Intake Manifold Porting
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Intake Manifold Porting
Been a long time since I have been around here. Actually drive an Outlander but the few things I have done were based on information from this RA section. Anyways quite a long time ago I did the Eclipse GT TB swap but I never did anything to the intake manifold, and honestly with the RRM UDP having been installed quite a time prior to the TB swap I really didn't notice it. Recently I decided to pick up a spare intake manifold and put my dremel to work and ported this spare intake manifold. Re-reading the TB swap thread there are comments about the IM being 62mm opening but it measured to 60mm for me.
Anyways I cut it open so the initial section in the flange is now a full 65mm and the smallest cross section in the short distance to the main chamber I opened to 63mm. Now I'd like to open it all the way to 65mm in this short section but I have concerns about how much material is safe to remove and how this the walls need to be in this section before it could potentially become an issue.
Anyways I cut it open so the initial section in the flange is now a full 65mm and the smallest cross section in the short distance to the main chamber I opened to 63mm. Now I'd like to open it all the way to 65mm in this short section but I have concerns about how much material is safe to remove and how this the walls need to be in this section before it could potentially become an issue.
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First practiced polishing on a spare 4G69 TB.
Before starting any work on the IM
Current state photo 1
current state photo 2
This is the area i'm concerned about removing too much material from.
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