End-all Be-all plenum thread

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Jun 23, 2011 | 01:11 AM
  #51  
Fixing to do the fix and I'm scared to death of breaking a manifold bolt off... Any good ideas to keep from doing this?? I plan on soakinf them in some sort of good penitrating oil..i heard that mopar sells a good one??
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Jun 23, 2011 | 09:45 AM
  #52  
Quote: so i have a question again.... on summitracing and eldelbrock the fi airgap for magnum motor the part number is 7576 and 7577 which is on both websites but it looks different from hughes website and half the price. So are they similar?
If its an "Edelbrock FI Airgap, For Dodge Magnum Engines" <- or something like that, it SHOULD be the same. Just cheaper. Hughes marks them up because they can. They make stuff for Dodges, so they feel compelled mark it up. Though, I do think that Hughes has more to it that just the manifold, I think that there is some hardware included, possibly unlike the stock Edelbrock. Other than that, its the same.
Quote: Fixing to do the fix and I'm scared to death of breaking a manifold bolt off... Any good ideas to keep from doing this?? I plan on soakinf them in some sort of good penitrating oil..i heard that mopar sells a good one??
Chances are, you will break a bolt off.

Yeah, Mopar Rust Penetrant is good. Supposedly just blasts that stuff away. Some of the users on here have used it, but only when they needed to, its expensive. You have to get it at a dealer.
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Jun 23, 2011 | 10:11 AM
  #53  
The hughes comes with the the TB adapter you will need. I think the other two are set up for a four barrel? and the 7577 doesn't have the holes for the injectors.
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Jun 23, 2011 | 12:28 PM
  #54  
This really isnt that bad folks, just time consuming. I as well broke a bolt off, then precided to break a bit off in the bolt and then alos broke a tap off in the hole after I got the bit out......ugh. Turned into a 12 hr project.

One thing, the guy on here that sells the alum plates, hole 15 on mine was a tad off. Had to take a round file to it. but for $60 and just that hole being slightly off, I'm not complaining!

Ended up putting a 180 thrumo in while I was at it. Someone was in my engine before. The gasket was new but yet it still had blown out again. I'm sittin pretty now. Pulls through all the gears much stronger, runs better and even bumped my AMGP up by 1. Gotta like that.

Now onto some cosmetic work!......oh, and I need to get my hands on a tuner. Gotta clear out that deathwipe.

I took some pics, I'll upload them later.
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Jun 23, 2011 | 06:03 PM
  #55  
well after going for a longer drive i found out my motor is comsuming oil , so i believe along with that and the spark knock that its the plenum so i gotta get this fixed sometime soon, only problem is that i work 6 days a week and only have 1 vehicle so not much time to do this...
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Jun 23, 2011 | 06:27 PM
  #56  
One day is enough!
Just pray you can get all the bolts out without much trouble.

Or there's always the cheap rental...
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Jun 24, 2011 | 12:35 PM
  #57  
i am having problems keeping up with traffic and slight trouble getting up hills, but i am using NO oil and i never hear a spark knock
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Jun 24, 2011 | 01:42 PM
  #58  
Check your cat. Pull the front O2 sensor, and see if the problem doesn't get some better. (you will get a CEL for the sensor......)
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Jun 25, 2011 | 12:31 AM
  #59  
Okay last question before i start early morning. Do I need locktite in any of the bolts? And should go ahead and buy a tap for a bolt since you guys say they like to break? 70k miles do you think they will break?
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Jun 25, 2011 | 09:25 AM
  #60  
You will need some blue locktite for the the plenum pan bolts.

Tap the intake mainfold bolt holes whether you break off any bolts or not. You want them fellers nice and clean when you are torquing the intake back down. Dirt and such in them will give you inaccurate torque readings, and since there is so little torque on them to begin with.... you don't want 'em loose.
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