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 2Likes
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1
Post By jcraigau
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1
Post By Rog246
06-21-2013, 04:09 AM
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CC Member
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Join Date: Sep 2010
Location: redcliffe,
qld
Cobra Make, Engine: venom motorsports /ls1 auto
Posts: 500
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Not Ranked
how to clean a new tank
I need advice as I have had a new tank made but its full of alloy swarf & metal fillings
ive vacuumed out as much as I can
I have a bung in the bottom do I try to flush it out or is there better way
water blastering is out
rob 
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06-21-2013, 05:02 AM
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CC Member
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Join Date: Jan 2004
Location: Melbourne,
VIC
Cobra Make, Engine: Venom, BF XR8 260kw, 6 speed auto
Posts: 158
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Not Ranked
Good or bad, I did the best I could, then added a pre filter to my fuel filter. I'll throw it away after the first few miles.
Also the BF pump I'm using has a mesh like filter inside, as it has the swirl pot inside
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06-21-2013, 05:36 AM
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CC Member
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Join Date: Jun 2012
Location: Naracoorte,
SA
Cobra Make, Engine: CR Cobra 3169
Posts: 818
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Not Ranked
You could put some kerosene and a few nuts in the tank and shake it around. That will knock some swarf of.
JD
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06-21-2013, 06:14 AM
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CC Member
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Join Date: Oct 2008
Location: Perth,
WA
Cobra Make, Engine: G-Force Mk1, LS1, T56, Jag S3 suspension
Posts: 587
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Not Ranked
Now how do I get rid of the cashews? :-)
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06-21-2013, 03:26 PM
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CC Member
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Join Date: Jul 2009
Location: Redland Bay,
QLD
Cobra Make, Engine: Harrison #100 under construction
Posts: 1,109
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Not Ranked
magnet on a stick !
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Rog 246
Harrison #100
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06-21-2013, 03:58 PM
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CC Member
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Join Date: Apr 2013
Location: wodonga,
vic
Cobra Make, Engine: Python ford 302 ho, 4 speed toploader, jag irs 3.54
Posts: 361
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Not Ranked
hopefully rog246 is joking , but we use a mild form of acid to clean the tanks we make at work, this will test all the welds aswell, to make sure there are no leaks, if there is black slag on or in the welds you need to get rid of it as it will clog up filters eventually.
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06-21-2013, 05:01 PM
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CC Member
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Join Date: Sep 2010
Location: redcliffe,
qld
Cobra Make, Engine: venom motorsports /ls1 auto
Posts: 500
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Not Ranked
dhs.buckley
what ratio do i mix & what acid is better
rob
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06-22-2013, 12:23 AM
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CC Member
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Join Date: Apr 2013
Location: wodonga,
vic
Cobra Make, Engine: Python ford 302 ho, 4 speed toploader, jag irs 3.54
Posts: 361
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I will have a look on monday and talk to our tradies about the ratios, I am pretty sure we get the cleaning acid from BOC or the local welding supply shop.
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06-22-2013, 02:23 AM
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CC Member
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Join Date: Jun 2009
Location: Sydney,
NSW
Cobra Make, Engine: RCM, Jag front and rear, LS3
Posts: 1,640
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I wouldn't be putting acid or alkali near it. The other day i accidently put an alloy meat mallot in the dishwasher and it came out covered with a black oxide residue. Just wash it out with soapy water. I doubt you will get every last bit out, but the pre filter on the pump will stop it getting in the fuel system.
I used plain water for mine. There was only stainless steel swarf in it and since it was clean it didn't stick to the tank. I heated it with a heat gun to dry it out.
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06-22-2013, 03:32 AM
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CC Member
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Join Date: Sep 2010
Location: redcliffe,
qld
Cobra Make, Engine: venom motorsports /ls1 auto
Posts: 500
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jaydee
I put some kero & my nuts in but it hurt to much so I stopped eheheh
I tried it & got a bit out. so soapy water & a hair dryer is next
thanks all
rob
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06-22-2013, 04:53 AM
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Senior Club Cobra Member
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Join Date: Mar 2007
Location: North Gold Coast,
Qld
Cobra Make, Engine:
Posts: 820
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i think diesel fuel has good cleaning agents in it so maybe even try it
atleast when u fill tank up with fuel the diesel will slowly come out as it gets mixed in
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06-23-2013, 05:57 PM
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CC Member
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Join Date: Apr 2013
Location: wodonga,
vic
Cobra Make, Engine: Python ford 302 ho, 4 speed toploader, jag irs 3.54
Posts: 361
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Not Ranked
Hi Rob, spoke to the boys at work, acetone is what they use to clean the alloy tanks, gets the residue off the alloy and also any black in the welds, the mild acid is for the stainless tanks.
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06-24-2013, 02:49 AM
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CC Member
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Join Date: Sep 2010
Location: redcliffe,
qld
Cobra Make, Engine: venom motorsports /ls1 auto
Posts: 500
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Not Ranked
thanks all
I found out sunday that a friend works at a radiator repair mob
so for a couple of bourbons it was cleaned & flushed
thanks again
rob
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