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Old 06-27-2010, 11:17 PM   #8
Koji
Scooby Specialist
 
Member#: 21067
Join Date: Jul 2002
Chapter/Region: NWIC
Location: Bellevue, WA
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Quote:
Originally Posted by bigusnickus View Post
OP:
Try to ignore some of what was written above...some people are just misinformed.

If you have any more questions feel free to ask. I am a new Subaru owner but not new to welding (B.S. in Welding Engineering in fact).

Hope that helps!
Now we're talking.

This exhaust is for a car that makes the exhaust even less visible than it is on your average Subaru. I absolutely don't care what it looks like as long as it functions.

Welder wise I've got a Hobart 110v with an 80/20 mix of Argon and CO2. I got it off of CL and it came with a 10lb spool of .23 wire. It's been fine so far for what I'm using it for.

The exhaust is for a single turbo setup on a V6. I've been collecting bits and pieces of Subaru exhaust for years now (seriously) and I've got a ton of stuff saved up. The turbo is going to be a Subaru pattern turbo because I've got several laying around so they're a sunk cost.

Most guys who turbo this motor do it with the stock manifolds and I don't have a good reason not to use them. They've already got 02 sensor bungs for dual widebands which is what I plan to use for tuning along with a stand alone.

So...I've got to get from two pipes down to one (could use a Subaru uppipe with a Y), then a downpipe out the back to a cat and a short exhaust system.

I've got both stainless steel and mild steel uppipes and downpipes. Given I've got basically four flanges to weld would it be worth it to get a different shielding gas? I'm fine with buying a bottle of something different I just don't want to waste money. Would that level of oxygen content be a non-starter for use with mild steel?
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