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diy "turbo no hit block" '00 BP miata
26 Attachment(s)
Noticed I've never open a topic of my car...
short story here: December 2013 miata is too slow, even if it's 1.8l 200.000+ km engine saw mcm "how to turbo", they make it very easy let's find out! what I thought: I want quick spool and low threshold, let's take an .35 turbine with .33 compressor! why don't leave oem exhaust? it's turbo, exhaust line is less important than a NA engine! wanna stay under 10psi, the i/c is only a good upgrade, but not necessary dunno what a flow chart is result: http://i40.tinypic.com/3sfgh.jpg http://imageshack.com/a/img24/1149/eisw.jpg http://imageshack.com/a/img443/2082/k83x.jpg http://imageshack.com/a/img811/9900/t9oh.jpg http://imagizer.imageshack.us/v2/xq90/18/kske.jpg http://imageshack.com/a/img19/6358/f1h4.jpg http://imageshack.com/a/img706/3969/8vf2.jpg http://imagizer.imageshack.us/v2/xq90/534/lryt.jpg http://imagizer.imageshack.us/v2/xq90/823/ljql.jpg http://imagizer.imageshack.us/v2/xq90/843/efig.jpg http://imagizer.imageshack.us/v2/xq90/716/rfss.jpg first run... 1.5 bar wastegate and no emb, just oem ecu :vash: ended...... http://imagizer.imageshack.us/v2/xq90/513/3zg0.jpg http://imagizer.imageshack.us/v2/xq90/811/77m9.jpg http://imagizer.imageshack.us/v2/xq90/41/ll2n.jpg http://imagizer.imageshack.us/v2/xq90/577/lfzt.jpg http://imagizer.imageshack.us/v2/xq90/197/0job.jpg one week later goes BOOOOOM :loser: cylinder n°2 was prone to detonation http://imagizer.imageshack.us/v2/800...0/853/nazk.jpg http://imagizer.imageshack.us/v2/800...0/703/6dv6.jpg http://imagizer.imageshack.us/v2/800x600q90/42/wrru.jpg http://imagizer.imageshack.us/v2/800x600q90/14/wssx.jpg After that I began to read, I found the faq, I bought the corki bell's "maximum boost" and when my ideas began to be a little bit clearer (3 months later) I admitted that all that work was crap. Really crap. Now the true diy project I started my new project on april 2014 my new goals: high boost threshold due to 10:1 CR reason: reduce egt when non in boost, expecially because I ran LPG, less torque in boost but good power. low boost, around 8 psi compressor: high efficiency at high revs (4500 rpm and more) I chose a chrubo based on GT2860R manifold: studied for high speed gases, begi S4 shoud work for me. expected power around 200-250 bhp ...continue |
well that went pretty much as expected
thanks for taking pics though, that was entertaining :) You're gonna want to support that feed line before it breaks and causes a fire |
I would also take off the wrap on the manifold. It will trap more heat inside. The manifold is already prone to failure, may as well not expedite that.
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bruuuuAAAAAAA chochochochocho:jerkit:
bruuAAAAAAAAA chochochochocho:jerkit: bruAAAAAAAAAA chocho SHHHHHHHHHHHHH :eek: brubbrubbrubb potpotpot:noes: sputter sputter sputter This ^ lol :loser: :giggle: Cool build either way. Once I saw that mcm episode I was waiting for more builds to pop up. Your 2nd time was very entertaining. Nice DIY setup, trial & error PSSHHHHHH :bowrofl: 0psi |
2 Attachment(s)
Originally Posted by 18psi
(Post 1145744)
well that went pretty much as expected
thanks for taking pics though, that was entertaining :) You're gonna want to support that feed line before it breaks and causes a fire https://www.miataturbo.net/attachmen...ine=1404586719 https://www.miataturbo.net/attachmen...ine=1404586719 |
The first attempt was the exact result i expected after people want to turbo a miata after the MCM episode.
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Originally Posted by acedeuce802
(Post 1145745)
I would also take off the wrap on the manifold. It will trap more heat inside. The manifold is already prone to failure, may as well not expedite that.
on maximum boost I've seen no changes: 650°C (very low afr) are this manifold so crap? |
Nope. Not crap. Top quality. Obviously, that's why it is so super cheap.
Wait a minute.... |
What are you using ECU wise?
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he's using aidz
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1 Attachment(s)
removed
https://www.miataturbo.net/attachmen...ine=1404746777
Originally Posted by shuiend
(Post 1145775)
What are you using ECU wise?
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Originally Posted by DNA54
(Post 1146138)
what do you mean?
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He's asking what standalone ECU you're using to control the car to go along with the turbo setup you've pieced together so you don't immediately blow your motor again.
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Originally Posted by shuiend
(Post 1146140)
What are you using to control fuel and spark?
since I don't have a det-can the advance must be conservative, right? I'm building one: when it's finished I put some photos here, and maybe a video if my gopro wants to record
Originally Posted by concealer404
(Post 1146141)
He's asking what standalone ECU you're using to control the car to go along with the turbo setup you've pieced together so you don't immediately blow your motor again.
I'm thinking to put an ms2 pnp from diyautotune, but I'm a little bit scared: I have to remap the entire range of the engine: vacuum, boost, idle, cold start, hot start, advance vs water temp, advance vs knock sensor and many other maps I know that autotune helps a lot, but dunno if I can :ugh: |
Originally Posted by DNA54
(Post 1146166)
I'm thinking to put an ms2 pnp from diyautotune, but I'm a little bit scared: I have to remap the entire range of the engine: vacuum, boost, idle, cold start, hot start, advance vs water temp, advance vs knock sensor and many other maps
I know that autotune helps a lot, but dunno if I can :ugh: |
you realize they come with basemaps right?
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I've read though this thread a few times and I've almost posted every time. I have a love hate with it. He is doing some pretty impressive work with some pretty shitty parts. I'm not gonna lie. I want to see it go through its entire life cycle out of curiosity. We need weekly inspections with comments on miles driven & what not.
Having a proper ecu is pretty much mandatory with Turbo. It makes everything sooo much easier. Especially when your bandiads start failing and you have to troubleshoot that crap. Also when I saw the DIY manifold I was like right on. Then you went rogue on us and ebayed it. That original manifold you made was probably fine just needed to be cleaned up a bit. |
OP, you are moving along a steep learning curve pretty well IMHO.
The funny thing is that a proper standalone ECU solution is often less difficult to work with than 'bandaid' or 'aids' solutions that simply fool the stock ECU. My last project was far more difficult and frustrating with an SAFC based management setup than it was a programmable ECU that was very similar to the MS stuff. Plus that would let you get rid of the AFM, which is not doing you any favors. Glad to see that you are now opening up the exhaust, as it is actually far more important for a turbocharged vehicles overall performance than most NA applications. |
I wish the op just stuck with the log manifold, its better than the ebay one. But based on the discoloration I bet it just needs a quick shave at the machine shop to make it flat again.
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