Rktr4a Posted June 15, 2017 Report Share Posted June 15, 2017 Hi all , any suggestions on treating the inside of chassis for flaking and surface rust , I've just bought one of those cameras that can feed down cavities and after using this I have discovered said rust issue. I've also bought a j type overdrive from a triumph 2500 tc and want to fit to my 67 4a any advice on this would be welcome , Regards Rob ???? Quote Link to post Share on other sites
Motorsport Mickey Posted June 15, 2017 Report Share Posted June 15, 2017 Use the search facility, there are numerous threads on both these subjects, I don't know myself but remember them coming up before numerous times. Mick Richards Quote Link to post Share on other sites
TR4A1965 Posted June 16, 2017 Report Share Posted June 16, 2017 Hi Bob. I used Dinitrol http://tr4a.weebly.com/chassis-paint-treatment.html Best Paul. Quote Link to post Share on other sites
RogerH Posted June 24, 2017 Report Share Posted June 24, 2017 (edited) Hi Bob, regarding your rusty chassis interior. If it is rusty then to remove you need access to either grit blast or apply the various liquids - not easy or practical. The easiest way is to coat the rust with a layer that will cut out oxygen getting at the surface. if the interior has never been waxoyl'd etc then it may be possible to coat with 'BondaRustPrimer' https://www.ebay.co.uk/sch/i.html?_from=R40&_trksid=m570.l1313&_nkw=bondarust&_sacat=0 It is easy enough to place holes in crucial areas and make up a spray gun/pipe. Then coat the Bondarust with a waxy material. Many people like Waxoyl, other prefer Dinitrol. I started with Waxoyl and so am stuck with it but the Dinitrol type products look very good. If you make holes in the chassis make sure you have the rubber blanking plugs before you start. Roger Edited June 24, 2017 by RogerH Quote Link to post Share on other sites
F1loco Posted July 13, 2017 Report Share Posted July 13, 2017 POR-15 (Pour over rust) is incredible stuff - just don't get it on you - it can double as tattoo ink. Quote Link to post Share on other sites
littlejim Posted July 14, 2017 Report Share Posted July 14, 2017 (edited) If you are not going to chop bits out to get access for mechanical removal, one of the treatments that are phosphoric acid based would be the best thing to try. Converts the iron oxide to iron phosphate. After letting it dry for yonks (fan heater??) put Roger's stuff in there to stop it happening again. Edited July 14, 2017 by littlejim Quote Link to post Share on other sites
MikeyB1 Posted July 17, 2017 Report Share Posted July 17, 2017 Look at this site www.rust.co.uk I've used many of their products when restoring various cars, and always been pleased with the results. Mike. Quote Link to post Share on other sites
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