DIY Turbo Discussion greddy on a 1.8? homebrew kit?

What caused my later model EFR6258 to die?

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Old 09-26-2014, 03:52 PM
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Originally Posted by psyber_0ptix
and take up baking.
paging Jeffbucc
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Old 09-26-2014, 03:59 PM
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^ my thoughts exactly
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Old 09-26-2014, 04:11 PM
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Wat
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Old 09-26-2014, 04:27 PM
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https://www.miataturbo.net/build-thr...-thread-75474/
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Old 09-26-2014, 05:06 PM
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Cliffs Notes: He bakes (bread only nowadays).
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Old 09-27-2014, 03:32 PM
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Looks like roasted ringland did the turbo in. I've got some big problems on my hands. I don't know about trying again.

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Old 09-27-2014, 04:04 PM
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Aww sheeiz man.
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Old 09-27-2014, 04:09 PM
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Possibly bad injector? How do the other pistons look?

--Ferdi
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Old 09-27-2014, 09:10 PM
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Ouch... The bright side if there is any is that this happened at the tail end of the driving season (if VA is anything like Illinois). If you have another car, don't throw in the towel just yet.
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Old 09-28-2014, 12:24 AM
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that looks like some ...... serious det

Like, it should have sounded like a tin can full of ball bearings for a white det
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Old 09-28-2014, 12:48 AM
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Yea I was quite shocked at how it didn't leave me on the side of the road spewing smoke and sounding lumpy.

In any event, head is damaged. So...if anyone has a spare 1.8L crank and a BP4W head, please let me know
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Old 09-28-2014, 12:51 AM
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perhaps now is a good time to move to a vvt head?
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Old 09-28-2014, 12:53 AM
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Damn man, that's super unfortunate. Sorry you had it go out like that.

In for root cause, this thread is making me **** water
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Old 09-28-2014, 01:00 AM
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Originally Posted by 18psi
perhaps now is a good time to move to a vvt head?
Have one?

Originally Posted by EO2K
Damn man, that's super unfortunate. Sorry you had it go out like that.

In for root cause, this thread is making me **** water
Well, we found out what ate the turbo. Not sure about the detonation cause it still drove and sounded fine. I'll take a look to see if the valve seals were going, maybe some oil was coming in on the intake side of cylinder 4
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Old 09-28-2014, 01:05 AM
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Originally Posted by psyber_0ptix
Have one?
Yep =)
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Old 09-28-2014, 01:15 AM
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holy hell, great price. I'd have to ask Brain to modify the ms3x to support and I wouldn't know how to tune it.

I'll start pinging your FS thread
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Old 09-28-2014, 10:03 AM
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I believe the VVT feature should already be available if you have the MS3X from Brain. This is what i have ubderstood when have discussed it.

If I recall you had an earlier model NA block which as I unfortunately found out takes a bit of extra work to get the crank trigger system to work. The crank trigger system is a requirement for use with the vvt head. I'm also going the route of the built vvt with efr and I ended up just buying a complete vvt engine with all the wiring and such. Looking forward to your updates.
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Old 09-28-2014, 02:59 PM
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Yea when installing the bp4w I made the mistake of getting a 36-1 trigger wheel so I was never able to run sequential anything since no code was developed for this wheel and cam input.
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Old 09-28-2014, 04:03 PM
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Originally Posted by psyber_0ptix
Yea when installing the bp4w I made the mistake of getting a 36-1 trigger wheel so I was never able to run sequential anything since no code was developed for this wheel and cam input.
Props, I did not know that and was planning that in the future. I'm guessing 32-1/12-1 are the best options at the moment? I hear you really don't need a ton more resolution than 12-1.
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Old 09-28-2014, 05:21 PM
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Oem 4 tooth with the 99-00 code is fine.

Or you have to grind the double nubs for the cam input so it triggers once per rotation and enter the cam and crank tooth #1 angle in manually.
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