turbo > cat bolts?

[thejimrose]

thanks guys! are you all getting this SS hardware at local hardware stores
or specialty shops?

how would i know a2 from a4 grade? the bolt top marking always seem to
somewhere between sanskrit and klingon.

the 1.8 does mount the cat to the turbo, then downpipe. funky, and getting
at the cat>dp bolts is really really really really miserable. i tried to
install it all as a unit last night, but she wouldn't go. it would work if i
could raise the front of the car about 4' off the ground, alas that's not
going to happen.

heres a shot of the setup, sans turbo:
http://new.photos.yahoo.com/thejimrose/album/576460762336984259/photo/294928803526486921/27

here's why i'm replacing it. grrrrr...... :
http://new.photos.yahoo.com/thejimrose/album/576460762336984259/photo/294928804244199607/31

here's why not to practice 40mph ebrake slides in the rain in the city near
curbs. oops:
http://new.photos.yahoo.com/thejimrose/album/576460762336984259/photo/294928804244189939/32

graze!
j to the i to the m

On 3/20/07, Ameer Antar <antar at comcast.net> wrote:
>
> I've used 316 (A4) grade stainless hardware and they've held up on the
> turbo
> and wastegate just fine. I used regular old 304 stainless (A2) on the cat.
> No
> problems at all. Just make sure you don't use an impact wrench on these
> things.
> Is your cat directly bolted to the turbo? Strange setup, but if it is,
> definitely go with the A4 grade; these are supposed to retain their
> strength in
> high-heat situations. If you need any I just may have some left over.
>
>
> -Ameer
>
>
> -------------------- Original Message --------------------
>
> > Message: 5
> > Date: Mon, 19 Mar 2007 22:36:28 -0700
> > From: thejimrose [thejimrose at gmail.com]
> > Subject: turbo > cat bolts?
> > To: quattro at audifans.com
> > Message-ID:
> >     [298352bd0703192236r52a5da58u51053784b8012d63 at mail.gmail.com]
> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >
> > anyone have thoughts on what to use for the bolts to attach my turbo to
> my
> > shiny new high flow cat? the stock stuff is grade 8.8 black oxide.
> pretty
> > standard. i'd like to step to stainless but it seems SS bolts are a
> little
> > softer [ive broken a few].
> >
> > i got some SS nuts, bolts + washers from the local ace, but i NEVER want
> to
> > do this job again so if there's a best grade or hardware to use, i'm al
> over
> > it.
> >
> > thanks
> > jim
> >
> >
> > ------------------------------
> >




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