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Pinging under load/ aftermarket intakes manifolds

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  #1  
Old 06-13-2013, 01:53 PM
Caseyjordanmurry Caseyjordanmurry is offline
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Default Pinging under load/ aftermarket intakes manifolds

Hey all. My 5.9 magnum pings under load. I assume it is because the plenum cover is leaking. Its also using some oil and gas mileage has dropped. Since I will have to remove the intake to fix the leak anyways I was thinking of swapping out the keg for an aftermarket one.

Hughes clams their intake to out preform the Mopar ones. Is this true? they also say it will improve the mileage. true?

The Mopar P5007790 intake says it requires modifications to use. what needs to be modified? Can I expect improvements in power and mileage?

Hughes http://www.hughesengines.com/Index/p...p?partid=24773

Mopar http://www.jegs.com/i/Mopar-Performa...oductId=750418
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Old 06-13-2013, 02:19 PM
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I think the general consensus is to go for the Mopar M1.. There's a few members with the Hughes and a few with the Mopar. They'll probably chime in sooner or later.


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Old 06-13-2013, 02:22 PM
dodge dude94 dodge dude94 is offline
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I honestly can't think of any modifications needed. But either redneck or Whiteknuckle will chime in, as they both have M1s.

The problem that I see with the M1 is that they are out of production, Mother Mopar isn't making them anymore. So prices will skyrocket and they will become scarce. So get it while you can, because that leaves Hughes and Mr. Hughes apparently is an *******.
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Old 06-13-2013, 03:48 PM
AtomicDog AtomicDog is offline
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I had the opportunity to pick up a good used M1 intake here locally off craigslist late last year. I passed on it, as the owner of the M1 intake stated that he lost a fair bit of low end throttle response with the M1 intake over the stock kegger intake manifold. I decided to perform the kegger mod and install a new plenum gasket, aluminum plate, bolts and washers. Fixing your plenum gasket on your existing intake should cure your pinging issue and help your fuel mileage, too..

Last edited by AtomicDog; 06-13-2013 at 03:51 PM..
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Old 06-13-2013, 04:21 PM
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WhiteNuckle rock climbs in his Ram and he loves the M1.
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Old 06-13-2013, 05:45 PM
Adobedude Adobedude is offline
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The M1 in the link is a 4bbl M1, it'll kill your low end, you want the 2bbl M1.

http://www.jegs.com/i/Mopar+Performa...07852/10002/-1
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Old 06-13-2013, 08:16 PM
Caseyjordanmurry Caseyjordanmurry is offline
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why would the 4 barrel version kill low end over the keg? id figure the more directed airflow would increase the velocity of the air? Im new to this EFI stuff so help me understand.
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Old 06-13-2013, 08:25 PM
dodge dude94 dodge dude94 is offline
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It requires more rpm to pull in more air to make the engine operate properly. Basically too much capacity for air, not enough air.
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Old 06-13-2013, 08:38 PM
Caseyjordanmurry Caseyjordanmurry is offline
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that's where im kind of confused. Doesn't the keg have more capacity than the 4 barrel? The pictures ive seen with the plenum cover off looks like its just an open plenum with runners that suck from the open space. Is this inaccurate?
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Old 06-13-2013, 08:52 PM
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No, that's right. The more open space means the air is moving at a slower velocity, which means it will run out of wind sooner.
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Old 06-13-2013, 09:46 PM
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I dont know if there is an intake with better low end that the kegger. That is ALL it has. The M1 is great, and with the right complimentary mods you will improve the low end and gain massively in the upper range.

On a stock engine though, you will lose a little low end
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Old 06-13-2013, 11:01 PM
Adobedude Adobedude is offline
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Quote:
Originally Posted by Ham Bone View Post
I dont know if there is an intake with better low end that the kegger. That is ALL it has. The M1 is great, and with the right complimentary mods you will improve the low end and gain massively in the upper range.

On a stock engine though, you will lose a little low end
It moves the power band up...I'm building my Ram for torque so I'm staying with the stock manifold.

On my Dakota I've gone from a 2bbl M1 to a 4bbl M1 and now I have an Indy 360M intake all in the quest for more top end speed, but my converter has increased as well...4000K now

Want the power to come on right away with a stock converter...Stay with a stock manifold. It's pretty hard to have a manifold discussion only...It's a sum of all parts.
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Old 06-14-2013, 08:56 AM
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Quote:
Originally Posted by Adobedude View Post
It moves the power band up...I'm building my Ram for torque so I'm staying with the stock manifold.

On my Dakota I've gone from a 2bbl M1 to a 4bbl M1 and now I have an Indy 360M intake all in the quest for more top end speed, but my converter has increased as well...4000K now

Want the power to come on right away with a stock converter...Stay with a stock manifold. It's pretty hard to have a manifold discussion only...It's a sum of all parts.
^^ This.

Kegger is better for bottom end due to runner length. Those long runners promote air flow at lower RPM. Of course, they also choke it off at higher RPM.

The M1 manifold is a single plane, short runner manifold. Designed more for mid-range, to high rpm. The two barrel flavor will give somewhat better response on a truck motor due to the SMALLER plenum area. (velocity over volume) Basically, with a two barrel throttle body on there, it fools the engine into thinking the runners are longer than they really are.

An M1, (2bbl) with proper supporting mods will actually give you MORE bottom end, then the kegger..... These motors in stock form are seriously under powered.
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Old 06-14-2013, 10:59 AM
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Quote:
Originally Posted by HeyYou View Post
^^ This.

Kegger is better for bottom end due to runner length. Those long runners promote air flow at lower RPM. Of course, they also choke it off at higher RPM.

The M1 manifold is a single plane, short runner manifold. Designed more for mid-range, to high rpm. The two barrel flavor will give somewhat better response on a truck motor due to the SMALLER plenum area. (velocity over volume) Basically, with a two barrel throttle body on there, it fools the engine into thinking the runners are longer than they really are.

An M1, (2bbl) with proper supporting mods will actually give you MORE bottom end, then the kegger..... These motors in stock form are seriously under powered.
^^^^ +1 on this statement.
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Old 06-14-2013, 05:28 PM
Caseyjordanmurry Caseyjordanmurry is offline
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I guess I will be repairing the stock intake if there is not benefit to replacing it. Is the hughes intake repair kit the way to go? also since I will be saving money by not buying a new intake I want to put it into an electric fan and spectre intake system. Has anyone been able to increase their mileage by doing this? Even if I picked up 1 mpg it would help quite a bit.
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Old 06-14-2013, 06:04 PM
dodge dude94 dodge dude94 is offline
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Don't buy Hughes, Mr. Hughes is a jerk and over prices his stuff.

Go on eBay and buy the plenum plate made by bwdakrt. He's a member here on DF and makes a very nice plate for $54. I have one myself and it works great.
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Old 06-15-2013, 06:48 PM
Caseyjordanmurry Caseyjordanmurry is offline
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I cant find the bwdakrt plate. I did however find a plate sold by trisa34 that $54. is this his new account?
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Old 06-20-2013, 10:53 PM
Caseyjordanmurry Caseyjordanmurry is offline
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checked to see if the plenum gasket blow tonight. Burnt oil on throttle blades, burnt oil on throats, and film of oil on intake floor. Yall have talked about the m1 intakes but what about the hughes intake?
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Old 06-21-2013, 12:10 AM
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Quote:
Originally Posted by Caseyjordanmurry View Post
I cant find the bwdakrt plate. I did however find a plate sold by trisa34 that $54. is this his new account?
Trisa34 is his wife. She's running the selling operation.
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Old 06-21-2013, 08:20 AM
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Quote:
Originally Posted by Caseyjordanmurry View Post
checked to see if the plenum gasket blow tonight. Burnt oil on throttle blades, burnt oil on throats, and film of oil on intake floor. Yall have talked about the m1 intakes but what about the hughes intake?
The members here who are running the hughes arent as active as those with the m1...as far as I know, it takes a bit more work to install it and the fitment isnt always 100% perfect...but those who have it seem to like it. hughes does provide a link to a pretty good step by step install procedure from some guy with a durango. i still can't make up my mind as to which i want, i go back and forth daily between the two.
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Old 06-21-2013, 08:20 AM
 
 
 
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