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New intake manifold???

Started by Tarzan, July 05, 2008, 05:57:49 PM

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Tarzan

Want to buy the Edelbrock rpm intake manifold for my 440 block, but I have heard that it wont fit my 69 charger.

Is this true? That it wont fit because of the height of the intake. I have the holley sd and it should not be much higher than that + I have a drop base for my air cleaner as well.

If this wont work, what should I get instead of the rpm intake? Looking for the same effect as the rpm..

Rolling_Thunder

i believe the performer RPM will wit with a drop base air cleaner - you can always use a 2" tall filter.    :2thumbs:
1968 Dodge Charger - 6.1L Hemi / 6-speed / 3.55 Sure Grip

2013 Dodge Challenger R/T - 5.7L Hemi / 6-speed / 3.73 Limited Slip

1964 Dodge Polara 500 - 440 / 4-speed / 3.91 Sure Grip

1973 Dodge Challenger Rallye - 340 / A-518 / 3.23 Sure Grip

FLG

If you use the drop base air cleaner make sure you go with a K&N cover with the filter built on the top...the drop base sits to close to some carbs starving them of air.

firefighter3931

The RPM manifold will clear with a 14x3 air cleaner assembly that has a 1.25in drop base.

If I had an SD and was looking for a little more bottom end power/throttle response i would install a 1in 4 hole spacer and use the above mentioned air cleaner assembly.  :Twocents:


Ron
68 Charger R/T "Black Pig" Street/Strip bruiser, 70 Charger R/T 440-6bbl Cruiser. Firecore ignition  authorized dealer ; contact me with your needs

Tarzan


Charger-Bodie

Quote from: Tarzan on July 05, 2008, 07:22:53 PM
This is the K&N filter I have (dropped) + the 1401 filter top.

http://store.summitracing.com/partdetail.asp?autofilter=1&part=KNN%2D60%2D1280&N=700+115&autoview=sku

http://store.summitracing.com/partdetail.asp?autofilter=1&part=KNN%2D66%2D1401&N=700+115&autoview=sku


So If I get the Eddy rpm intake it will fit without any other problems????

I have an eddy rpm on my 505 stroker. I used the ford motorsport(reccomended by Chris 6t9) drop base bottom and the unsilenced factory style top and a k&n filter in the stock size.
68 Charger R/t white with black v/t and red tailstripe. 440 4 speed ,black interior
68 383 auto with a/c and power windows. Now 440 4 speed jj1 gold black interior .
My Charger is a hybrid car, it burns gas and rubber............

Chryco Psycho

I would be looking at the Street Dom intake similar powerband with lower height

68charger440

Quote from: Charger-Bodie on July 05, 2008, 07:28:52 PM
Quote from: Tarzan on July 05, 2008, 07:22:53 PM
This is the K&N filter I have (dropped) + the 1401 filter top.

http://store.summitracing.com/partdetail.asp?autofilter=1&part=KNN%2D60%2D1280&N=700+115&autoview=sku

http://store.summitracing.com/partdetail.asp?autofilter=1&part=KNN%2D66%2D1401&N=700+115&autoview=sku


So If I get the Eddy rpm intake it will fit without any other problems????

I have an eddy rpm on my 505 stroker. I used the ford motorsport(reccomended by Chris 6t9) drop base bottom and the unsilenced factory style top and a k&n filter in the stock size.
I am looking to add a 1/2" phenolic spacer to my setup to deal with some vapor lock issues.  I have the eddy rpm intake also on my 500" stroker.  Do you have 1/2 " extra clearance on yours that you could fit a spacer in there under the carb? Mine has a Holley 870 Street Avenger.
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!

BSB67

Quote from: Tarzan on July 05, 2008, 05:57:49 PM
Want to buy the Edelbrock rpm intake manifold for my 440 block, but I have heard that it wont fit my 69 charger.

Is this true? That it wont fit because of the height of the intake. I have the holley sd and it should not be much higher than that + I have a drop base for my air cleaner as well.

If this wont work, what should I get instead of the rpm intake? Looking for the same effect as the rpm..

Does everyone here except me know what he has motor and drivetrain wise?  A lot of recommendations here.  I always thought that the motor might have something to do with choosing the right intake. :shruggy:

Sorry for being silly....carry on.

500" NA, Eddy head, pump gas, exhaust manifold with 2 1/2 exhaust with tailpipes
4150 lbs with driver, 3.23 gear, stock converter
11.68 @ 120.2 mph

fy469rtse

I'm with BSB67, motor stock ? rebuilt , got a cam selection ready for upgrades ? heads,
dominator is a single plane , that will cause a whole lot of other issues on a ? stock engine cam set up

68charger440

Before you guys get too upset on this please note that it is a six year old post.  I just resurected it by asking the question about the spacer.  For that question I don't know or care about his build other that the fact that it was a 440 with an eddy rpm intake.  I just needed to know if it would fit with an additional 1/2 inch spacer under the carb.  So while you may have a good point it is irrelavent at this point since the original post was dead.  I would have started a new thread, but I asked and Troy said it is better to redirect an old thread sometimes rather than reinventing the wheel.  Maybe I shouldn't have resurected this one.  I thought it might cause some prolems.   :shruggy:
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!

BSB67

Quote from: 68charger440 on August 19, 2014, 09:19:44 PM
Before you guys get too upset on this please note that it is a six year old post.  I just resurected it by asking the question about the spacer.  For that question I don't know or care about his build other that the fact that it was a 440 with an eddy rpm intake.  I just needed to know if it would fit with an additional 1/2 inch spacer under the carb.  So while you may have a good point it is irrelavent at this point since the original post was dead.  I would have started a new thread, but I asked and Troy said it is better to redirect an old thread sometimes rather than reinventing the wheel.  Maybe I shouldn't have resurected this one.  I thought it might cause some prolems.   :shruggy:

Thanks....missed that.  But in staying with my theme of being a jerk tonight, I have to ask, can't you just measure if you have clearance?  For the time it took to ask, you could have measured. 

500" NA, Eddy head, pump gas, exhaust manifold with 2 1/2 exhaust with tailpipes
4150 lbs with driver, 3.23 gear, stock converter
11.68 @ 120.2 mph

68charger440

I did measure it and it is so close that I wanted to get a little reassurance from someone who had the same setup if I could.  I ordered the spacer anyway and will just be real careful when closing the hood for awhile.  I think I will be lucky if I have a 1/4" of room once it is in.
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!

polywideblock

quick way to see how much space you have is to use a 2"-3" square piece of the green foam that florists use to hold flowers in place .it squashes down without damaging anything and stays at whatever height the space in-between is so that you can get an exact measurement  :Twocents:

have used it for years to gauge air cleaner to hood distance    :yesnod:


  and 71 GA4  383 magnum  SE

BSB67

Quote from: 68charger440 on August 19, 2014, 09:57:15 PM
I did measure it and it is so close that I wanted to get a little reassurance from someone who had the same setup if I could.  I ordered the spacer anyway and will just be real careful when closing the hood for awhile.  I think I will be lucky if I have a 1/4" of room once it is in.

Right.  And the problem is that any little difference in production tolerances could be the difference between someone having a 1/4" clearance and the next guy having a 1/4" interference.  Your motor will sit higher by installing new motor mounts.

This I can tell you, it can work.


500" NA, Eddy head, pump gas, exhaust manifold with 2 1/2 exhaust with tailpipes
4150 lbs with driver, 3.23 gear, stock converter
11.68 @ 120.2 mph

68charger440

Great idea!  I was trying to think of something that would crush down like that and I came up blank. :2thumbs:
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!

Charger-Bodie

I just read in another thread that a guy used his camera phone to video the space as he shut the hood. Seems lik a really good idea to me.
68 Charger R/t white with black v/t and red tailstripe. 440 4 speed ,black interior
68 383 auto with a/c and power windows. Now 440 4 speed jj1 gold black interior .
My Charger is a hybrid car, it burns gas and rubber............

68charger440

Quote from: Charger-Bodie on August 20, 2014, 07:55:21 AM
I just read in another thread that a guy used his camera phone to video the space as he shut the hood. Seems lik a really good idea to me.
Might be worth a shot.  A snapshot. :lol:
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!

firefighter3931

A Styrofoam cup also works a measuring tool for hood clearance.  :icon_smile_big:

Make sure your driver side engine mount has been properly reinforced ;

http://www.dodgecharger.com/forum/index.php/topic,13216.0.html



Ron
68 Charger R/T "Black Pig" Street/Strip bruiser, 70 Charger R/T 440-6bbl Cruiser. Firecore ignition  authorized dealer ; contact me with your needs

68charger440

Quote from: firefighter3931 on August 20, 2014, 08:38:21 AM
A Styrofoam cup also works a measuring tool for hood clearance.  :icon_smile_big:

Make sure your driver side engine mount has been properly reinforced ;

http://www.dodgecharger.com/forum/index.php/topic,13216.0.html



Ron
Yeah, I've been down that road before with a broken mount and a big round hole cut into my radiator by the fan.
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!

BSB67

Quote from: 68charger440 on August 20, 2014, 07:01:17 AM
Great idea!  I was trying to think of something that would crush down like that and I came up blank. :2thumbs:

Modeling clay, loosely crumpled aluminum foil..... 

500" NA, Eddy head, pump gas, exhaust manifold with 2 1/2 exhaust with tailpipes
4150 lbs with driver, 3.23 gear, stock converter
11.68 @ 120.2 mph

68charger440

That lightly crumpled foil was the best of all of the suggestions.  I just tried it.  It took very little pressure to collapse it  and it didn't spring back very much if any at all. Unfortunately, my original measurements were spot on and I will only have 1/4 inch of clearance.   Now, any guesses as to how much upward twist/lift there will be when I romp on the motor assuming I don't rip the motor mount?  :shruggy: I'll do Ron's suggested fix for that.
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!

myk

'OP could always get a CH4b...

68charger440

Quote from: myk on August 20, 2014, 05:58:49 PM
'OP could always get a CH4b...
I'm pretty happy with the street manners of the Eddy, so I would rather make it work.
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!

flyinlow

I just pulled the SD off my 73 to put a RPM on it . I set the intakes side by side , The RPM is about 3/4" taller.

I have a RPM on the '70 with a holley and 3x14 drop base. Its close, but fits.

terrible one

Quote from: 68charger440 on August 20, 2014, 05:23:02 PM
That lightly crumpled foil was the best of all of the suggestions.  I just tried it.  It took very little pressure to collapse it  and it didn't spring back very much if any at all. Unfortunately, my original measurements were spot on and I will only have 1/4 inch of clearance.   Now, any guesses as to how much upward twist/lift there will be when I romp on the motor assuming I don't rip the motor mount?  :shruggy: I'll do Ron's suggested fix for that.

I've done the reinforcement on the motor mount and can say that I literally have about 1/16" or less of clearance between the air cleaner and the hood skin and it does not make contact under load. With an insulation pad there would be no chance though. I don't think you will have a problem with 1/4" if you do the motor mount mod. Now the whole car lurches to the side when you romp on it instead of just the engine  :lol:

myk

Christ man I guess I'll just stick with a CH4B...

68charger440

Quote from: terrible one on August 21, 2014, 03:55:46 AM
Quote from: 68charger440 on August 20, 2014, 05:23:02 PM
That lightly crumpled foil was the best of all of the suggestions.  I just tried it.  It took very little pressure to collapse it  and it didn't spring back very much if any at all. Unfortunately, my original measurements were spot on and I will only have 1/4 inch of clearance.   Now, any guesses as to how much upward twist/lift there will be when I romp on the motor assuming I don't rip the motor mount?  :shruggy: I'll do Ron's suggested fix for that.

I've done the reinforcement on the motor mount and can say that I literally have about 1/16" or less of clearance between the air cleaner and the hood skin and it does not make contact under load. With an insulation pad there would be no chance though. I don't think you will have a problem with 1/4" if you do the motor mount mod. Now the whole car lurches to the side when you romp on it instead of just the engine  :lol:
That's great to hear.  My insulation pad is long gone and not at the top on the list of things I care about, so this is a good excuse to turn down the dial on my give-a-sh#%ter even more on the insulation pad.
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!

68charger440

Well I installed the spacer and gaskets, and the air cleaner did hit the hood just barely.  So I broke out the high speed cutter and cut 1/2" off of the base of the air cleaner.  Filed off any burs and put it back on.  The high speed cutter and file worked so well that you can't even tell that it had anything cut off.  It works great and now I can breath a little easier concerning the clearance.  Mine was an aftermarket low profile Edelbrock air cleaner so it may not work on other air cleaners.
When someone is absolutely 100% sure they know exactly what your problem is and how to fix it, it's time to ask someone else!