Dangle_kt
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| posted on 22/4/10 at 04:51 PM |
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why exhaust studs?
why not just bolts?
just curious.
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blakep82
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| posted on 22/4/10 at 04:55 PM |
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always wondered this myself. was going to change mine to cap head bolts...
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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jollygreengiant
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| posted on 22/4/10 at 04:57 PM |
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Have you EVER tried to line up a springy stainless steel multi branch exhaust manifold and THEN put bolts in.
Trust me STUDS rock.
Beware of the Goldfish in the tulip mines. The ONLY defence against them is smoking peanut butter sandwiches.
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blakep82
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| posted on 22/4/10 at 05:01 PM |
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i left one stud in
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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Mark Allanson
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| posted on 22/4/10 at 05:02 PM |
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Simple, its to make fitting a manifold so much more difficult to fit when its in a confined place.
If you can keep you head, whilst all others around you are losing theirs, you are not fully aware of the situation
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boggle
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| posted on 22/4/10 at 05:04 PM |
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i allways thought it was to do with the heat expansion, contraction thing???
just because you are a character, doesnt mean you have character....
for all your bespoke parts, ali welding, waterjet, laser, folding, turning, milling, composite work, spraying, anodising and cad drawing....
u2u me for details
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55ant
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| posted on 22/4/10 at 05:10 PM |
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as above lining up and fitting gaskests, saying that i have used bolts for my inlet manifold.
away from cars, now cycling and building TT bikes
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Guinness
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| posted on 22/4/10 at 05:10 PM |
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To make use of all those mountains of stud extractors?
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Benzine
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| posted on 22/4/10 at 05:13 PM |
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it's got something to do with clouds
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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Andy W
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| posted on 22/4/10 at 05:17 PM |
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I wouldn't have thought you would want to be removing bolts from your head to often, especially if it's alloy.
Andy
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Paul (Notts)
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| posted on 22/4/10 at 05:33 PM |
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as above -- alloy heads and bolts 
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v8kid
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| posted on 22/4/10 at 05:46 PM |
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How often do you take your manifolds off
I've got bolts on mine but will be converting to studs 'cos of allignment probs already noted above but it's one of those jobs well
down on the list
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bi22le
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| posted on 22/4/10 at 06:42 PM |
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I always thought it was due to heat. Then again I have never tried to line up a gaskit and manifold!
Track days ARE the best thing since sliced bread, until I get a supercharger that is!
Please read my ring story:
http://www.locostbuilders.co.uk/forum/13/viewthread.php?tid=139152&page=1
Me doing a sub 56sec lap around Brands Indy. I need a geo set up! http://www.youtube.com/watch?v=EHksfvIGB3I
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dhutch
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| posted on 22/4/10 at 07:43 PM |
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quote:
Originally posted by Andy W
I wouldn't have thought you would want to be removing bolts from your head to often, especially if it's alloy.
This is the main reason for studs of bolts in any application.
You wear out the nuts first (cheap), then the studs (not overly expensive) but never the threads in head (really very expensive) unless your really
ham-fisted with changing the studs if you ever need to.
Daniel
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nitram38
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| posted on 22/4/10 at 08:08 PM |
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Another reason if you use bolts that are too long they bottom out before pulling the manifold tight enough to seal.
Studs bottom out and the nuts take up any differences.
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