I, as with so many with the stock SMIC wish to have cooler air going to the filter. One option is to seal off the Filter from the engine bay. I did this and it was not enough. I was not seeing sufficient cool numbers as I thought. Many with the FMIC has the advantage of running a duct from the SMIC location to the area under the filter and with the addition of a homeade filter box, they can see great benefits.
Well I needed this now. So I invented a way to have the SMIC and the benefits of the front face hole to bring ambient are to the filter.
I'm going to describe the steps on making this thing and pics can be found RIGHT HERE
The materials used:
One aluminum air duct 3 inches x 8 feet (Compressed to a shorter length)
A few bolts that had laying around with nuts.
An aluminum sheetmetal piece.
A plastic Unbreakable clear vent deflecter. (its one of those that has magnets and just directs air flow at 90 degrees)
Silicone adheasive
Scissors and a Dremel
A fan (To test theory)
Silicone adheasive
I cut the air duct at an angle but keeping the round shape. Traced the same shape on the intercooler shroud on the left side and cut that out. I cut 1.5 inch strips of aluminum. I bent the aluminum strips to the shape of the inside of the air duct on one end and angled it to the angle I wanted the air duct to go. Bolted it down to the aluminum duct. I did this 3 times kinda like a triangle to hold the air duct to the area on the intercooler shroud. Bolted to the shroud as well. The Air duct was bolted so that it angles upwards rather than straight from the shroud. Than took the Plastic air deflector and cut it to fit inside the intercooler shroud. This was to direct air to the air duct, without sacrificing the air flow to the intercooler. I tested it first without the deflector and noticed that practically all of the air flowing through the shroud to the core would exit the air duct because of resistance to pass the intercooler. (Air always flow in the path of least resistance.) The deflector is there to primarily separate the air flow into 2 paths. Retested this theory and worked exactly as planned. Air flowed through the intercooler and through the air duct. Mind you a simple fan does not represent air ramming into this shroud at 20 miles per hour. For sure not even a representation of air flowing at 70mph. As air flows through the air duct, I noticed that the aluminum air duct cooled down. This leads me to beleive that as air flows through there, air might cool a little more. Than I bolted the deflector to the inside of the intercooler shroud. I than sealed off all openings around the aluminum air duct to the plastic shroud with the Silcone adheasive. I sealed the air deflector as well on the inside. I also used silicone to "Build up" a ramp for air to flow towards the air duct hole in the air deflector chamber. I used a clear silcone here to see clearly what I was doing and black to match the shroud. Let it dry over night than placed it inside my car the next morning to dry further because inside my car gets like an oven during the day. Than install. The link has a step by step (With pictures) of the install.
Now for the results. When the air temps went to 80, went for a drive. Immediately temps started to drop. Went to 67 degrees!!!! Outside temps were 65 degrees. Than went back home (Was a short drive, just cruising like 10 miles) popped the hood and touched the filter.... COLD. Touched where the duct shoots air to the underside of the filter.... REALLY COLD! Than for the ultimate test. I let the air temps go up to about 110 degrees. Than went for a drive. Within 1/10th of a mile temps went down to 90 degrees! After a mile and a half or so temps went down to 80 degrees!!!! Thats 30 degrees of drop. I didn't drive more so it could have went lower but it was enough for me to be convinced. This will really help for those hot summer days. Comments are welcomed.
Well I needed this now. So I invented a way to have the SMIC and the benefits of the front face hole to bring ambient are to the filter.
I'm going to describe the steps on making this thing and pics can be found RIGHT HERE
The materials used:
One aluminum air duct 3 inches x 8 feet (Compressed to a shorter length)
A few bolts that had laying around with nuts.
An aluminum sheetmetal piece.
A plastic Unbreakable clear vent deflecter. (its one of those that has magnets and just directs air flow at 90 degrees)
Silicone adheasive
Scissors and a Dremel
A fan (To test theory)
Silicone adheasive
I cut the air duct at an angle but keeping the round shape. Traced the same shape on the intercooler shroud on the left side and cut that out. I cut 1.5 inch strips of aluminum. I bent the aluminum strips to the shape of the inside of the air duct on one end and angled it to the angle I wanted the air duct to go. Bolted it down to the aluminum duct. I did this 3 times kinda like a triangle to hold the air duct to the area on the intercooler shroud. Bolted to the shroud as well. The Air duct was bolted so that it angles upwards rather than straight from the shroud. Than took the Plastic air deflector and cut it to fit inside the intercooler shroud. This was to direct air to the air duct, without sacrificing the air flow to the intercooler. I tested it first without the deflector and noticed that practically all of the air flowing through the shroud to the core would exit the air duct because of resistance to pass the intercooler. (Air always flow in the path of least resistance.) The deflector is there to primarily separate the air flow into 2 paths. Retested this theory and worked exactly as planned. Air flowed through the intercooler and through the air duct. Mind you a simple fan does not represent air ramming into this shroud at 20 miles per hour. For sure not even a representation of air flowing at 70mph. As air flows through the air duct, I noticed that the aluminum air duct cooled down. This leads me to beleive that as air flows through there, air might cool a little more. Than I bolted the deflector to the inside of the intercooler shroud. I than sealed off all openings around the aluminum air duct to the plastic shroud with the Silcone adheasive. I sealed the air deflector as well on the inside. I also used silicone to "Build up" a ramp for air to flow towards the air duct hole in the air deflector chamber. I used a clear silcone here to see clearly what I was doing and black to match the shroud. Let it dry over night than placed it inside my car the next morning to dry further because inside my car gets like an oven during the day. Than install. The link has a step by step (With pictures) of the install.
Now for the results. When the air temps went to 80, went for a drive. Immediately temps started to drop. Went to 67 degrees!!!! Outside temps were 65 degrees. Than went back home (Was a short drive, just cruising like 10 miles) popped the hood and touched the filter.... COLD. Touched where the duct shoots air to the underside of the filter.... REALLY COLD! Than for the ultimate test. I let the air temps go up to about 110 degrees. Than went for a drive. Within 1/10th of a mile temps went down to 90 degrees! After a mile and a half or so temps went down to 80 degrees!!!! Thats 30 degrees of drop. I didn't drive more so it could have went lower but it was enough for me to be convinced. This will really help for those hot summer days. Comments are welcomed.