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18psi 09-15-2015 10:18 AM

Perhaps, if tiny sand-like particles broke off from those pieces, and got ingested by the oil system........but who knows

pop open that OP (carefully) and see if there's any pitting or scuffing inside

concealer404 09-15-2015 10:19 AM

Holy wuuuuuuuuuuuuuuuuut. O_O

I had a similar thing happen when i finally tore down the MX6 motor after 225k miles. I was on my 3rd turbo since 172k. The first one died a violent death when it ingested a flange adapter bolt that hadn't been sized properly. Second one slowly blew out the seals and got a bunch of play.

Imagine my surprise when i found relatively intact chunks of the first turbo in my oil pan...
...
...
...
FORTY THOUSAND MILES LATER


My cylinder walls were much more jacked up than yours, though. Motor didn't seem to care in the slightest.

Jeffbucc 09-15-2015 10:22 AM


Originally Posted by 18psi (Post 1266633)
pop open that OP

Help me out, its early, OP?

concealer404 09-15-2015 10:22 AM

Oil pump. :)

OneTwo 09-15-2015 10:26 AM


Originally Posted by Jeffbucc (Post 1266636)
Help me out, its early, OP?

Oil pump :)

Edit: Ben beat me to it. Taking a break from CL searches for the Cherokee of rarity I see....

concealer404 09-15-2015 10:33 AM


Originally Posted by OneTwo (Post 1266640)
Oil pump :)

Edit: Ben beat me to it. Taking a break from CL searches for the Cherokee of rarity I see....


I've given the insurance company all i can give. Next step is filing a complaint with DOI because it shouldn't take a month to settle a total loss claim and i'm super sick of driving Major Hater every day at this point.

Almost every vehicle i've wanted in the meantime has already sold, so i'm just not shopping anymore until i have cash in my hand. :(

Jeffbucc 09-15-2015 10:38 AM

6 Attachment(s)
Good call Comrade Vlad

Dammit all....

.005 feeler gauge slides under no problem, lots of pitting and scoring. Oil pumps ain't cheap either!

https://www.miataturbo.net/attachmen...ine=1442327892
https://www.miataturbo.net/attachmen...ine=1442327892
https://www.miataturbo.net/attachmen...ine=1442327892
https://www.miataturbo.net/attachmen...ine=1442327892
https://www.miataturbo.net/attachmen...ine=1442327892
https://www.miataturbo.net/attachmen...ine=1442327892

EO2K 09-15-2015 10:45 AM

I was closest! What did I win?

18psi 09-15-2015 10:52 AM

Yep, that turbo definitely didn't want to go peacefully, or alone.

Jeffbucc 09-15-2015 10:54 AM

I did feel like it was too fortuitous that the turbo blew and nothing else was damaged.

codrus 09-15-2015 12:01 PM

Ugh. I hate to ask, but have you pulled the cams to look at those journal surfaces yet?

--Ian

Jeffbucc 09-15-2015 12:05 PM


Originally Posted by codrus (Post 1266681)
Ugh. I hate to ask, but have you pulled the cams to look at those journal surfaces yet?

--Ian

I'm sending the head back to the shop to check valve lash and resurface the deck. I'll see what he says.

I don't see why they would be bad after being freshly rebuilt though....please god don't let that statement bite me in the ass.:hatecat:

hornetball 09-15-2015 12:10 PM

Hopefully, anything post-oil filter will be OK.

18psi 09-15-2015 12:17 PM

Yeah I thought about that too, and also hope the same as Rick.

You really should check it yourself though, and really it's best done with head still torqued down to the block.

Make sure the head is checked and surfaced ONLY if it absolutely needs it. Your head has been cleaned up a couple times already, no? You don't want to end up with a det-happy engine like cordus from decking it down too much. ESP since you're on pump gas

rleete 09-15-2015 12:20 PM


Originally Posted by rleete (Post 1265931)
It looks familiar, but I can't quite think what it is. Looks like some sort of bearing cage. Are the black pieces metal? It appears to be some sort of plastic (ABS?) from the pics.


Originally Posted by EO2K (Post 1265950)
Seriously, I'm at a loss as to what that might be. It DOES look like a plastic cage for a set of ball bearings but there are not ball bearings in a BP. There are however ball bearings inside an EFR... :noes:

Plastic or metal, ferrous or not (stick a magnet to it) will also help with identification. I mean, if its plastic that's not going to help, but you get the idea. in4answers.


Originally Posted by EO2K (Post 1266646)
I was closest! What did I win?

Ahem. I stated that two posts before you. :nono:

Good it was finally figured out.

Jeffbucc 09-15-2015 12:21 PM

Yeah talked about that with the machinist. He said he is only going to do a skim pass to ensure a good seal with the MLS gasket.

I'm VERY happy in a glass half full way that I tore the block down. Any longer with these issues and this could have been much much worse.

rleete 09-15-2015 12:21 PM

So, to the experts: is that op salvageable, or is it toast?

Jeffbucc 09-15-2015 12:33 PM


Originally Posted by rleete (Post 1266693)
So, to the experts: is that op salvageable, or is it toast?

I just sent an email with the pictures and information to BE. From comparing it to other "bad OP" it looks pretty hammered. I'll let you know when I get a response.

turbofan 09-15-2015 12:44 PM

<p>

Originally Posted by codrus (Post 1266681)
Ugh. I hate to ask, but have you pulled the cams to look at those journal surfaces yet? --Ian


Originally Posted by Jeffbucc (Post 1266002)
<img alt="" src="https://www.miataturbo.net/attachment.php?attachmentid=149410&amp;dateline=14 42179306" />

</p><p>&nbsp;</p><p>Aren't those cams le toast? I was under the impression that any rust on cams is the badness.</p>

turbofan 09-15-2015 12:46 PM

<p>WTF... why did it take Jeff's normal size picture and make it gargantuan, and how do I fix it?</p>


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