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-   DIY Turbo Discussion (https://www.miataturbo.net/diy-turbo-discussion-14/)
-   -   Ho-Made Manifolds (https://www.miataturbo.net/diy-turbo-discussion-14/ho-made-manifolds-55951/)

pusha 03-01-2011 04:54 AM

Ho-Made Manifolds
 
Sup dudes,

I'm pretty fucked up atm, so, in addition to blasting some Outlaw Country music, I'm kicking around the idea of fabbing up my own turbo manifold.

I currently have this pile of shit:

http://www.r1spec.com/ebay/gsp/TURBO...o)/miatadp.jpg

Yes, I want to make my car more reliable. I've got the cage, the weighted shift and the Longacre mirror. All that's left is a reliable turbo setup and I can go racing!!!

About me:
  • Pimp
  • Novice welder
  • Awesome
  • STD free
  • College student
  • Orally fixated
  • Independently wealthy
  • A gentile

When it comes to welding a manifold, I believe I am capable of such a task with my novice MIG experience. While I don't exactly have the girl, I have all the tools, lots of alcohol, some spare cash, the determination and, most importantly, a week off school.

So my plan is this:

1. Buy some weld elbows
2. Put them together
3. ???
4. build positive boost pressure and lift all up and down my street

Am I nuts for attempting this?

Has anyone had any experience with something like this:

http://www.jgstools.com/turbo/index2.html

Thanks in advance,

I'm passin' out.

railz 03-01-2011 05:59 AM


Originally Posted by Pusha (Post 695657)
Sup dudes,

I'm pretty fucked up atm, so, in addition to blasting some Outlaw Country music,

Fashooo

miatamike203 03-01-2011 07:25 AM

Have fun with that Jake.

gospeed81 03-01-2011 07:59 AM

No one here has ever welded their own manifold...and you're crazy for attempting it.

hustler 03-01-2011 08:00 AM


Originally Posted by Pusha (Post 695657)
Sup dudes,

I'm pretty fucked up atm, so, in addition to blasting some Outlaw Country music,

Hell yeah, motherfucks.

leatherface24 03-01-2011 10:39 AM

Jake just have my friend Rick build it right the first time. Hes the one who made my manifold.

wittyworks 03-01-2011 11:18 AM

The first log manifold i made was not supa pretty, but it worked pretty damn well, and wouldn't have cracked if i didn't grind down the welds. If you get that kit, use a pretty high amperage when welding, and spend some time with a die grinder smoothing out the inside, should work pretty well.

18psi 03-01-2011 11:28 AM

twin GT42r's or you're a bitch

pusha 03-01-2011 05:10 PM


Originally Posted by 18psi (Post 695735)
twin GT42r's or you're a bitch

I'm already kicking around the idea of selling my C5.

Reverend Greg 03-01-2011 06:52 PM

If you make your own Ive got the Hook ups on weld els....they are Low low....Holla at yer boy....
(G)

Gotpsi? 03-01-2011 07:25 PM


Originally Posted by gospeed81 (Post 695675)
No one here has ever welded their own manifold...and you're crazy for attempting it.

Umm there are plenty of members here that make there own, and sell them too.

greendrifter 03-01-2011 07:26 PM

4 Attachment(s)
ive built my own, 2 years on and its still going strong,

its very basic, not too pretty but works and was cheap.

i used heavyweight weld on fittings, cut the flange off my old standard manifold, and as said used a die grinder,

but used stick welding, not MIG, also as said, DON'T grind the welds flush, as i did :facepalm:

Attachment 190642

Attachment 190643

Attachment 190644

Attachment 190645

tasty danish 03-01-2011 08:31 PM


Originally Posted by Gotpsi? (Post 695964)
Umm there are plenty of members here that make there own, and sell them too.

sarcasm FAIL :giggle:

y8s 03-01-2011 09:49 PM

http://fc09.deviantart.net/fs12/f/20..._sureality.jpg

Stein 03-01-2011 10:03 PM


Originally Posted by greendrifter (Post 695966)
ive built my own, 2 years on and its still going strong,

its very basic, not too pretty but works and was cheap.

i used heavyweight weld on fittings, cut the flange off my old standard manifold, and as said used a die grinder,

but used stick welding, not MIG, also as said, DON'T grind the welds flush, as i did :facepalm:

Holy shit, stick welded mani FTW, I think...




Smells like lemons.

Stein 03-01-2011 10:10 PM


Originally Posted by Pusha (Post 695657)
I'm pretty fucked up atm

I'm kicking around the idea of this pile of shit

I can go racing!!!

About me:
  • Novice welder

I believe I am capable of such a task with my novice MIG experience.

I have all lots of alcohol and a week off school.

So my plan is this:

1. Buy some weld elbows
2. Put them together
3. ???
4. build positive boost pressure and lift all up and down my street

Has anyone had any experience with something like this

I'm passin' out.

There is no artistic license taken in this quote. I only deleted sections between quotes. It is from a babe's mouth but I do believe that it is destined to catch the last failboat to leave the harbor.

Reverend Greg 03-01-2011 10:12 PM

For many reasons stick welding might be the best way to assemble said manifold......But I think torch welding would be best...A little more Homogeneous...alloy wise....
(G)

danotakulus 03-01-2011 10:33 PM

I'm kinda in the same 16g failboat. Here's my 3 options(opinions):

1. Create the manifold exactly like the Chinese shit one so you can re-used your dp. only problem is the close proximity to the hood/ brake lines.

2. Create the manifold in a way that the turbine housing is place forward; more like the cast iron T3 eBay piece. You would have some more clearance from the brake resivior(sp?), but would still have to fabricate a odd looking downpipe.

3. make a bottom mount log style manifold. Keeps heat away from the brake system, & makes fabricating the downpipe easier.

underdog 03-02-2011 09:14 AM

My advice based on the very good results I've had with my setup would be to buy this manifold for $140 shipped, pick up an inexpensive T3 frame turbo, and then use your welding skills to build a nice (and simple) downpipe. You could probably use most of the piping from the one you already have.

Then you can sell the Mitsu turbo, which should cover most or all of your costs! The Ebay cast manifold is bulletproof as far as I can tell. If you build one yourself "is it going to break today?" will always be in the back of your mind.

Vashthestampede 03-02-2011 09:46 AM

If you were truly "baller" like you claim to be you'd have ordered a setup from either Abe or Tim by now.

Really though, its probably better that you stick with making your own. A hack job half assed manifold would sit right at home on that bucket of yours. :bigtu:


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