External Wastegate Placement
#1
External Wastegate Placement
I attached pictures of the wastegate and flanges I have and a paint edited pic of about where I am planning on placing the wastegate and dumping back into the downpipe.
The wastegate mounting flange will be welded on the rear primary, as close to the turbo mounting flange as possible (yellow oval is a representation). A tube will be welded from the downpipe to the other flange that mounts on the wastegate outlet in the approximate area by the green tube on the picture. I want to to try to get the green tube welded to the downpipe as far away from the turbo exhaust outlet as possible, but still keep the attachment point within the engine bay. For simplicity sake I don't want to run the wastegate dump tube 2 feet down the donwpipe and weld it into the downpipe under the car.
If the height of the wastegate can clear the hood and I deal with the turbulence of dumping the wastegate so close to the turbo exhaust outlet while keeping in mind that the total control of my boost spike prone dsm T25 will be a plus, do any of you guys/girls with previous turbo experience see any problem with where I'm planning on putting the wastegate?
Anthony
P.S. anyone have experience with welding the internal flapper closed after the factory wastegate is removed?
PICS ARE ON MIATA.NET BECAUSE I CAN'T UPLOAD PICS HERE YET
http://forum.miata.net/vb/showthread...10#post2344810
The wastegate mounting flange will be welded on the rear primary, as close to the turbo mounting flange as possible (yellow oval is a representation). A tube will be welded from the downpipe to the other flange that mounts on the wastegate outlet in the approximate area by the green tube on the picture. I want to to try to get the green tube welded to the downpipe as far away from the turbo exhaust outlet as possible, but still keep the attachment point within the engine bay. For simplicity sake I don't want to run the wastegate dump tube 2 feet down the donwpipe and weld it into the downpipe under the car.
If the height of the wastegate can clear the hood and I deal with the turbulence of dumping the wastegate so close to the turbo exhaust outlet while keeping in mind that the total control of my boost spike prone dsm T25 will be a plus, do any of you guys/girls with previous turbo experience see any problem with where I'm planning on putting the wastegate?
Anthony
P.S. anyone have experience with welding the internal flapper closed after the factory wastegate is removed?
PICS ARE ON MIATA.NET BECAUSE I CAN'T UPLOAD PICS HERE YET
http://forum.miata.net/vb/showthread...10#post2344810
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