I will now join the ranks of idiots who do not safety wire - Page 4 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-12-2009, 01:30 PM   #61
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I was thinking about the whole problem of studs backing out etc and wondering how manufacturers deal with it without vbands. I wonder if manufacturers (like garret) are able to manufacture both studs/fasteners and the housing (turbine housing or manifold) with much higher quality thanks to high-quantity-cost-efficiencies.

Reworded, I wonder if OEM (or near OEM) manufacturers are able to cheaply produce parts with very very high tolerances for cheap since they produce ten billion of em.
MSM, Audi, Subaru, and mini turbos fall off when driven by men.

The people with these fastener problem are apparently putting hardware through stress that manufactures chose to ignore for obvious reasons.

I hope that with the correct oil pressure, safety-wire, and a safe tune I'll be able to track this car for a long time.
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Old 10-12-2009, 01:42 PM   #62
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I was thinking about the whole problem of studs backing out etc and wondering how manufacturers deal with it without vbands.
No OEM is designing for the abuse that is being spoken about here. We are even talking about a higher specific output than most supercars, and a duty cycle on all critical parts higher than most design targets.

Last edited by webby459; 10-12-2009 at 01:43 PM. Reason: sorry-concurent post
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Old 10-12-2009, 01:53 PM   #63
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No OEM is designing for the abuse that is being spoken about here. We are even talking about a higher specific output than most supercars, and a duty cycle on all critical parts higher than most design targets.
The track I ran on Saturday has a 3x apex where I have an 11-second period of sustained 1.25-1.4g loading. lol
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Old 10-12-2009, 01:56 PM   #64
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The track I ran on Saturday has a 3x apex where I have an 11-second period of sustained 1.25-1.4g loading. lol
...and that's before you put some big R6s on those new 9's that you have, right?
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Old 10-12-2009, 01:56 PM   #65
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Hmmm.....i'll stck with Garrett. That sucks for you man....
Do you stll have the GT2871?
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Old 10-12-2009, 01:57 PM   #66
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Safety wiring everything on the car with b166 inconel now using the ebay jig. Its time to get militant.
Which jig did you get? I'm thinking of doing the same thing since I have the turbo off anyway to replace the head. You can do it without the jig on a drill press but I'm thinking the jig will speed things up.
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Old 10-12-2009, 02:03 PM   #67
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Which jig did you get? I'm thinking of doing the same thing since I have the turbo off anyway to replace the head. You can do it without the jig on a drill press but I'm thinking the jig will speed things up.
I bought that red one from ebay.
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Old 10-12-2009, 02:04 PM   #68
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...and that's before you put some big R6s on those new 9's that you have, right?
225 NT-01's. I don't have Hoosier money, nor the skill to make it worth my time.

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Hmmm.....i'll stck with Garrett. That sucks for you man....
Do you stll have the GT2871?
gt2860rs
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Old 10-12-2009, 02:08 PM   #69
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I bought that red one from ebay.
You know that wont work for nuts but it will be great for the bolts.

Was looking at this for the nuts MOTORCYCLE TOOL SAFETY WIRE TWIST LOCK Nut Drill Jig:eBay Motors (item 370143850607 end time Nov-08-09 11:12:26 PST)
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Old 10-12-2009, 02:12 PM   #70
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TiAL MV-S guts:
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Old 10-12-2009, 02:12 PM   #71
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You know that wont work for nuts but it will be great for the bolts.

Was looking at this for the nuts MOTORCYCLE TOOL SAFETY WIRE TWIST LOCK Nut Drill Jig:eBay Motors (item 370143850607 end time Nov-08-09 11:12:26 PST)
Yes, just needed it for a bolt jig.

But damn, that one is superior. I screwed up, again.
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Old 10-12-2009, 02:38 PM   #72
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Yes, just needed it for a bolt jig.

But damn, that one is superior. I screwed up, again.
actually the one you have is much better/more stable for the bolts.
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Old 10-12-2009, 03:19 PM   #73
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actually the one you have is much better/more stable for the bolts.
I am the ****, bro. [pops collar]
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Old 10-12-2009, 03:27 PM   #74
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Originally Posted by Cspence View Post
.....
That is Safety Wire Fail. If you're gonna safety wire, do it right:



Safety wire - Wikipedia, the free encyclopedia

Also, I think the .032 SS safety wire would be fine for your application. The inconnel stuff is probably overkill (unless you split the cost with a couple people).

Chris


EDIT: Also, when drilling holes in the bolts, drill atleast two so that it is easier to pick a hole without having to over/under torque for proper alignment.

Last edited by Miatamaniac92; 10-12-2009 at 03:29 PM. Reason: Ninjas
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Old 10-12-2009, 03:46 PM   #75
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I remember the bolts for Tial's housing being much smaller than cast housing bolts, what's the reasoning behind that? I'm no engineer, but to me they look too small.

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Trey, are you buying bolts with bigger heads? The tial supplied bolts won't be fun to drill. Also, you're going to run into a problem with the oil return flange, it was hard enough fitting the tial bolt in there. Get one of these, the begi one is too bulky.

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Old 10-12-2009, 03:47 PM   #76
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turbine housings glow from the heat, I'd go inconel. $50 but it will last you forever.
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Old 10-12-2009, 04:10 PM   #77
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Originally Posted by ARTech View Post
I remember the bolts for Tial's housing being much smaller than cast housing bolts, what's the reasoning behind that? I'm no engineer, but to me they look too small.



Trey, are you buying bolts with bigger heads? The tial supplied bolts won't be fun to drill. Also, you're going to run into a problem with the oil return flange, it was hard enough fitting the tial bolt in there. Get one of these, the begi one is too bulky.

Abe,
I'm stuck with the tiny bolts, but I bought a jig to drill them for .022 inconel...any reason you can see why this will fail. I have enough clearance to get the wire through and who knows what thread begi used on these fittings.
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Old 10-12-2009, 04:37 PM   #78
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Originally Posted by Rennkafer View Post

For your usage just go with the .032... a 1lb spool ought to last a long time.
I think mine is .032. I bought my spool in 2004 and it's about half gone.
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Old 10-12-2009, 04:44 PM   #79
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I don't know enough about safety wire to comment on the size, but I'd trust Rennkafer/Miatamaniac92's advice and go .032". They seem to know what they're talking about.

I just figured a smaller head would be tricky to drill, especially, two holes, but if it can be done, I don't see any problems.
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Old 10-12-2009, 04:51 PM   #80
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While it doesn't seem like that large of a difference, the .032 wire has over twice the cross-sectional area...and will carry twice the load.
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