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O2 housing to turbo bolts


blkchr91
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Galant VR-4 org Post #: 1091273 posted 10/25/12 10:01 PM     Remind Me!  Send Private Message   Edit Post      
Do these bolts use nuts at the other end? Will they back off if I don't put a lock washer or nut on the other side?

Also, there is no stud in the location that is supposed to be studded. Can I just use bolts even in the studded location without nuts?

Sorry for the missing details, I took my car apart like a slob without paying attention not realizing how expensive and hard to get bolts are on these vehicles. Now I am paying the price.

Thanks

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blkchr91
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Galant VR-4 org Post #: 1091276 posted 10/25/12 10:41 PM     Remind Me!  Send Private Message   Edit Post      
Ok, checked CAPS and need to use washers for the 3 bolts that I have. At this point, I'd like to know why I can't just use 4 bolts and 4 washers instead of buying a stud.

I think the bolts are OEM.

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pot
It's a twee shaker----choot him choot him
182/1000


Galant VR-4 org Post #: 1091278 posted 10/25/12 11:03 PM     Remind Me!  Send Private Message   Edit Post      
You cannot use a bolt in lieu of a stud b/c it will not fit *The front lower portion of the housing closest to the radiator.



182/1000

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SmoothCustomer
Public school educated knowitall


Galant VR-4 org Post #: 1091308 posted 10/26/12 03:06 AM     Remind Me!  Send Private Message   Edit Post      
Actually I *think* you can make it. Don't quote me on that though. If it fits, there is certainly no reason you can't just use a bolt.



-Eric
2015 FR-S

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Wizardawd
Senior Member
598/1000


Galant VR-4 org Post #: 1091336 posted 10/26/12 10:57 AM     Remind Me!  Send Private Message   Edit Post      
On a stock o2 housing, the curve of the wastegate port allows enough room to clear the space of a nut. IE, stud only. Aftermarket versions, some have enough room to clear a full length bolt.

Making it fit requires some grinding and clearancing on the OE cast iron piece. And probably enough that it would be quite thin afterwards.

Wiz



598/1000 Nile Black
12/2000 Nile Black
1995 Montero SR
1997 Talon Tsi AWD Auto

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James
Does lots of head


Galant VR-4 org Post #: 1091418 posted 10/26/12 08:06 PM     Remind Me!  Send Private Message   Edit Post      
You can fit a bolt. I remember being at the track and one friend blew his 14b. Another friend too his off his car and they were putting it on the other car. In the process the stud became lost. With modifications they got a bolt to fit.

I know it wasn't optimal and I know they fixed it correctly when we got back in town. I'm not sure what they did to make it fit and I'm sure whatever they did wasn't worth it in the end.

Footnotes: does work, requires modifications, wouldn't do it.



1990 Summit White Galant GSX
Chipped EPROM ECU/2g maf/550cc injectors/3in exhaust /E316G/FMIC/Wally255/AeromotiveAFPR/lower shores MBC

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blkchr91
Unregistered


Galant VR-4 org Post #: 1092645 posted 11/04/12 06:54 PM     Remind Me!  Send Private Message   Edit Post   
Thanks all...I got away with it. Might be because I am using an aftermarket O2 housing though.

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