FASTdan
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| posted on 14/12/09 at 12:58 PM |
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Modern engine Sealants
Ford specify loctite 5900 for sealing various bits of the duratec but at £25 a tube I dont much fancy it.
Are there any suitable and cheaper alternatives that people have used successfully?
I could just use any old sealer (bathroom, red hermatite etc) but I'd rather not take it in bits again if its not suitable
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flak monkey
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| posted on 14/12/09 at 01:00 PM |
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Really needs to be the right stuff as it needs to be oil resistant.
Loctitie 5900 is specially designed for flange sealing in automotive applications, and specifically to be resistant to oil at high temps.
Do it with the right stuff, then you will only need to do it once, rather than spend £10 on a different sealer and still then have to pay £25 for a
tube of 5900  
Sera
http://www.motosera.com
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Mr Whippy
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| posted on 14/12/09 at 01:19 PM |
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still cheaper than the £70 stuff I had to use when I rebuilt a volvo 3ltr v6, stupid stuff was sold in tubes that could do 4 engines 
Fame is when your old car is plastered all over the internet
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Findlay234
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| posted on 14/12/09 at 01:22 PM |
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The man has a point...
good advice i have not followed in the past. There is some truth behind the phrase.... "buy cheap, buy twice"
but that being said if you find an equally good sealant thats cheaper then go for it.
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adithorp
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| posted on 14/12/09 at 01:33 PM |
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Don't use basic silcone/bath sealer. It gives off gasses as it cures and these are harmfull to some of the sensors on the engine.
adrian
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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bigpig
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| posted on 14/12/09 at 01:48 PM |
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quote:
Originally posted by Findlay234
The man has a point...
good advice i have not followed in the past. There is some truth behind the phrase.... "buy cheap, buy twice"
but that being said if you find an equally good sealant thats cheaper then go for it.
AOL to that, I've learnt enough times that paying the extra for the right thing is generally cheaper in the long run.
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RAYLEE29
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| posted on 14/12/09 at 03:50 PM |
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You could try this
loctite
5910 havent used it my self but it is supposed to be just the job if you read the description
Ray
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sebastiaan
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| posted on 14/12/09 at 07:19 PM |
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For a duratec, the sealant used also plays an important role in the crankshaft bearing clearances (at least, when I'm correct in thinking the
duratec has a girdle/ladder type lower brace that includes the main bearing caps, or was that only on the rover K-series?)
edit: hmm, just looked at the duratec, and it's a bit different to the K-series. If one needs to put a sealant between the girdle and the block
then this still holds. If not, then I stand corrected....
[Edited on 14/12/09 by sebastiaan]
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flak monkey
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| posted on 14/12/09 at 07:22 PM |
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quote:
Originally posted by sebastiaan
For a duratec, the sealant used also plays an important role in the crankshaft bearing clearances (at least, when I'm correct in thinking the
duratec has a girdle/ladder type lower brace that includes the main bearing caps, or was that only on the rover K-series?)
edit: hmm, just looked at the duratec, and it's a bit different to the K-series. If one needs to put a sealant between the girdle and the block
then this still holds. If not, then I stand corrected....
[Edited on 14/12/09 by sebastiaan]
Nope no sealant between cradle and block.
So if you can find an equivalent sealant you can use it. But do the job right the first time
Sera
http://www.motosera.com
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FASTdan
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| posted on 3/1/10 at 10:23 PM |
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Just an update on this...
In an attempt not to pay for the proper stuff I emailed loctite explaining that I was building a prototype bespoke gearbox for a machine that would
become part of our standard range and would like to trial some of their loctite 5900 and could they please provide a sample.......
I should say that I do indeed work for a machine builder so this in some way could have been correct.......
THEN THE REP RANG ME AT WORK! haha. red handed!
After much blagging I came clean and he was remarkably amicable. He came back to me but explained the distribution center had shut down for the xmas
period. But he then went on to explain that Loctite Instant Gasket is indeed almost identical. He did say if I was still stuck in the new year to give
him a call and he'd get a sample out too......jolly nice chap considering I tried to pull a fast one.
Pricewise per L im sure its not any better, but at least your not forking out for a mahoosive tube (as seen on the net) for £25-30.
NEW danST WEBSITE NOW LIVE! Bike carbs, throttle bodies and more......
http://www.danstengineering.co.uk/
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