ok guys some tips on how to clean my fuel tank out read so many things would like to hear your tips and hints its an old 850 tank wat to clean with wat to do ..not to do wat material to get rid of crud just an idiots guide would do ha ha thanks lazza

How bad is your tank?
I have ordered a tank reseal kit from Caswell and they advise to shake a handful of gyprock fixing screws inside for a few minutes to remove the bulk of the rust.
The outside I have already used a wire brush on the angle grinder.

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1969 Cooper "S"
1967 Mini Deluxe
1973 Clubman Van (the fleet spare)
1978 ex 1275 LS ("Wizard" Eaton Supercharged)
2015 HSV GenF GTS(occasional drive & tow car)
2019 MINI F55 Cooper S

POR15 do a kit for cleaning and resealing tanks. I've no personal experience with it though. I've got an Export Moke tank that needs doing, but baulked at paying something like $150 for the POR15 kit.

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Brett Nicholson
Greendale (near Ballan) VIC.
1971 Morris Mini Moke
1966 Austin Mini
1965 Morris Mini Traveller
1973 LR Series 3 88
2007 LR Freelander 2

The Caswell kit is $79 but for a bike tank. The guy advised that 1 kit should be enough for a mini tank but he sold me 2 kits for $125.
Maybe give them a call Brett, they are in Melbourne

_________________
1969 Cooper "S"
1967 Mini Deluxe
1973 Clubman Van (the fleet spare)
1978 ex 1275 LS ("Wizard" Eaton Supercharged)
2015 HSV GenF GTS(occasional drive & tow car)
2019 MINI F55 Cooper S

The Caswell kit is $79 but for a bike tank. The guy advised that 1 kit should be enough for a mini tank but he sold me 2 kits for $125.
Maybe give them a call Brett, they are in Melbourne

_________________
1969 Cooper "S"
1967 Mini Deluxe
1973 Clubman Van (the fleet spare)
1978 ex 1275 LS ("Wizard" Eaton Supercharged)
2015 HSV GenF GTS(occasional drive & tow car)
2019 MINI F55 Cooper S

Ive done the por15 kit on my bike tank (22L) worked well, removed all the rust and sealed it. You could even just buy their cleaners to remove the rust. There was a bit of sealant to spare so mini tank should be ok.

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So... I'm Seifer

Thanks Michael, I will do that.

It's only a 25L Export Moke tank (so I can have twin tanks) which is showing light surface rust on the bottom. So a bike kit might be sufficient.

Cheers,

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Brett Nicholson
Greendale (near Ballan) VIC.
1971 Morris Mini Moke
1966 Austin Mini
1965 Morris Mini Traveller
1973 LR Series 3 88
2007 LR Freelander 2

I used the POR 15 kit. There is enough for two tanks. It did a great job on mine. If you do go that option, make sure you let the product flow out easily after coating the tank, or else it will solidify in the filler neck.