Turbo exhaust elbow modification

Portuga · Apr 14, 2011

Hey Guys!!

So after being directed to this thread: http://www.oilburners.net/forums/showthread.php?t=36100, i decided to attempt it.

I started today and here are the pics of the progress:

Cut here

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Rough line of what i have to grind

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After about 30-40 minutes of grinding away

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And here it is all ready for welding, which i will be doing tomorrow at work.

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And a little bit of truth ;p

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Basically gonna have an exhaust shop do a custom 3" downpipe into a 4" straight exhaust.

So far i got about $35 into it.

Ill update as i go along!

ghunt · Apr 14, 2011

Looks good, as long as you can weld that V-band flange on there without it warping (tried that on something with my old Thunderbird, warped the flange really bad).

There's a guy that does something exactly like that for Ford 2.3L turbo cars. The factory cast iron elbow is very similar to the ones on these trucks (except points in a different direction due to turbo orientation) with a 2.5" outlet. He cuts it off, and attaches a stainless 3" elbow to it, to which you can attach whatever sort of fitting or outlet you want.

I welded a slip fit connector on mine and used an accuseal type clamp on it, worked really well.

motoshop · Apr 14, 2011

Post more pics tomorrow once you get it welded together. I just purchased that same flange kit and am going the same direction, but I may use a PSD down pipe and buy a universal stack kit for it. I'd like to see the finished product though and see how the flange came out.

dyoung14 · Apr 14, 2011

Were did you get the flange? i need one too, im going to attempt this aswell

motoshop · Apr 14, 2011

dyoung14 said:
Were did you get the flange? i need one too, im going to attempt this aswell

Fleabay, 3" turbo flange kit...

Portuga · Apr 15, 2011

I'm gonna weld the v-band flange carefully and a bit at a time so warping doesn't happen.

The flange i got was this one: http://cgi.ebay.com/ebaymotors/ws/e...0758794659&viewitem=&sspagename=STRK:MEWNX:IT

hesutton · Apr 15, 2011

Very nice modification! Something for the Factory turbo guys to improve their exhaust flow and another option other than the ATS mod.

Heath

dyoung14 · Apr 15, 2011

did it come with a flange to weld onto the downpipe so it can be clamped on?

ghunt · Apr 15, 2011

Dyoung you can buy complete v-band flange kits with clamp...

Just search 3" vband kit or something like that.

Portuga · Apr 15, 2011

The one i bought is a kit. 2 flanges and a clamp. I got the mild steel one, there are some that are stainless.

dyoung14 · Apr 15, 2011

Portuga said:
The one i bought is a kit. 2 flanges and a clamp. I got the mild steel one, there are some that are stainless.

So that kit will have on flange for the outlet? and one flange for the downpipe? and the clamp?

And its better to get mild steel i guess, cause i have never welded stainless nor do i think i have the welding equipment

Portuga · Apr 15, 2011

Thats correct!

Dsl_Dog_Treat · Apr 15, 2011

hesutton said:
Very nice modification! Something for the Factory turbo guys to improve their exhaust flow and another option other than the ATS mod.

Heath

Plus for those that have the turbo but no downpipe. ;Sweet

ghunt · Apr 15, 2011

dyoung14 said:
So that kit will have on flange for the outlet? and one flange for the downpipe? and the clamp?

And its better to get mild steel i guess, cause i have never welded stainless nor do i think i have the welding equipment

Stainless welds just like regular steel, it's not a big deal or anything...only thing is that if you don't use stainless rods the welds will rust while the rest of it won't.

jmac212 · Apr 15, 2011

dyoung14 said:
And its better to get mild steel i guess, cause i have never welded stainless nor do i think i have the welding equipment

Welding stainless is not as daunting as it may seem, depending on the process used and your skill/comfort level with said process. TIG, MIG, and Stick are three of the most common processes. If you have a wire feed mig and the correct gas, it welds very similar to mild steel. A spool gun could also be used. TIG is my choice if you have the equipment and the skill. Stick is an option, although not the most desirable for this application.

Hey Portuga, i notice you are just around the corner from me. I am in Buckingham. If you ever want to swap ideas, or need a welder while not at work, or just want tell stories and drink a beer, PM me.

Turbo exhaust elbow modification

Portuga

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ghunt

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motoshop

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dyoung14

Is getting worn out

motoshop

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Portuga

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hesutton

The Anti-Anderson

dyoung14

Is getting worn out

ghunt

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Portuga

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dyoung14

Is getting worn out

Portuga

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Dsl_Dog_Treat

I lost my face to the jaws of a poodle

ghunt

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