whats this hole for?
hey i have a s4 TII manifold sitting at home to for my 12a turbo project and i was thinking about something and it makes me uber curious.
ok here... can you guys tell me what the hell is the purose of this hole? http://i141.photobucket.com/albums/r...anifoldwtf.jpg in case your wondering ive made an adapter to bolt the s4 manifold to my 12a that consists of a 13b flange and a 12a flange welded together by 2 1/8" of heavy wall pipe...so i already welded up this hole cuz frankly i didnt know wtf it was doing there in the first place:egrin: i also removed the twin scroll and welded it oh and this pic is not mine i just stole it from some forum member cuz im at work and cant take a pic of my welded up manifol |
EGR port, judging from the position.
Originally Posted by rxmadness
(Post 10112665)
...i already welded up this hole cuz frankly i didnt know wtf it was doing there in the first place...
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The 6 port 12A manifold also has that. I assume it is for aux port activation. The EGR port is on top of the intermediate plate on both engines (6 port NA). What that hole is doing on a turbo mani, I couldn't tell you. Probably an S4 thing.
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Originally Posted by DivinDriver
(Post 10112959)
EGR port, judging from the position.
:wallbash: |
huh egr i guess i never figured it would be for that...well with my 13b to 12a flange i made that hole is completley pointless
thanks |
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