 07-16-2013, 08:24 PM
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Maybe give rippmods.com a look they might be able to tweak their RAM kit for you
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Old 07-16-2013, 09:26 PM
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Ohhhh can't wait to see how this goes!
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Old 07-16-2013, 10:21 PM
Scottina11heat Scottina11heat is offline
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how would this mod be more power than the 6.4? How much boost? Rebuilding your 5.7 to handle boost? Rebuilding tranny or buying new? Transfer case? Axles? etc? A lot to think about.
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Old 07-16-2013, 10:39 PM
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Good luck swapping in a 6.4L. No way it would be less than a supercharger. The 5.7 is good for 8psi stock and up to 11psi if you utilize something like a water/meth kit. Beyond that, you'll be getting into major transmission upgrades, let alone engine upgrades.

Engine wise, I don't see a single difference between a 2012 5.7 and anything 2009+ in any car form. So an E-Force should work just fine. Call Edelbrock or email them to get measurements of the snout and overall height to make sure it will fit under the cowl and hood. I bet it fits perfectly.
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Old 07-16-2013, 10:50 PM
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6.4 vs a blown 5.7 is an old thread that has been endlessly argued many times on many brands and it can go on forever - "Yeah, a 5.7 with a blower makes 500+ hp, but if I put headers and a cam on my 6.4..."

Anyway, I'm just 50 or so flywheel away from the 6.4 now with my current setup, so the 120+ from the blower, tuned properly should be well beyond a stock 6.4. For daily driving, the other parts mentioned should be fine and if not, would need to be upgraded with a 6.4 as well, right? I just did a crazy swap in a Solstice and it was a blast, but a ton of work to complete. Of course, the 5.7 to 6.4, Dodge to Dodge with room under the hood is not as extreme, but I would guess not a plug and play either. There are always plenty of things that come up.

So, I guess my answer is simple. I'm choosing FI on my 5.7 and planning to use a system built specifically for the 5.7 Hemi. I'm going with the low boost choice (8 lbs).

For sure, I'd love to see a 6.4 swap and look forward to the feedback a member might provide all of us if he or she steps up to the plate. I wish Dodge built a 392 D, but, to date, they have not, so I am putting together my own SRT version. Hope to know more about fitment this week.

Good luck to all in your D modding pursuits.
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Old 07-17-2013, 12:20 AM
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im looking at $7500 installed for the 6.4 and thatd be a truer SRT than a s/c 5.7. With s/c setup youll be around $10k installed ish. But i like the idea and keep running with it dude.
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Old 07-17-2013, 08:49 AM
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Well, then. I stand corrected. I was thinking those numbers would be reversed, and then some. I can't speak for what your shop is offering to keep all that custom labor, machining custom mounts, plumbing issues, etc., down on a one-off install. Perhaps they are offering a huge break on labor like my guys, who want to be the first and are giving me a far better deal than the public -- far below the 10K you quoted on my behalf. (Don't use that Shop Hemi retail price as that is a proprietary system they sell with a bunch of extras I don't need. I'm getting from Maggie for much less.)

Anyway, I would love a 6.4, so if there is anything close to a turn key for $7500, I need to find out how that can be done. I'll check with my shop today, but I just don't see how I can match the deal that you have secured -- I am seeing $7500 just for a crate engine and that does not include ECU or custom headers needed and then labor would be on top of that. If you have a line on a source for clean, low-mileage 2012 or later 6.4's for half than that or less, can you share it with me/us?

I just don't see the math working for me. My shop, Cordes Performance in Tempe, AZ, does tons of work on SRT's as well as many swaps that are way more extreme than the 5.7 to 6.4. (They have 3 RX7's in there with LS V8's right now.) Joe Cordes should know pretty quickly how the two options compare for the general public. Of course, my build may require some custom tweaks as well, so it is hard for me to quote specific numbers at this time, but I am doing this, so I will report what I find, and hopefully, you will all have a choice for your own 500+ horsepower D, tested and ready to go.

Hoping to know where all stands next week when they get my car and start test fitting blowers. I guess there is also the question of Maggie vs Edelbrock, because if one fits, then the other likely will also. I put the Edelbrock high boost blower on my LS3 Solstice and was happy with it, but am leaning toward the Maggie for the Durango. (I have a Maggie on my 07 Jeep Wrangler and it is great -- really quiet).

Great discussion for sure.
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Old 07-17-2013, 09:40 AM
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Now this thread has my attention!!!! MJ you build the 392 swap, and SBindley you the FI 5.7, work out all the kinks for all of us to make a educated decision on where to go and how much.....Awesome I love numbers like 500 HP.
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Old 07-17-2013, 09:52 AM
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I'm in!!
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Old 07-17-2013, 10:06 AM
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Quote:
Originally Posted by sbindley View Post
I'm in!!
NICE!!!! I have been reading about the Edelbrock system and I like it a lot, although the Maggie is time tested on many platforms, the Chevy guys love them on their LS motors.
So you my friend have a tough decision to make, I would like to see the EB E-force myself because it looks so much cleaner when installed!

Tom
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Old 07-17-2013, 02:44 PM
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I went with the Edel on my LS Solstice because with thought it would fit under the hood (it did not). I ended up adding a scoop to make it work and liked the scoop as much as anything else on that car. I doubt there is an issue on the D, and I do think I have more clearance with the ram-air hood. I need to see about fitment, then look at pricing, ease of install and make a choice.
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Old 07-17-2013, 10:23 PM
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I'm sure Ripp can get their ram system to work somehow
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Old 07-18-2013, 08:15 AM
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Ok, got some prelim measurements based on part comparisons and it looks like the twin screws will fit. As Magnacharger has been more open to working with us on parts and issues for this, they are getting the sale. Will get truck in next week, he'll look over a couple of things and then decide which of two systems to order. Then they bolt it on and start seeing what lines, hoses, etc., might need to be adjusted.

Last edited by sbindley; 07-18-2013 at 12:07 PM..
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Old 07-18-2013, 08:51 AM
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Nice Keep us posted on progress
STEVE
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Old 07-18-2013, 08:51 AM
 
 
 
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