TD04/TD05 fitted in place of T25/T28
#29
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I have a question regarding my OEM Lancer recirculating blow off valve.
I searched regarding recirculating BOVs and I guess it is normal that they open during throttle blips / high vacuum conditions?
My question is that it it shouldn't automatically mean that a stronger spring is needed? I will be running low boost as I have 315cc injectors/stock clutch/and paralyzed by fear even at 6psi![rofl](https://www.miataturbo.net/images/smilies/rofl1.gif)
I searched regarding recirculating BOVs and I guess it is normal that they open during throttle blips / high vacuum conditions?
My question is that it it shouldn't automatically mean that a stronger spring is needed? I will be running low boost as I have 315cc injectors/stock clutch/and paralyzed by fear even at 6psi
![rofl](https://www.miataturbo.net/images/smilies/rofl1.gif)
#32
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I made it this way as I had an existing t25/t28 manifold and downpipe on the car.
If I was starting from scratch I would use the TD04 13t but probably not the same piping route.
Unless you want built motor power then I think a mild steel log manifold would be OK.
This one I made for a friends car which we will fit soon.
(Recycled flange from old manifold, a few tees and elbows and some welding.)
![](https://www.miataturbo.net/attachments/diy-turbo-discussion-14/41593-td04-td05-fitted-place-t25-t28-p1020782.jpg?dateline=1335250139)
The turbo fits without clocking and the Subaru decat downpipe bolts up with a little flange rework.
Setups like this can be cobbled together for 100$.
![Giggle](https://www.miataturbo.net/images/smilies/gay.gif)
#33
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on the down pipe in your pic. What pattern is that and what is it used on. I have a china turbo i bought thinking it was t25 in and out but the down pipe flange is a wierd 5 bolt flange looks like your. I am trying to figure it out so i can sell it with correct info.
Thanks. Nice build
Thanks. Nice build
This pattern is found turbos from IHI and Mitsubishi for Subaru's, Impreza, Forrester, Legacy etc. so probably a good way to describe it would be a Subaru 5 bolt downpipe flange.
#34
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Ha ha ha ha, just read this thread again. Obviously I was running full retard when I hacked this together ![Loser](https://www.miataturbo.net/images/smilies/sign0058.gif)
I pulled it apart today as the #4 manifold runner started cracking.
![](https://www.miataturbo.net/attachments/diy-turbo-discussion-14/64617-td04-td05-fitted-place-t25-t28-p1030175_zpsaaf9a477.jpg?dateline=1358289465)
A year of abuse has taken its toll on some previously shiny bits.
![](https://www.miataturbo.net/attachments/diy-turbo-discussion-14/64618-td04-td05-fitted-place-t25-t28-p1030178_zps5805af1b.jpg?dateline=1358289465)
But it somehow held together.
![](https://www.miataturbo.net/attachments/diy-turbo-discussion-14/64620-td04-td05-fitted-place-t25-t28-p1030177_zpsbdf24405.jpg?dateline=1358289465)
Time to butcher up something new!
![Loser](https://www.miataturbo.net/images/smilies/sign0058.gif)
I pulled it apart today as the #4 manifold runner started cracking.
![](https://www.miataturbo.net/attachments/diy-turbo-discussion-14/64617-td04-td05-fitted-place-t25-t28-p1030175_zpsaaf9a477.jpg?dateline=1358289465)
A year of abuse has taken its toll on some previously shiny bits.
![](https://www.miataturbo.net/attachments/diy-turbo-discussion-14/64618-td04-td05-fitted-place-t25-t28-p1030178_zps5805af1b.jpg?dateline=1358289465)
But it somehow held together.
![](https://www.miataturbo.net/attachments/diy-turbo-discussion-14/64620-td04-td05-fitted-place-t25-t28-p1030177_zpsbdf24405.jpg?dateline=1358289465)
Time to butcher up something new!
#37
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I will probably make a new manifold that suits the Subaru turbo.
(I sketched a rough set up.)
![Name: manifold1_zpsa45f9cf4.png
Views: 5178
Size: 275.9 KB](https://www.miataturbo.net/attachments/diy-turbo-discussion-14/185659d1501211492-td04-td05-fitted-place-t25-t28-manifold1_zpsa45f9cf4.png)
![Name: manifold3_zpsc0feec95.png
Views: 5050
Size: 218.9 KB](https://www.miataturbo.net/attachments/diy-turbo-discussion-14/185660d1501211492-td04-td05-fitted-place-t25-t28-manifold3_zpsc0feec95.png)
I would like the turbo to sit forwards and low. I haven't seen manifolds like this so there must be reasons why not to do this?