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Upper radiator air difuser

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Upper radiator air difuser - 4/29/2006 9:26:02 PM   
74scamp

 

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mnboy - can you post some pics of what you did to "open" this up to let cooler air to the air filter. Sounds like a good idea and I, for one, would like to know more about just what you did. I've looked at mine, but am not sure what you might have done. Did you cut it? More specifics, please

dave
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RE: Upper radiator air difuser - 4/30/2006 8:21:44 AM   
mnboy

 

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I will try to explain, but I know that a picture is worth a thousand words! Here, sort of step by step.
Turn on a shop light on the air filter and try to see it through the grill at the front of the car -- you can't. Neither can good clean cool air. Do this when you have the time to do it -- don't hurry. An hour or two should do it. RIGHT is when I am standing in front of the car looking at it. What you are going to do, is remove the right (driver's side) plastic radiator air dam and modify it. It is about two feet long, so you need room to remove it. The air dam covers the entire right side of the radiator and forces air into the radiator area. You are only going to remove a small amount of it to allow air to get to the air intake. With the hood open, look down on the top of the front cowling, just behind the front upper nose of the car sort-of between the headlights -- there are two black long covers. 1) Pull up slightly to unsnap them and remove them carefully. 2) Remove the hood latch (it will stay with the car since the cable is with it) and 3) remove the right horn completely -- the electrical wires will stay with the car also (this will allow more room). There isn't alot of room, so if you have a fat arm, or are an Arnold look alike, invite Skreech over to help you... 4) Locate the upper plastic pin holding the air dam and unsnap it, (a good thin bladed flathead screwdriver will work) do this by removing the center pin FIRST, THEN the plasic outer holder. 5) Lay down in front of the car and look through the thin slats just above the black air dam at the bottom front of the car, and remove the two pins holding the bottom air dam. Be careful here to take your time -- sharp screwdrivers and radiators don't mix. 6) Once the bottom plastic air dam is loose, find the lower plasic pin (it will be facing down towards the ground) and unsnap it, pull out the holder and the air dam is free. You should have found 4 plastic pins and holders and removed them. 7) Back on your feet, reach in and pull the plasic air dam toward the middle of the radiator where the hood latch was and carefully remove the air dam. 8) You will need a power jig saw. DO NOT cut the air dam in half! If you do, you have compromised it's ability and the dam will not fit properly. There is an opening where the hose from the transmission or power steering cooler runs to the engine, that is where the BOTTOM of your opening will be. Cut the plastic piece using care, a C-shaped area out of the upper top of the air dam -- you will be opening up the area just where the hose runs through, cut about 2 to 3 inches high but allowing the front (towards the front of the car) to NOT be cut -- this keeps the air dam together. 9) Put the air dam in place where it used to be in the car and LOOK to see you can SEE the air cleaner intake from the front of the grill, if you can, then put all four plastic pins back in, starting with the holders first, then the pins. Just push them in. The tricky one is the one facing down, but go have lunch and come back to it, it will go in -- no, don't leave it off, it holds the bottom of the air dam. 10) Bolt the right horn back on, then push on the electrical clip. 11) Carefully bolt the hood latch back on the same location it was removed from. Slight, slight adjustments can mean the difference here, make sure the hood closes nicely and in alignment with the car's nose and tighten the bolts snugly, after all adjustments are finished. 12) Push the plastic covers back on (left side first). Outside cool air is on the way! Note: I decided NOT to put any air deflectors toward the air intake filter, thinking rain might get onto the filter. I believe you always want your air filter DRY. Don't worry, plenty of air will now get to the filter.

< Message edited by mnboy -- 7/28/2006 7:32:24 PM >

(in reply to 74scamp)
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RE: Upper radiator air difuser - 4/30/2006 9:22:24 AM   
74scamp

 

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Thanks very much. Sounds like a good plan, and very, very good idea to get the cool air in there.

dave

(in reply to mnboy)
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RE: Upper radiator air difuser - 4/30/2006 10:50:42 PM   
baldyloxs


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I am also thinking if you remove the bottom engine cover will keep it cooler in there also .

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RE: Upper radiator air difuser - 5/1/2006 11:02:34 AM   
mnboy

 

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When you look under the car, the cover is the first piece underneath that starts the smooth flow of air under the car -- nothing protrudes lower except the wheels and tires. Looks kind of ground effects to me. This new Charger is well engineered and that cover keeps air from waffling up through the front end disturbing the front end aerodynamics. I certainly didn't have a wind tunnel when doing my modification, but I tried to keep it to a minimum and cut a spot that looked like it would not disturb the air flow to the radiator, yet supply air to a dead spot. Removing the entire bottom cover might cause the air to lift the front end also instead of pull it down.

(in reply to baldyloxs)
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