308 Fuel Tanks

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Author Message Tom Treue (Treue) New member Username: Treue Post Number: 27 Registered: 4-2002 Posted on Thursday, September 26, 2002 - 12:13 pm:    Tim: You might want to check the integrity of the tanks, especially along the bottom, before you paint them. I stripped my tanks down to bare metal and then applied undercoating from a spray can, being careful to get just the right build-up and lumpiness. I then sprayed a top coat of polyurethane. After I completed my restoration of the engine bay, I filled the tanks with gasoline on a Friday night. When I returned to the car Saturday morning, I found the car sitting in a large pool of gas. Overnight, porosity that apparently had pre-existed opened up in several places. The polyurethane is impervious to the gasoline but the undercoating is not. The gasoline dissolved the undercoating and caused the polyurethane to bubble. The poyurethane skin could not contain the gas. I repaired the tank with epoxy and had no further trouble, but I wish I had detected the trouble before painting the tanks and had them repaired with welded patches. J. Grande (Jay) Member Username: Jay Post Number: 560 Registered: 10-2001 Posted on Wednesday, September 25, 2002 - 6:05 pm:    Paul it is actually aluminum color paint, I don't remember the brand name but don't use the stuff that is too shiney. Paul (Pcelenta) Junior Member Username: Pcelenta Post Number: 138 Registered: 7-2002 Posted on Wednesday, September 25, 2002 - 8:08 am:    what silver paint did you use to top coat? Tim Hogan (Tojo) Junior Member Username: Tojo Post Number: 62 Registered: 4-2002 Posted on Wednesday, September 25, 2002 - 7:32 am:    Thanks for the tips and the link. It's going to come in handy, like heaps of stuff on this board. Keep up the good work everyone. J. Grande (Jay) Member Username: Jay Post Number: 558 Registered: 10-2001 Posted on Tuesday, September 24, 2002 - 1:10 pm:    Here are mine... I used rubber undercoating in a spray can. It takes a while to get the right spray pattern and build up but I think it looks pretty good. TomD (Tifosi) Intermediate Member Username: Tifosi Post Number: 1400 Registered: 9-2001 Posted on Tuesday, September 24, 2002 - 8:28 am:    here is one ref - there are more http://server.ferrarichat.com/~ferrari/ferrarichat.com/discus/messages/112/129.html TomD (Tifosi) Intermediate Member Username: Tifosi Post Number: 1399 Registered: 9-2001 Posted on Tuesday, September 24, 2002 - 8:25 am:    search the archives - I think peter posted pics of his painting of his 308 tanks Tim Hogan (Tojo) Junior Member Username: Tojo Post Number: 61 Registered: 4-2002 Posted on Tuesday, September 24, 2002 - 8:18 am:    I want repaint my fuel tanks while my car has no engine. Does anyone have any tips on getting that crinke finish on the tanks, because some of it has worn off and they look crappy.