1999 T3 turbo build (First timer) - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-20-2011, 09:46 AM   #21
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Are you planning on screwing that oil pressure sender right into the side of the engine? If so there's a good chance that it'll fracture that arrangement of thread adapters and leave a nice hole in the side of the engine for the oil pump to blast all your oil out of. Use a bit of flexible hose, make a little bracket and mount the pressure sender onto the chassis then connect it to the engine.
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Old 05-20-2011, 09:57 AM   #22
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Damn, that's a good point Peter. I will see what I can find at the local stores in the way of hoses. Thanks for the idea!
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Old 05-20-2011, 12:53 PM   #23
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Here are links to the Ebay wastegate options I mentioned earlier. The one that uses the V-band might make it easier to build a custom downpipe seems like it would flow a lot beter than machining what's on your turbo now. The other I think might be usable with the BEGI cast manifold and downpipe. Might be worth checking out.

http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWAX%3AIT

http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWAX%3AIT

Just out of curiosity, it looks like you could add a brace from your block to that tab on the bottom side of the bearing I wonder if that would prolong the life of your OBX manifold?
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Old 05-20-2011, 12:54 PM   #24
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there's a cheaper v-band outlet out there. My chinacharger came with one...they sell for $40.


all the bracing in the world cannot solve this issue of using aluminum foil tubing.
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Old 05-20-2011, 01:00 PM   #25
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Quote:
Originally Posted by Braineack View Post
there's a cheaper v-band outlet out there. My chinacharger came with one...they sell for $40.


all the bracing in the world cannot solve this issue of using aluminum foil tubing.
Brain, where did you find the v-band outlet? I was looking on Ebay for T-3 parts and those two were all I found.

The bracing was just a thought, If it were me I would go with the BEGI cast with the t3 flange.

I checked FM and i didn't see any T3 flanged manifolds, do they make one?
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Old 05-20-2011, 01:05 PM   #26
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I went back to ebay, just searched T3 instead of Garrett T3,

this with a EWG might be an option, BEGI has both the cast and S6 manifolds with T3 flange and EWG, just looking for options for you trick2789.

http://cgi.ebay.com/ebaymotors/T3-T4...item19c5970afb
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Old 05-20-2011, 01:11 PM   #27
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iirc you can ask both begi and fm to tap a cast manifold for t3 for you
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Old 05-22-2011, 02:18 AM   #28
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Well the A/F ratio gauge and O2 sensor kit came in today. Personally I like analog gauges better than digital, so I went with the AEM UEGO kit. Picked it up for $199.00 no tax free shipping.
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Old 05-23-2011, 09:56 PM   #29
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I finally found a thread...

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Old 05-26-2011, 05:01 PM   #30
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I would look into JGS for a manifold. They hold up very well, not the best flowing design but id bet it will work just as good as begis cast manifold and its slightly cheaper.
http://www.jgstools.com/turbo/index2.html
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Old 05-26-2011, 09:29 PM   #31
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awesome info in this thread for n00bs like me too.
/useless post
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Old 05-29-2011, 09:05 AM   #32
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Well the piece of **** OBX manifold came in and the ******* thing puts my compressor inlet right on the power steering pump and the outlet right on the frame.......damn it! So I admit, I was a dumbass and tried to take the cheap way out, now I will have wasted $80 after I ship it back and pay the restocking fee. Good news is I will be getting the BEGi cast manifold so I shouldn't have any problems with that. The intercooler kit came in as well so I will probably install what I can today and post up my progress this afternoon.
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Old 06-04-2011, 07:52 AM   #33
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Hey man, don't worry - if you are like me (and most other people on this forum) you just have to budget 10% of the build to dumb mistakes.
Let's see some pics of the build.
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Old 06-07-2011, 09:53 PM   #34
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When I bought my 94 it was very poorly boosted. It had one of those SS tubular crap manifolds. It of course cracked, I fixed it, it cracked, I braced it, it cracked. I ordered an M-Tuned manifold. Waited 2 and a half weeks and got a call saying they're discontinuing it. They refunded my money. I had the turbo and was really wanting to get the car on the road. So I got out the grinder and the welder and made it happen.

Don't mind the hose clamp, lol I ran out of the nifty ties to hold the heat wrap on.

It is now a top mount T3 manifold with a GT30. Since the weight is now more firmly pressed on and not hanging it distributes the weight better. I'm going to also create a brace to the car to help support it. Spending the extra 80 dollars to return it and get a real manifold was a good idea. I've spent way to much time on a manifold i'm still not happy with.
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Old 06-14-2011, 01:19 PM   #35
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I had similar issues with mine in not finding a manifold.

Luckily a buddy threw the towel on his setup and my hands on a custom good one.

I am looking for a site that sells the custom manifolds, but cannot find it at this time.

Here is a link of one I found online, it may help... http://www.braeautofab.com/
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Old 06-19-2011, 12:24 PM   #36
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Default Update finally!

Well I have been really busy at work and haven't had much time to post. The install and all the fabrication is done now and the car is running. I had purchased a reducer from Summit Racing, it was a 3 ply turbo reducer, but it was very poorly constructed and blew a hole the first time I hot boost. I am only running 3-4 psi now due to the massive boost leak. I have ordered a new reducer that should do the trick.

I also fabricated a new midpipe and center exit exhaust. They seem to flow pretty well and it sounds great to me. I have a Flowmaster super 44 muffler and a straight midpipe with no cat or resonator. I will record a sound clip and post it once the boost leak is fixed

Here are some update pics:

BEGi cast mani tapped for the t3 turbo


IAT sensor tapped into the IC


Coldside of the IC


Engine pics




I will be making heat shields today so I will post again this afternoon to show more progress.
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Old 06-29-2011, 09:10 AM   #37
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Trick...where are you? Have you received my emails?
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