Nitrogeno25
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| posted on 26/1/10 at 10:35 PM |
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powder coated sump
I sent my sump for powder coating and the guy at the shop told me they apply paint outside and inside the sump. At first I don't like the idea
of painting inside the sump, but then I see lot of cars have their sumps painted inside and outside, also some gearboxes...
What do you think?
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blakep82
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| posted on 26/1/10 at 10:42 PM |
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i would have thought the powder coat would get inside too.
my diff cover is powder coated in and out, so i wouldn't worry too much
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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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big_wasa
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| posted on 26/1/10 at 10:42 PM |
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Dont do it.
They can mask the inside. It takes time and that costs a bit extra, but better imho.
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mookaloid
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| posted on 26/1/10 at 10:42 PM |
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doesn't sound right - but I can't think of a good reason why 
"That thing you're thinking - it wont be that."
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austin man
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| posted on 26/1/10 at 11:02 PM |
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wouldnt like to think that paint was coming loose in the sump, particles equal filter blockage abrasion etc.
I would only have the outer done if anything. I would rather paint it, having seen what powder coating is like when it get the slightest damage
Life is like a bowl of fruit, funny how all the weird looking ones are left alone
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mcerd1
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| posted on 26/1/10 at 11:05 PM |
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I got mine done and he blasted it then masked the inside before coating - all without me even having to ask 
I've got his number if anyone up in this part of the world needs stuff done....
[Edited on 26/1/10 by mcerd1]
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blakep82
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| posted on 26/1/10 at 11:12 PM |
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ah, blocked oil galleys, jets and stuff, noooo, they're right, don't do it!
________________________
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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Bluemoon
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| posted on 27/1/10 at 10:07 AM |
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Powder coat might not be petrol/oil proof.. Silly thing is our Fiesta has the inside of the rocker cover painted (as ford intended).. Took the rocker
off at about 50K to find the paint peeling inside! Not good no damage seems to be done though.. So I scraped off the paint from the inside
(it's not going to rust in there with all that oil after all)..
Dan
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perksy
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| posted on 27/1/10 at 06:18 PM |
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Used to work at a company with Powdercoating facilities and there's no need for them to coat the inside of the sump
DON'T Let them do this, there is a danger that it will peel off in bits, especially if the surface hasn't been prepared properly
Heard a story of an XE that went bang because the cam cover had been coated on the Inside and it had started to peel off blocking the oilway's
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davidwag
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| posted on 27/1/10 at 06:25 PM |
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Hi,
A couple of months ago i had an old TVR in to complete a wiring loom and get the vehicle running properly, after the owner had rebuild the engine and
restored the chassis. After about a week of starting first time in the morning it suddenly had no oil pressure. After dipping the oil it appeared grey
and horrid, so i decided i should drain it and change it. I undid the sump plug and nothing happened. Poking inside the drain hole it apeared there
was something blocking the hole, after clearing it a grey sludge came out.
At this point i knew the sump would have to come down so i could inspect it, this revealed that the owner had had the sump powder coated inside and
out. Not only had the powder coat come away from the inside and blocked the pick-up, but the sump had not been properly cleaned after it was blasted.
The blasting powder had been left behind all the bafles and had traveled up through the oil system destoying the oil pump and bearings. The engine had
to be stripped, cleaned and re-assembled with new bearings, pump etc.
David
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Nitrogeno25
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| posted on 28/1/10 at 05:23 PM |
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First thanks for your replies.
I agree 100% with you.
I only ask because I find out and lots of cars have the sump painted inside from the factory. I checked 4 different sumps from different car makers
which are painted inside!!
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mcerd1
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| posted on 28/1/10 at 05:29 PM |
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my new tin sump for the focus was/is painted on the inside
I've no idea what paint they use, but its definatly not powdercoat......
[Edited on 28/1/10 by mcerd1]
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Bluemoon
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| posted on 30/1/10 at 10:28 AM |
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quote:
Originally posted by mcerd1
my new tin sump for the focus was/is painted on the inside
I've no idea what paint they use, but its definatly not powdercoat......
[Edited on 28/1/10 by mcerd1]
True and it may go the same way as my rocker cover one day!
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