MARK Posted September 10, 2019 Report Share Posted September 10, 2019 Re the very good Tr 5 - 6 Toyota brake conversion article on page 32 issue 315 of TR Action by Dennis Hobbs- Re the requirement to make new metal pipes between the hose and caliper - does the Toyota caliper have an imperial fitting or metric ? MARK Quote Link to post Share on other sites
Nigel Triumph Posted September 11, 2019 Report Share Posted September 11, 2019 I'm a little surprised no one has come back with a definitive answer yet. I would expect the Toyota calipers to have metric threads, though I've no experience of using them. Nigel Quote Link to post Share on other sites
Chilliman Posted September 11, 2019 Report Share Posted September 11, 2019 I've got Toyota four pot calipers - not identical to the ones used by Dennis as I use vented discs but I can't imagine they would be different fittings/thread. Mine are metric M10 Quote Link to post Share on other sites
Eddie Cairns Posted September 19, 2019 Report Share Posted September 19, 2019 Probably a fine thread if it is for brake fittings. Quote Link to post Share on other sites
Duncan Hendry Posted October 10, 2019 Report Share Posted October 10, 2019 (edited) Hi, re the brake upgrade, i appreciate that the callipers are from an early land cruiser or hi-lux. Can anyone give me a part no please. The number that Dennis has given doesn't get me anywhere. Many thanks Edited October 10, 2019 by Duncan Hendry Typo Quote Link to post Share on other sites
Steves_TR6 Posted October 10, 2019 Report Share Posted October 10, 2019 If you have the same toyota brakes that i have then this is the pattern, with various manuf. part numbers ! Quote Link to post Share on other sites
Steves_TR6 Posted October 10, 2019 Report Share Posted October 10, 2019 And for the calipers her is a screenshot of my original order from brakesint.co.uk Quote Link to post Share on other sites
Nobbyc Posted October 13, 2019 Report Share Posted October 13, 2019 look up Roc Auto in the states.82 toyota pick up petrol 4wd you can get recon calipers for $50 threads are m10 and mounting holes are metric but triumph used special mounting bolts with metric shoulders on the later tr6 whuch are available and perfect fit. Quote Link to post Share on other sites
Z320 Posted October 13, 2019 Report Share Posted October 13, 2019 (edited) Hi Steve, did you buy this as brake calipers for the Toyota Landcruiser 90? Please could you be so kind an measures the outside diameter of the pistons and tell me? And what is their weigh please (is there a benefit for the not shock absorbed weight of the front axle)? Thanks in advance, Marco Edited October 13, 2019 by Z320 Quote Link to post Share on other sites
Z320 Posted October 16, 2019 Report Share Posted October 16, 2019 (edited) Hi, anyone out there who wants to support me with the article? please email to z320@arcor.de Edited October 16, 2019 by Z320 Quote Link to post Share on other sites
Steves_TR6 Posted October 16, 2019 Report Share Posted October 16, 2019 Hi Marco yes the calipers were for a petrol landcruiser of about that vintage they fit straight on apart from the need for a slight trim of the backplate can’t measure the pistons, or weigh them, as they’re on my car ! steve Quote Link to post Share on other sites
Z320 Posted October 16, 2019 Report Share Posted October 16, 2019 Hi Steve, thanks for that confirmation. Google tell to Toyota pistons are 45 mm, the Triumph piston is 54 mm. What disc do you use? The Toyota calipers are good for 22 mm thickness (google). Ciao, Marco Quote Link to post Share on other sites
Z320 Posted October 16, 2019 Report Share Posted October 16, 2019 (edited) Back from my garage, the TR disc is only 10 mm! There would be space for a ventilated disc! Edited October 16, 2019 by Z320 Quote Link to post Share on other sites
stuart Posted October 17, 2019 Report Share Posted October 17, 2019 15 hours ago, Z320 said: Back from my garage, the TR disc is only 10 mm! There would be space for a ventilated disc! If they are then theyre well worn, just measured a new pair and they are 1/2" thick Stuart. Quote Link to post Share on other sites
Z320 Posted October 17, 2019 Report Share Posted October 17, 2019 Hi Stuart, thank you very much for watching an telling me, I did not realize, you are right! The brake pads I realized already, the will not last a long time anymore. I need both and I did nothing on the calipers since I own the car. A "triple reason" the think about a change? Ciao, Marco Quote Link to post Share on other sites
stuart Posted October 18, 2019 Report Share Posted October 18, 2019 12 hours ago, Z320 said: Hi Stuart, thank you very much for watching an telling me, I did not realize, you are right! The brake pads I realized already, the will not last a long time anymore. I need both and I did nothing on the calipers since I own the car. A "triple reason" the think about a change? Ciao, Marco Just fit new standard discs and pads then the TUV (and you) will be happy. Stuart. Quote Link to post Share on other sites
j-eichert Posted October 18, 2019 Report Share Posted October 18, 2019 (edited) Marco: If it performed without any sign of trouble - then replace the discs / pads and keep on driving. We did some runs on the Anneau du Rhin - racetrack. The brakes performed well - after the pads had settled. You could smell them cooking after the first 30min run - from then on it was fine. Regards, Johannes Edited October 18, 2019 by j-eichert Quote Link to post Share on other sites
Z320 Posted October 18, 2019 Report Share Posted October 18, 2019 (edited) Hi Stuart and Johannes, after only some minutes with Google (edit: for part number and piston size) I probably be with you. Perhaps anyway someone could be so kind and email me a scan of the article? Ciao. Marco Edited October 19, 2019 by Z320 Quote Link to post Share on other sites
Z320 Posted October 18, 2019 Report Share Posted October 18, 2019 On 9/10/2019 at 1:25 PM, MARK said: Re the very good Tr 5 - 6 Toyota brake conversion article on page 32 issue 315 of TR Action by Dennis Hobbs- Re the requirement to make new metal pipes between the hose and caliper - does the Toyota caliper have an imperial fitting or metric ? MARK Hi Mark, what about you? Quote Link to post Share on other sites
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