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Post by darboots on May 15, 2023 17:58:05 GMT 1
I've spent the last week prepping my LC2 bodywork for home painting. The plastics are a mix of old and new (side panels), which are now all primed in white, having been rubbed down, etc. The fuel tank was the wrong colour way (red with white sides) for the 1983 model, so I've gone at it with a battery angle grinder and flap wheels. This has revealed some nasty big dents full of filler (pics below), and an all over skim coat of filler. Overall, it looks to have been a pretty professional job, but I've busted that good and proper. The tank has been lined with POR15, so I'm reluctant to pop the dents out, and besides, I look to have lost about a pint of capacity overall. So, my question is: I have 2K Epoxy Primer to go on, but does this go on before the filler, or after? Cheers.   |
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Post by abar121 on May 15, 2023 18:43:21 GMT 1
You can use epoxy primer first, then filler.
But I would pull those dents out the best you can first of all, especially the last photo. Such a large amount of filler will be problematic.
You can use filler with fibres in it for larger coverage, if you want to take a chance.
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Post by headcoats on May 15, 2023 22:14:38 GMT 1
Or get it chemically dipped and get dents pulled then re line it ?
A ball ache I guess
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Post by abar121 on May 15, 2023 22:20:42 GMT 1
Yep, better to sort out the inside before painting.
Nothing worse than trying to protect fresh paint, from harsh chemicals sloshing around.
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Post by steeley on May 20, 2023 13:31:28 GMT 1
Hi , i would put the tank on a bonfire or in a garden incinerator to burn the liner out and the filler off . Have the worst of the dents pulled out . The one in the last photo needs attention ,deep filler not good . I did this to a mates Tzr 250 tank .
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Post by darboots on May 22, 2023 10:02:39 GMT 1
Thanks for the replies, suggestion and support, guys. It's very much appreciated.
I've contacted someone (who advertises in CMM), to quote for dent 'lessening', rather than removal. The estimate was eyewatering, and would probably make it worthwhile to source another tank - repro if they were available easily. So, I'm going to have a go at 'reducing' the dents myself, so that the required filler depth would be less - I might as well have a go. Will post up results when I've done my best!  |
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Post by LC_BOTT on May 22, 2023 17:43:19 GMT 1
I did mine a while ago now, had a similar sized dent, but it was on top of the tank. I brazed on some 8mm nuts, and used some threaded rod, big washers and some pipe as a slide hammer. Wasn't perfect, but pulled most of the dent out.
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Post by JonW on May 23, 2023 1:11:18 GMT 1
if you didnt have the liner you could 'lessen' and almost totally remove the larger of these dents with a simple glue on pull/slide hammer style kit from ebay for very little money, Ive done quite a bit of that and its been not only rewarding, but also very theraputic.
I really wouldnt go setting a tank on fire, but each to his own I guess lol
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Post by steeley on May 23, 2023 5:09:07 GMT 1
if you didnt have the liner you could 'lessen' and almost totally remove the larger of these dents with a simple glue on pull/slide hammer style kit from ebay for very little money, Ive done quite a bit of that and its been not only rewarding, but also very theraputic. I really wouldnt go setting a tank on fire, but each to his own I guess lol Hi Jon , i have had a few jobs like this where liners have lifted and the tank has started leaking . The Tzr tank in the video was one of these . I had repaired it in the past and knew its history so thought this was the way to tackle it . With the hatch in the bottom i could dress the dents out ready for filler work . My friend who the tank belonged to made a pressure rig so we could test the tank after the repairs . Made sense to me using fire , paint gone, filler gone, failed tank liner gone . Nice . |
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Post by JonW on May 23, 2023 7:06:53 GMT 1
if you didnt have the liner you could 'lessen' and almost totally remove the larger of these dents with a simple glue on pull/slide hammer style kit from ebay for very little money, Ive done quite a bit of that and its been not only rewarding, but also very theraputic. I really wouldnt go setting a tank on fire, but each to his own I guess lol Hi Jon , i have had a few jobs like this where liners have lifted and the tank has started leaking . The Tzr tank in the video was one of these . I had repaired it in the past and knew its history so thought this was the way to tackle it . With the hatch in the bottom i could dress the dents out ready for filler work . My friend who the tank belonged to made a pressure rig so we could test the tank after the repairs . Made sense to me using fire , paint gone, filler gone, failed tank liner gone . Nice . Not tottaly dissing the fire thing as I know people use it, I just dont like heating stressed steel up if not needed and thats why its not something I would do. IMHO Dipping the tank at a paint shop would get rid of the liner and the filler efficiently but I get that it would cost more. Each to their own as I said. |
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Post by cb250g5 on May 23, 2023 8:03:33 GMT 1
FWIW I've just paid £250 to have a Scott tank done, old liner out and a new one fitted.
I just couldn't find any chemical that would touch the old one, whatever it was, coming off the sides in flakes, but 1/4" thick on the bottom.
It's an odd thing, as it's built around the bolt on top frame tube. Has an integral oil tank too.
Chucking on a fire would be problematic, as it's soft soldered together. I'd be left with a jigsaw kit.
Occasionally you just need to pay up & hand it to the professionals, who can still get the good chemicals.
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