Intake manifold options for Eagle 5.7
#2424233
12/27/17 01:54 AM
12/27/17 01:54 AM
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Joined: Dec 2017
Posts: 24 Northern Colorado
EagleDuster
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I've been trying to get a definitive list of intake manifolds going to figure out what's best to put on my engine. I have a 5.7 which was pulled from a 2014 Ram truck and I want to swap it into my '70 Duster (eventually, gotta save up the money first lol). My plan is to use the MP PCM and harness kit and reuse the factory EFI and ignition. The stock truck intake that came with it has a broken dual-runner actuator on the back. Would this be worth fixing and a good choice for an A-body swap or would something else be better? I know there's also the later 5.7 car intake, the "old" aluminum 6.1 intake, the 6.4 SRT manifold with dual-length runners, and the aftermarket aluminum single-planes. I think the 6.4 manifold is cool but those seem to be pretty rare used, it's not like I'm going to have this thing running anytime soon though so maybe I should just wait and keep an eye out?
EDIT: Also planning on using a replacement 6.4 SRT cam and deleting the MDS along with new springs, pushrods and lifters. Transmission will be some kind of overdrive 5- or 6-speed manual (thinking T-56 atm).
Last edited by EagleDuster; 12/27/17 01:57 AM.
Khalid 1970 Plymouth Duster, 1993 Jeep Cherokee 4x4
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Re: Intake manifold options for Eagle 5.7
[Re: EagleDuster]
#2424268
12/27/17 03:59 AM
12/27/17 03:59 AM
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Joined: Sep 2004
Posts: 1,828 houston texas
gremlinsteve
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You also have the edelbrock intake. The upcoming intake from Holley will be out soon I hear and another project is in the works for a sheet metal design using a shorter extruded runner And billet flanges I'll have the design completed soon I hope and will start work on the prototype That's all I can give as far as details at this moment
if You Like Gremlinsteve. Gremlinsteve Likes You.
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Re: Intake manifold options for Eagle 5.7
[Re: EagleDuster]
#2424278
12/27/17 07:50 AM
12/27/17 07:50 AM
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Joined: Jan 2006
Posts: 1,400 Trumbauersville PA
ric3xrt
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Don't waste your time on fixing the truck manifold,its not a bad intake, but the car/Jeep intakes pop up regularly on eBay in the 150-400 range, and places the TB in a horizontal position, makes for better air cleaner options.
Truth has no agenda, but those with an agenda make their own truth. Some of us are so open minded they only see their View
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Re: Intake manifold options for Eagle 5.7
[Re: EagleDuster]
#2424282
12/27/17 07:55 AM
12/27/17 07:55 AM
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Joined: Jan 2006
Posts: 1,400 Trumbauersville PA
ric3xrt
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As for a list of intakes Ritter- single plane Drag Pak - single plane Mod man.....not sure what you would call that OCP- dual plane Edelbrock- barrel stock type Edelbrock- dual 4 bbl intake XV single plane....ultra rare, made back in 08-? And of course the stockers. The is also a BDS intake for the 671/871 Mopar has a f--ing expensive single 4bbl intake And a few sheet metal options from different fabricators.
Last edited by ric3xrt; 12/27/17 09:02 AM.
Truth has no agenda, but those with an agenda make their own truth. Some of us are so open minded they only see their View
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Re: Intake manifold options for Eagle 5.7
[Re: EagleDuster]
#2424423
12/27/17 03:40 PM
12/27/17 03:40 PM
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Joined: Sep 2004
Posts: 1,828 houston texas
gremlinsteve
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No need to modify a sniper They are releasing one
I have the spy phot to prove it
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Re: Intake manifold options for Eagle 5.7
[Re: cudadoug]
#2424490
12/27/17 05:04 PM
12/27/17 05:04 PM
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Joined: Jan 2006
Posts: 1,400 Trumbauersville PA
ric3xrt
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QUOTE: The Holley Sniper intake is easy to modify if your good with welding,
Sure like to know more about this! Pics?? Details?? Intake flange angle obviously, but were there port spacing issues?
Like Steve said Holly is going to release one soon. but spacing is 99% identical to the G3, the LS7 & LSX are closer to the pre Eagle shape then the 6.1/6.4 Eagle head.
Truth has no agenda, but those with an agenda make their own truth. Some of us are so open minded they only see their View
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Re: Intake manifold options for Eagle 5.7
[Re: EagleDuster]
#2424558
12/27/17 07:27 PM
12/27/17 07:27 PM
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Joined: Dec 2017
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EagleDuster
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Wow lots of info thanks guys! I guess now for me it's a toss-up between a Jeep/car intake and one of the 4-bbl-style aftermarket single planes. Since I'll need another TB anyway is there a vertical one out there which will fit the aftermarket intakes and still work with the factory drive-by-wire and EFI? I'd love to be able to still make use of the functional dual-snorkel hood scoop and 14x3" K&N filter on my Duster...
Khalid 1970 Plymouth Duster, 1993 Jeep Cherokee 4x4
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Re: Intake manifold options for Eagle 5.7
[Re: ric3xrt]
#2425049
12/28/17 08:36 PM
12/28/17 08:36 PM
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WO23Coronet
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Forgot the Arrow Single plane intake.
The Holley Sniper intake is easy to modify if your good with welding, I've seen a Northstar Eaton M122 intake/blower (04-08?) modified to work on the g3 motor, issue with that is 1) it's a Eaton , 2) the TB is in the back right up against the fire wall on the ram truck it was it, I would think in a retro fit(A/B Body) the TB would be in the firewall. Porsche Caymen Intake modified to work on a G3.....not worth the effort runners are the same length as a 6.1 Barrel intake. I've been working on a Cross-ram based off of the G2 viper...yeah trust me when I say it's not that great, money could of been better spent. How close did the Cadillac Eaton M122 match up to the Hemi? Bore spacing smaller? Adapters used?
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Re: Intake manifold options for Eagle 5.7
[Re: ric3xrt]
#2425055
12/28/17 09:00 PM
12/28/17 09:00 PM
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Joined: Dec 2017
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EagleDuster
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That's a really nice-looking piece, if I was going carb'd I'd use that in a heartbeat. However for EFI I want to stick with one of the single planes (prob Arrow Racing) or one of the stock plastic ones. That TB adapter kit OCP makes is sweet, if I do end up using a single-plane I'm definitely getting one of those kits for it.
Khalid 1970 Plymouth Duster, 1993 Jeep Cherokee 4x4
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