The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Vintage Air Installed

Steven R · 07-08-2018, 03:13 PM

take a piece of plastic shaped with a curve and hot glue or JB weld it in place to redirect about 65 percent of the air to the pass side of the vent. basically making a scoop. I have had to do this in my line of work with duct work just out of metal.

The air is moving so fast and is being asked to turn 90 deg with a large opening right at the point of exit. It will just try to keep going straight as there is not enough duct or deflectors to turn the air effectively. If it helps think of the Air like water, with a "scoop" right at the end and going far back into the tube as possible it will help alot to redirect a large amount of air more to the passenger side of the vent. and with less pressure on the driver side of the vent it to will come out the vent more toward the center of the opening.

This will take some trial and error but try to make some test piece out of stiff card board, and when you get what will work for you, then make a final piece out of plastic and JB weld it in, dont leave the cardboard as it will rot and brake down over time. also make sure the plastic is ridged enough not to vibrate, most plastics can be formed with heat and if kept in that shape until cool will retain that shape.

just and idea.

07-08-2018, 03:13 PM	#4
Steven R Registered User Join Date: Jul 2015 Location: landmark, MB Can Posts: 288	Re: Vintage Air Installed - center vent blowing left? take a piece of plastic shaped with a curve and hot glue or JB weld it in place to redirect about 65 percent of the air to the pass side of the vent. basically making a scoop. I have had to do this in my line of work with duct work just out of metal. The air is moving so fast and is being asked to turn 90 deg with a large opening right at the point of exit. It will just try to keep going straight as there is not enough duct or deflectors to turn the air effectively. If it helps think of the Air like water, with a "scoop" right at the end and going far back into the tube as possible it will help alot to redirect a large amount of air more to the passenger side of the vent. and with less pressure on the driver side of the vent it to will come out the vent more toward the center of the opening. This will take some trial and error but try to make some test piece out of stiff card board, and when you get what will work for you, then make a final piece out of plastic and JB weld it in, dont leave the cardboard as it will rot and brake down over time. also make sure the plastic is ridged enough not to vibrate, most plastics can be formed with heat and if kept in that shape until cool will retain that shape. just and idea.