ludwig113 Posted April 5, 2021 Report Share Posted April 5, 2021 maybe have a word with one of the car stripping companies like envirostrip to see if they will chemically strip the whole tank, then you can re coat the inside... paul Link to comment Share on other sites More sharing options...
Woody2000 Posted April 5, 2021 Author Report Share Posted April 5, 2021 Have a good look in the tank today used my mates snap on scope looks like all the crud is out some light dusting to top of tank so will put back in and try again thanks for all the suggestions and help from everybody Link to comment Share on other sites More sharing options...
Pete Lewis Posted April 6, 2021 Report Share Posted April 6, 2021 just what the heck was it does it burn well . as its looking some sort of bitumen based product Ive never come across fuel doing this , how ever old it is very strange more like some foreign product has entred via a petrol can half full of the unkown Pete Link to comment Share on other sites More sharing options...
Colin Lindsay Posted April 6, 2021 Report Share Posted April 6, 2021 7 hours ago, Pete Lewis said: just what the heck was it very strange more like some foreign product has entred via a petrol can half full of the unkown Pete Started off as one of these: 1 Link to comment Share on other sites More sharing options...
Woody2000 Posted April 6, 2021 Author Report Share Posted April 6, 2021 Was talking to my mechanic mate and he said that he had a old Saab that hadn’t been on the road for about 15-20 years had the same mine hasn’t been on the road for about the same hopefully all sorted will let you all know Link to comment Share on other sites More sharing options...
GHILA Posted April 6, 2021 Report Share Posted April 6, 2021 I used soda crystals and hot water plus 60off 40mm long hex head bolts. with the tank out and suspended from the garage roof, gave it a good shake in all directions. Left over night emptied out including the bolts. These are hardest to get out due to the lip of the fillee and sender holes. Washed out with washing powder and hot water. Then used a pressure washer. Dried out left for a week then coated with Frost Pro15 Tank Sealer. Link to comment Share on other sites More sharing options...
Paul H Posted April 6, 2021 Report Share Posted April 6, 2021 10 minutes ago, GHILA said: I used soda crystals and hot water plus 60off 40mm long hex head bolts. with the tank out and suspended from the garage roof, gave it a good shake in all directions. Left over night emptied out including the bolts. These are hardest to get out due to the lip of the fillee and sender holes. Washed out with washing powder and hot water. Then used a pressure washer. Dried out left for a week then coated with Frost Pro15 Tank Sealer. I would also use the Frost Metalprep as well as this treats any rust . To dry out I used a hot air blower Paul Link to comment Share on other sites More sharing options...
GHILA Posted April 7, 2021 Report Share Posted April 7, 2021 Photo of the rubbish from inside the tank, before treating. Link to comment Share on other sites More sharing options...
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