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Blowing Turbo gaskets every event

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Old Nov 30, 2013, 12:49 PM
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Safety wire is the best way . But the bolts are totally sucky to drill through. I would love predrilled stainless bolts
Old Dec 1, 2013, 07:36 AM
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Originally Posted by KevinD
Safety wire is the best way . But the bolts are totally sucky to drill through. I would love predrilled stainless bolts
The trick I found was to use new drill bits every 3 bolts. If you buy in bulk, the bits are pretty cheap. I've been safety wiring everything possible. One track I seem to always have bolts backing out is Road America. Not sure if its the intense rumble strips or what.

Old Dec 1, 2013, 02:23 PM
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all my bolts appear to be tight, but i definitely have a leak that is quite noticeable under the car while running. plus it sputters on cold start now...didnt have a chance to look at it but im wondering if something on my downpipe/o2 broke.

EDIT: i also just realized that there is no flex section in my exhaust system which is probably i terrible idea. re you running any flex zhong?

Last edited by killerpenguin21; Dec 1, 2013 at 02:37 PM.
Old Dec 1, 2013, 04:18 PM
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Originally Posted by KevinD
The nordlock washers are locking type of washer. It's basically two serrated washers that lock together when you tighten the bolt down. They have worked well for us so far
cool beans. I just ordered 70 of these:
  • 10x M6
  • 25x 5/16"/M8
  • 25x M10
  • 10x M12
I am also getting a carbon graphite gasket for my turbo to O2 surface as the one MAP provides is a flat sheet of stainless steel and does not appear to be working well. Hopefully between these washers and the new gasket, I won't get anymore exhaust leaks.
Old Dec 2, 2013, 12:20 AM
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Originally Posted by killerpenguin21
all my bolts appear to be tight, but i definitely have a leak that is quite noticeable under the car while running. plus it sputters on cold start now...didnt have a chance to look at it but im wondering if something on my downpipe/o2 broke.

EDIT: i also just realized that there is no flex section in my exhaust system which is probably i terrible idea. re you running any flex zhong?
My downpipe does not have any flex joints. It is a solid 1pc.
Old Dec 2, 2013, 12:46 AM
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If you have a separate dowpipe/o2 housing, then the flex is absorbed by the donut gasket and spring bolts. I have the MAP o2 eliminator, which is one piece from the turbo to the cat (ie o2 housing and dp are one piece) and it has a flex section in it since there are no spring bolts used.
Old Dec 2, 2013, 08:20 AM
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yeah i have stock o2 with aftermarket downpipe. it definitely sounds like something has let go right at the donut gasket area (i definitely have one on there). unfortunately i didnt get a chance to look before i put the car in storage for the winter.
Old Dec 5, 2013, 09:33 AM
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Welp. Got my carbon graphite gasket material. The gasket rep recommended I use the existing SS sheet metal gasket and sandwich it between a sheet of the carbon graphite on each side. He was a little concerned about oxidation so I will have to keep an eye on it.

Blowing Turbo gaskets every event-mmzlsny.jpg
Old Dec 5, 2013, 09:46 AM
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That gasket never blows. I'd tighten the bolts a bit tighter and safety wire them, but I don't know if I've ever seen any come loose.
Old Dec 5, 2013, 11:09 AM
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I blew the POS grimspeed one! NEVER buy that one.
Old Dec 5, 2013, 12:07 PM
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OEM inlet gasket or aftermarket-

cb
Old Dec 5, 2013, 01:41 PM
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safety wire.....
Old Dec 5, 2013, 03:09 PM
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Originally Posted by jerdeitzel
I blew the POS grimspeed one! NEVER buy that one.
didn't you lose a bolt? I thought the GrimmSpeed ones were pretty nice actually.
Old Dec 5, 2013, 03:38 PM
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No i didn't lose a bolt. Its very possible that i had a loose bolt that caused a leak. But, it still blew the gasket apart! Plus the little bit of extra height in the gasket caused PIA to get the oil return tube hooked up and the oil feed line. In fact, i think the oil feed line ended up cracking a bit from trying to bend it some.
Old Dec 6, 2013, 06:19 AM
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We have never had an issue with those if you use OEM gaskets- the OEM hardware- and proper rated anti-seize- tighten them properly-

cb


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