TIG Welding Stainless Exhaust | Twin Turbo Mustang

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On this episode of The Fab Forums I finish weld all the stainless exhaust on the twin turbo mustang build "Gray Goose", I got over back purging and show you how I heat wrapped the lower sections.
Welcome to The Fab Forums. My name is Kyle Voss and I produce Custom Motorsports Fabrication content of all forms for you. Carbon Fiber, TIG Welding, Metal Shaping, Hot Rods, Muscle Cars, Custom Choppers, and everything in between. I work hard to bring you new content on a weekly basis.
Here are some of the builds you can find on this channel.
I have built several Chevy trucks on this channel. The first was my 1964 C10 named Crown Spoyal and the most recent C10 truck project was the 1969 I currently have named the Black Pearl.
I am also finishing up a custom twin turbo Ford Mustang build I call the Gray Goose. It’s a 400 cubic inch Windsor style engine with twin 70mm turbos. I am hoping to make around the 1000 horse power mark to the tires on this particular build.
Last but not least is the one off custom hot rod build called the Bibbster. This is what I call a modern day hot rod. It’s made from an old Ford Mustang foxbody, but made to look like an old school open wheeled hot rod.
I also feature other fabricators and shops like Cutworm Specialties hand formed aluminum wide body kit for a BMW e46. Jeb Greenstone has also built a twin turbo, coyote powered model A style hot rod from scratch, and is currently building a Toyota TE72 wagon drift car powered by a 1UZ Lexus v8. Jeb’s custom fabrication skills are fun to watch and always make for good videos.
Check out my playlist to see some or all of these builds.
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[@GoheenCycles]

You weren't kidding. You have been doing lots of tig welding lately! Keep at it man!

[@Thefabforums]

+Goheen Cycles yeah for sure

[@devilstangsjustin8165]

Love seeing your build progress over time!

[@Thefabforums]

awesome. thanks for watching

[@Mayhemspent]

Another awesome episode Kyle. I watch ya vids in the morn with my coffee before i get started for the day in my own workshop. Because of your channel, I just posted my first ever vid of a future build I'm starting. So from the sunny Gold Coast, all the way downunder.... "GO DO SOME WORK MATE". 👍

[@Thefabforums]

+Mayhemspent that's awesome...thanks

[@jedistreamz4542]

So beautiful made me cry 😭 thank you

[@1armedguy4]

That's where a turn table makes welding a breeze for certain joints !!

[@Thefabforums]

+1armedguy yeah for sure

[@skywalker5978]

you did ok for a garage welder. You were clean in the process mad props for trying. wrong cup size and on butt joints no need for filler rod. other than that shit bro you got er done!!!!!!!

[@Thefabforums]

no idea what your talking about

[@G-GFactoryMade]

whoa for a sec i thought ratatat was playing. your stainless tig has gotten pretty darn good man! a tip that i have always done with exhaust wrap was to wet it and then wrap it to get a tighter wrap.

[@Thefabforums]

+G&GFactoryMade thanks

[@nosparkplugproductions4617]

Awesome work

[@WestCoastChomeur]

Very cleans welds ! Greets from France !

[@Thefabforums]

thanks

[@jungtir]

You can also use solar flux for the back side make a slurry and brush the back area and it works like back purge just Cheaper

[@Thefabforums]

yeah it makes such a mess though

[@orijinalproductions4204]

Very nice. Good.

[@Thefabforums]

thanks

[@boosted2.4_sky]

Nice word Kyle... badass as always!...

[@Thefabforums]

+Craig Cundiff thanks

[@allendodson9881]

Beautiful Job , Car Looks Awesome but you I'am sure You already know that, So Great Work ............................Kyle.

[@Thefabforums]

+Allen Dodson thanks man

[@cfraser650]

A good way to do the wrap is soak it in bucket of water then put it on. Not sure if it shrinks a bit after it drys or what but always seemed to be tighter that way for me.

[@Thefabforums]

yeah some stuff is meant to be applied dry...

[@DodgyBrothersEngineering]

Thanks for the question and answer I was wondering that myself. I've only done it once wet.

[@Bustedsm]

It'll expand it wet and then when dried it constricts pretty tightly. I've always done it that way and it works super well even if you have a spot that got a little loose on ya.

[@ballsoutperformance]

Ive always done all my wraps wet. standard fiberglass and titanium wraps. Like mentioned, it seems to stretch and contour well that way. Never tried ir dry.

[@cosprint]

That Eastwood of yours seems to work well. Glad your working with it. not to many people talk or show that machine. with all the different welders out there it's hard to choose. Thanks

[@muckman5509]

Can you make a video on how to weld hanger rod onto the pipe ?

[@juiced71]

Super nice brother!! 👍👍👍

[@Thefabforums]

thanks

[@TheMick26]

Very nice fab work and welds, Kyle. Been keeping up with your progress on Instagram... everything looks great, man!👍😍

[@Thefabforums]

+TheMick26 thanks

[@AgiDaKinG]

I really need to learn how to TIG, would make projects SO much easier

[@Thefabforums]

yeah its nice but very time consuming

[@Irishluckily]

I second the time consuming part. You learn to have a few tungstens presharpened. Not to mention the extra equipment/consumables which aren’t cheap. Just jump right into like I did. I don’t regret it, well until my gas runs out lol

[@geronikos4374]

Nice work!! Beautiful welds!!!

[@Thefabforums]

Thanks

[@eleanorstang0794]

Your a beast brother. keep it up. Love the videos.

[@Thefabforums]

+Eleanor Stang07 thanks

[@marvinlokers7412]

Nice welding video kyle use the back argon White aluminium also use a gap of 0.3mm 0.2mm set angel on it so you lay your last weld over it get stronger weld use the pulse amp switch to 30+-amp and frequency on 100+- play whit it LOVE TO HERE IT RUN I FOLLOW YOU EVER STEP THE WAY Let it smoke the rap band Loves and hopes for your New shop greatings from Holland marvin lokers

[@marvinlokers7412]

I AM not a welder I was a baker first (Hihi)

[@marvinlokers7412]

Love for the peaple that Got no home no more by those hurricane s

[@larryelcamino]

please make a video about back purge set up. great channel!

[@Thefabforums]

+larryelcamino I will see what can do. Thank

[@davidwhite9906]

I gotta get that Furick ceramic cup!

[@Thefabforums]

+David White its sweet!

[@celsoguajardovillarreal]

Excelente trabajo allí va quedando muy bien. Saludos.

[@Thefabforums]

Thanks

[@faustinomartinez6744]

Esta super la antorcha esta de maravilla.

[@Thefabforums]

thanks

[@makantahi3731]

wrapping exhaust, it could melt, and rust ( i wrapped it and it was melted on 4 in 1 junction and rusted, because wrap collected salt from road in winter) and at the end , wrap was destroyed by high temperatures (titan wrap up to 1400c)

[@valmetremington5447]

Thanks for this.

[@Thefabforums]

no prob

[@ridemotoeveryday]

Just found this channel. Im into the same shit...just getting started. Very informative. Thanx.

[@Thefabforums]

thats awesome

[@s.e.motorsport8150]

Love your vids bro. Could you advise a good quality budget tig for making boost pipes and exhausts/manifolds? Need to start teaching myself tig so I can further the amount of things I can fabricate in house. 🙏🏽

[@superkas]

love ur work man!

[@Thefabforums]

thanks

[@dylanmorrison3252]

Thanks for the tip 🖒

[@Thefabforums]

no problem

[@1badhsc]

Hope to see the goose at foxtoberfest

[@jimstover6747]

I see the cup info now. LOL

[@darstac9929]

You need to soak the wrap before you install and spray it so that it seals up!

[@Thefabforums]

not this stuff

[@thomasjenkins7745]

Great vid as usual. Can you comment or maybe do a vid about dealing with warping when welding V bands or just welding things that you really don't want to warp? I've had trouble with it lately. Thank you

[@Thefabforums]

+Tom J thanks

[@alcyr5655]

I might of missed it in the video. When back purging do you continuously feed Argon, while welding, or only back purge enough to displace the oxygen. Do you recommend it for aluminum exhaust. I only have a Miller mig. with aluminum spool gun. I'm thinking spool gun to tack it together, and one of the welders at the shop can finish it with tig. But now I'm thinking about stress points at the welds.

[@Thefabforums]

+Al Cyr yeah you want a constant flow while you weld. I don't backpurge aluminum

[@rickcperry]

Ooops, Nosebleed at 11:00? Nice vid bro

[@Thefabforums]

+Rick Perry lol...allergies

[@discountoutdoorstore]

Wow...monster tungsten stick out with that cup...how far out was it? What kind of gas flow did you need to run it like that? Looks like it would be handy for working around tubing and tight spots.

[@Thefabforums]

flow was around 25....this was actually minimal stickout

[@fpbibi]

Put your heat wrap in water before installation. The installation is easier and you put it on more thight

[@Thefabforums]

Not supposed to use water on this wrap

[@fpbibi]

@@Thefabforums for fiber glass wrap I always use water. I don't really see how it could hurt. It will see rain and snow outside. Maybe your is different material? Here's one source I have found knowhow.napaonline.com/how-to-install-exhaust-heat-wrap/

[@inthegarage342]

As always great video. My wife has got to where every time I go to the garage she uses your line. Go do work son.

[@Thefabforums]

+Stanley Williams lol

[@666MadDog]

it helps when you drown the wrap into water.. or beer.. also smells nice then :D

[@Thefabforums]

+666MadDog lol....this stuff was meant to use dry

[@weldingjunkie]

The exhaust will heat it up. all you people saying to wet it, not all are made to be wet lol holy moly whoosa whoosa

[@thisdj83]

There are better end fittings you can use so that you don't get turbulence in your pipe system. They are butt welded instead of slip on. BTW. If your fit is tight, you don't need to add rod to your butt welds. Enjoyed the video.

[@Thefabforums]

these are stepped and not slip fit

[@whitepear8308]

So you just splice your line from your tank to your welder to back feed the pipe with gas?

[@Thefabforums]

yeah

[@whitepear8308]

Cool thanks

[@mrjoltcola7587]

Another option if you already have a backup tank, is to use a 2nd tank with a standard flowmeter. I have a backup tank in case I run out on Saturday or mid-weld or just dont have time to run to the welding supply shop, and a cheap standard flow meter is about $40 which is cheaper to add to your kit than a cheap dual flow meter ($92 -ish). Of course, if you are tig welding, you probably aren't afraid of spending money in the first place because it sure isn't cheap to get setup... :) - Plus you can purge with Nitrogen instead of Argon if you do a lot of it, might be cheaper to use Nitrogen in the 2nd tank. Personally, I'd rather have the 2nd tank of Argon around.

[@cafrogg2016]

Love your channel and.your dog. Puppy dog just wants to hang out. I'd like to get one of your grey flex fit hats (XL). Hopefully you get some more in stock soon.

[@Thefabforums]

thanks....shouldnt be too long on hats

[@RCbasheracer]

what brand welding helmet is that? always watching ur videos. good info

[@sttm1283]

and its easier if you apply the exhaust band wet (let it soak a few hours prior to installation.)

[@Thefabforums]

+Micke yeah this stuff said not to wet it

[@sttm1283]

ok. well best to follow instructions :D it may differ between brands then

[@weldingjunkie]

It’s not for exhaust repair for holes lol you don’t wet this stuff.

[@romanavila8784]

Cool

[@keemoblk]

what size tungsten and filler rod are you using

[@delemerson2206]

I know this is old, but im just now starting tig, what settings are you on?

[@jpcallan97225]

Have you ever used nitrogen instead of argon for the back-side purge on stainless? Nitrogen (N2) is much cheaper than argon, and while N2 can't be used for all metals (like titanium because N2 reacts with Ti), it works well for most stainless alloys. I use N2 in repairs of restaurant kitchen stainless furniture and counter tops made from 304 with excellent results. I do air conditioning and refrigeration work, so I have plenty of N2 on hand; it is commonly used to purge the air from A/C and refrigeration systems before evacuating, and then filling with refrigerant. If you do a lot of back-side purges, a cylinder of nitrogen will pay for itself quickly. Why the use on N2 as a back-side purge isn't better known, I can't explain.

[@Thefabforums]

no but I will have to give that a try

[@sorryvista]

Looking good dude. How are you liking that ceramic cups cup?

[@Thefabforums]

love it

[@Terry_Baker]

Great video as usual Kyle. BTW, did you go to school for welding or just learn by trial and error??

[@Thefabforums]

+Terry Baker trial and error...still learning

[@terrellhubert5753]

Next time you use the heat wrap soak it in water for some time. It wraps a lot better.

[@Thefabforums]

this stuff says specifically not to put it in water

[@ButBigger42]

You wrapped it to cover up those shitty welds. J/k You're a better welder than me. Looks good. The new Furick cup is the first thing I noticed.

[@Thefabforums]

+Angry Beard Man lol

[@austinhayden873]

Question for ya, when you back purge, do you keep the free flowing argon going as your welding as well as the gas from the machine as your tigging it together?

[@Thefabforums]

yeah. you will always want argon back flowing. Once I have the back side of the part fully purged I will turn the flow down some though.

[@devinberry1534]

I heard you say it the grey goose is driveable . Can you please post a video of it.

[@Thefabforums]

+Devin Berry I will once I get everything sorted

[@bigcliffe]

Whats the temperature in your shop....and will the new one be about the same....I am in 30 deg C and I need to use a fan in the work areas ...all the time.

[@Thefabforums]

probably 85 deg F.....the new shop will have heat and air

[@STUDlO305]

How are you liking the fupa cup?

[@Thefabforums]

+ANDRXW love them...always have

[@jacoponono8179]

I am learning how to do the same thing. I am more experienced at tig welding aluminum, but I've never tried stainless steel. I hope it will be an easy transition. I have to do some modifications to a car that already has an aftermarket stainless steel 304 exhaust. I will be cutting the pipe and making it shorter in one section. The problem here I am worried about is that the exhaust has about 10,000 miles of driving on it. No winters, just miles. I'm sure the inside will be "carboned up". How do suggest I adjust for this? I assume I should fill it with argon with the tin-foil trick like you do. Can you offer any advice?

[@Thefabforums]

if you can weld aluminum, steel is easy

[@adamrush1240]

What was your amperage set at?

[@damukingchappie2604]

You still got that tig200? I need more info on the Setting. Project looks good 👍🏽👍🏽👍🏽

[@Thefabforums]

+Warrior Of Area 777th yeah that's what I used for this tubing

[@team8th]

What was the settings u used in the video

[@jacobsidorov]

more welding videos!

[@Xcursed111111]

Did you create any lambda nut at the pipe? I just can't drill stainless. I tried slow with water and oil but no effect. Thinking of making a hole by weld but it is really tricky.

[@Thefabforums]

I did. I made them on both sides

[@Xcursed111111]

Which video I can search for it? Which way did you prepare the hole?

[@sttm1283]

my first thought is, how will you merge stainless to aluminum? in my n00bworld it doesnt work :D

[@deuce454]

imagine a v band connection ... even slip over ;-)

[@sk8erEkaJ]

whyd you use worm gear clamps instead of those stainless ties on the wrap?

[@Thefabforums]

Mainly because I could get the worm gear ones tighter. I may add the stainless ones later

[@cafrogg2016]

What about those ties used for axle boots? They need a special tool to tighten them down but it's a cheap tool. The ties have a very small width but hold strong. I use them because I have to swap boot ends to make an OEM axle fit in my swapped chassis.

[@gunsntorches]

How are those ceramic fupa cups?

[@Thefabforums]

+Guns N' Torches awesome

[@BimboBrims]

Quick question. Where can i buy the pipe to fab this up?

[@Thefabforums]

ace race parts, stainless bros, amazon, race part solutions....

[@rustydog6010]

Have you ever tried using SOLAR FLUX B ?

[@Thefabforums]

+rustydog6010 no. It can't be use on joint welds that can't be reached. Plus I don't like how it works

[@rustydog6010]

So you have tried it then? What I have found is, you can put it on before you tack the tubes together, or you can add handle length to an acid brush to get back into tubes that are a bit of a reach. I've been using it since about 1985 and I haven't seen you do anything in these vids where it couldn't be used. I wouldn't use it on Food industry type parts but this racecar-street rod stuff is greet for it.

[@Thefabforums]

I dont really care for the quality of the shielding on the back side it provides

[@jimstover6747]

What cup are you using? talk about alot of stick out.

[@Thefabforums]

Its the Furick Cup

[@skywalker5978]

Jim stoner give advise and teach! You got the knowledge!!

[@1990notch]

Aluminum tubing? Do you mean aluminized steel exhaust tubing?

[@Thefabforums]

nope aluminum

[@michaelegan6092]

Interesting video,Cannondale tried to make a motocross machine where the 2 header pipes were too short and too close to the suspension unit.It overheated and contributed to the bikes failure.So called engineers made these decisions but you knew it with horsesense.What does this tell you about qualifications?. I learned to TIG weld st.st at a professional course in France and was told to pass the argon through the highest part of the tube to purge it and the evacuation hole was at the bottom. WHAT?. I did it the other way around and it worked fine .What does this tell you about qualifications?. How many fools are there out there?.

[@abec666]

What was the amperage ? on the vband welding?

[@Thefabforums]

I dont remember

[@mrgreenswelding2853]

What grade aluminium do you use for exhaust?

[@Thefabforums]

I have always just used intercooler pipe which I think is 6061 (not sure) but a lot of guys use schedule ?? pipe.

[@styledliving]

are you using a length of filler from a wire spool for this? I was trying to use er308l 1/16" rod to fix my friend's exhaust and i quickly realized it was way way way to thick. that and I was working outside with a fast breeze. hah hah... the arc kept blowing away from me.

[@Thefabforums]

no just tig filler wire...several different sizes

[@brapppforum]

When are we gonna see that car run?

[@Thefabforums]

It runs now

[@Grater812]

How does these v-bands works on exhaust? I'm planning to make a new exhaust on my jeep but some guys told me that these v-bands leaking.

[@Thefabforums]

not good ones...you want the v band sets that are stepped. Something like this amzn.to/2xpXtag

[@emertwall9427]

Have u ever tried the merman flanges i think thats what their called any ways their a military design and best v band i have ever used 100 % wont leak

[@bikefan8150]

Where did you get that clamp from ??

[@Thefabforums]

kzbin.info/www/bejne/fqe0f4OhZrNol9U

[@1991CALYPSO]

My OCD is killing me looking at the Goose and the 5.0 emblems in the wrong place on the fenders. Please fix :)

[@Thefabforums]

+1991CALYPSO lol...low on the priority list. Will most likely just leave them off

[@1991CALYPSO]

That would look clean too.

[@mikeyeah1418]

just curious but what kind of welder are you using

[@Thefabforums]

Its a TIG welder

[@mikeyeah1418]

yea i got that much what make and model tig welder

[@Thefabforums]

@@mikeyeah1418 I use several. I think I was using the Eastwood Digital TIG 200 in this video.

[@mikeyeah1418]

awesome the reasonni was asking is because i just ordered a eastwood 200 ac/dc not the digital i saw the eastwood banner in your garage i am hoping im going to be happy with this im taking a tog welding class and in horrible at this right now never welded anything before i hope i got the right machine

[@notarun1]

I spot a new ceramic fupa

[@Thefabforums]

lol....yeah its awesome

[@OtisAdonisChad]

What's the dislikes for.

[@casualguy393]

4:57, what is the name of the song please?

[@andrewc0128]

It is an excellent song right? I'd love to know the name of it also

[@jud-asinsmith-stansell2022]

Why wouldn't you just use stainless all the way out the back?

[@Thefabforums]

weight....if I end up having issues with the aluminum I will probably re do it in stainless

[@bridger911]

When that exhaust wrap gets on your skin that shit is itchy as FUCK

[@Thefabforums]

yeah for sure

[@BloodtrailProduction]

What's up with the tissue in your nose. Lol

[@Thefabforums]

+HuntFishPlayHawaii allergies

[@BloodtrailProduction]

Love the vids Bro 👍🏽.....

[@Thefabforums]

thanks man

[@twayland6186]

Its called fashion. Look it up

[@bgradesexyness]

Cheap respirator

[@UnklbubbasGarage]

Do work .. SON

[@busancun]

It is just an ad, worthless.

[@Thefabforums]

an ad?

[@jimstover6747]

its a shame to do all this fab work for a SBF. Toss is a LS and experience real HP

[@Thefabforums]

lol....it will make as much as any LS

[@bitsurfer0101]

what kind of pipe joint are you using?

[@Thefabforums]

are you talking about the v-band connections?

[@bitsurfer0101]

It's the rolled lip on the tubes. what is that called?