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Join Date: Oct 2007
Location: Idaho
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Where to get C2 elbow or alternative

Our host seems to sell these but it is a special order. Anyone know of an alternative elbow? I assume that I can get a silicone albow and then attach a BOV to the IC correct?
Old 03-22-2010, 05:49 PM
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Here are photos of two alternatives for plumbing the BOV discharge into the turbo inlet ducting, one photo shows a factory elbow modified with a 1" aluminum flange and a short connector hose (places the valve in the stock C-2 turbo location), The other photo shows a steel 1" elbow bolted to the connector tube between the A/F meter elbow and the turbo inlet steel duct, Both work equally well.
Regards, Lou
Old 03-22-2010, 06:21 PM
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If you contact Kokeln directly, they sell an installation kit which inlcudes the 90* rubber elbow, the Al connection pipe, and the recirc valve.....
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Old 03-22-2010, 06:42 PM
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Quote:
Originally Posted by aerodyn930 View Post
Here are photos of two alternatives for plumbing the BOV discharge into the turbo inlet ducting, one photo shows a factory elbow modified with a 1" aluminum flange and a short connector hose (places the valve in the stock C-2 turbo location), The other photo shows a steel 1" elbow bolted to the connector tube between the A/F meter elbow and the turbo inlet steel duct, Both work equally well.
Regards, Lou
How does the 1" aluminum flange mount to the elbow in the first picture? I assume this is a custom piece and it is inserted from the inside of the elbow.
Old 03-22-2010, 07:25 PM
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An elbow just sold on eBay for $30. I almost picked it up, just because, but I already figured out an alternate way to do the updated BOV without it.
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Old 03-22-2010, 07:31 PM
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Doesn't the factory elbow go from say 4" to 3" and then the aluminum adapter takes it from 3" to 2 1/2" (or some similar numbers?).

You could probably get a 90* silicone elbow and have a muffler shop make a reducer for you. No idea if this is cost effective.
Old 03-22-2010, 08:06 PM
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Quote:
Originally Posted by A930Rocket View Post
Doesn't the factory elbow go from say 4" to 3" and then the aluminum adapter takes it from 3" to 2 1/2" (or some similar numbers?).

You could probably get a 90* silicone elbow and have a muffler shop make a reducer for you. No idea if this is cost effective.
Maybe I could use a straight metal pipe and use a reducer piece like this.
SR-250-300-BK
Old 03-22-2010, 08:32 PM
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I have build this a while ago, machined from alumiunium.
It fits straight on the 930 elbows, bov can be connected easy.



Falk
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Old 03-24-2010, 12:08 AM
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Quote:
Originally Posted by Falk930 View Post
I have build this a while ago, machined from alumiunium.
It fits straight on the 930 elbows, bov can be connected easy.



Falk
It looks like it has a step in the pipe instead of a taper. Does that cause problems with the air flow? It has nice machining.
Old 03-24-2010, 04:15 AM
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forwheeler, the aluminum piece is optimized for flow.
There is no step inside, its a cone ( hopefully my english fits here ~)
More, on the bigger side the edge was cutted with a nice radius.
For flow, the part is fine, much better then the 930 original piece.

Falk
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Old 03-25-2010, 10:22 AM
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Ah yes, very nice!
Old 03-25-2010, 10:40 AM
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