Tightening begi upper and lower downpipes - Leaking - Loosening - Page 3 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-29-2009, 04:05 PM   #41
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^that's exactly what I use dawgs

Mine liked to blow off as soon as I got into boost. I ordered one of the sturdy band clamps from Jeg's and it's stayed put since April...and I drive like a total ******* douchebag.
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Old 10-29-2009, 07:31 PM   #42
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the rattle from the damn bolt is freaking annoying

So can we remove the pipe in 1 piece from the car from the bottom with out removing the turbo??
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Old 10-29-2009, 07:32 PM   #43
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I can on mine, not sure about the typical t25. But i gave you a really good solution...
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Old 10-29-2009, 07:45 PM   #44
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serious guy listen to the man......
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Old 10-29-2009, 09:26 PM   #45
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Only way your gonna know for sure is to get under the car and try.
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Old 10-29-2009, 10:20 PM   #46
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yeah will do tomorrow. I'll try to rip it off and hope it comes out since i hell dont feel like pulling the turbo and loosening the studs that i worked so hard on trying to tighten...
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Old 10-30-2009, 01:17 AM   #47
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You can take it out from under the car. No problem. If it is a BEGi-S downpipe (with little or no vent tube) then the likely hood of contact in the tranny tunnel is greatly reduced. However, you will still run the risk of the downpipe making contact somewhere.

A lot of people have told me the spring on the bolt works wonders. You just have to be careful it is not too big and makes contact in the tranny tunnel. My cross bolt flew off ages ago and never got replaced. As long as the pipe stays in position, it can go with out the cross bolt. Or you could also try wiring it too. Some have told me that works.
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Old 10-30-2009, 01:21 AM   #48
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for some reason my pipe can fall off fairly easily. I can push it back and it would fall off if nothing is holding it. Thats the main reason why i was concerned and got it welded. Tomorrow i'll try to pull it and get it welded all around assuming weather is not too bad.

Think of the lower pipe disconnecting from the upper pipe and getting cough on a nice hole pushing the entire exhaust back through the bumper.. aahh the possibilities

Last edited by triple88a; 10-30-2009 at 01:39 AM.
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Old 10-30-2009, 04:11 PM   #49
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hey what do you know, not just rain but enough rain to flood half the streets. Doesnt look like i'll be pulling it today :( man i hate chicago.
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Old 10-30-2009, 06:17 PM   #50
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I'm surprised we don't see more exhaust done like dirt bikes do it - tabs on each pipe, and two or three springs to hold it together. It gives, it's easy to install, it won't let go.

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Originally Posted by shuiend View Post
2.5" V-Band FLANGE Kit Stainless Steel Turbo Downpipe

This kit? I may have to pick up that kit and have a local exhaust shop add those in this winter.
I don't know if it's that EXACT one, but it's the basic idea. They are so cheap, why not? And putting it on is something could you do ugly with a ~$100 welder, or pay a shop $25 bucks to do. Should be a walk in the part. It works great, though it's a little hard through between the tranny and the tunnel, but not VERY hard at all. I'm a huge fan of it, never going back.

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Can't blame us for that one sorry. Not Corky's design idea. Better get back with someone else on that.....

BTW - that is the only downpipe I have seen break like that. Chances are you have something pulling on it.
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Oh! Sorry, I thought it was. Glad to hear it, cause really, it was just plain aweful. I can never tell what's yours and what's theirs.

I'm not sure what was tugging on it. Certainly it's been through a lot of iterations, so I doubt the same thing is even there anymore.
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Old 10-31-2009, 04:03 PM   #51
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Well what do you know? the pipe came off. Took a little bit to figure out how to pull it off but it came off. Spin the pipe towards the passenger side of the car and it should come out.

Honestly i rather pay 20 bucks extra in shipping but get 1 piece pipe than to have to **** around with the damn thing for a month after i install it trying to figure out how to fix it.
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Old 10-31-2009, 05:08 PM   #52
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Lesson of the day, when cutting off the loops for the bolt, cut them off completely, dont try to break them off no matter how little material is holding them. Put a nice hole in the pipe since even though it was a tiny bit of material left on there it was still enough to rip a hole in the pipe after i tried to break it off.
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Old 10-31-2009, 06:12 PM   #53
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Sucks to hear that. I think the metal gets weak from rust and heat cycling.
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Old 10-31-2009, 06:14 PM   #54
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If you're sitting on extra money, this is something I never thought I would say... Get a $80 harbor frieght welder. It's a total piece of ****, barely works, etc... But it gets me out of SO many problems, I've fixed chairs, several freind's exhaust, all sorts of little things.. The better ones are supposedly a lot better, but it's amazing how useful ANY ability to weld at all is.
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Old 10-31-2009, 06:43 PM   #55
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I live in a building and the closet downstairs has just enough room for the body that i'm keeping there. Adding a welder in there would be impossible :( Once i get a house with a garage i will get a welder in a heart beat. Anyhow i got it all welded now and ready to go on the car. Now the fun stuff.. how to get it back in there
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Old 10-31-2009, 08:17 PM   #56
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all done now on to the store and see if it leaks. i did take few pics of my pipe before installation.
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Old 10-31-2009, 09:14 PM   #57
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No leaks, no noticeable gasses inside the cab. High Five

Surprisingly it went in very easily. Twist it towards the passenger side, put the pipe up it, then slowly push up and once it hits something twist it towards the back of the car in position.

here is how i had it so i can tighten it
DSCF0002.jpg

Surprisingly they welded it quite a bit
DSCF0003.jpg

DSCF0004.jpg

As far as the hole i made i cut a little piece that they welded.
DSCF0005.jpg
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Old 11-01-2009, 06:03 PM   #58
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Welds look okay. Its hard to tell in the pic but is that porosity or slag on the mig welds. I personally would of TIG'd it but thats because im a perfectionist.
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Old 11-01-2009, 06:06 PM   #59
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honestly man i could care less.. 20 bucks for the entire thing most shops here charge about 50 for that. I got my jeep welded.. roughly the same job.. 60some bucks :(
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Old 11-02-2009, 09:46 AM   #60
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did they weld the top section?
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