Datsun Roadster Forum-311s.org

Is that a 510 wagon lurking in the background?

Very nice... I did the same with a set of Nissan Z32 calipers that will eventually wind up on Red 67.5. Will be ordering the mounting kit from you in the next couple of months...

vorpal wrote: Thu Jan 09, 2025 5:35 pm
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The seal retaining c-clips were really difficult to get to stick, they were slipping off all the time. I ended up sanding slightly on the insides to try to create some friction towards the rubber seals, but it´s not exactly nice to think about them possibly popping out. Any advice?

Just out of curiosity's sake, do you happen to know the taper of the upper and lower ball joints?

spriso wrote: Sun Jan 12, 2025 4:19 pm Tangoterje wrote:

The seal retaining c-clips were really difficult to get to stick, they were slipping off all the time. I ended up sanding slightly on the insides to try to create some friction towards the rubber seals, but it´s not exactly nice to think about them possibly popping out. Any advice?

The seals can be difficult to seat if there is excessive paint or powder coating on the ridge around the opening where the piston drops in. I only use genuine Nissan seals with my rebuilds, but I have run into issues with customers who have had similar problems that you described using aftermarket seals.

Obviously, you want the seals to seat properly-- this is what protects the caliper piston from getting road debris into them and possibly scarring the bores of the piston-- and why we refuse to use Wilwood calipers (they don't have dust seals!)

Michael

However, there are two small o-rings on the upper fluid channel between the caliper halves that did not come in the seal kit and I couldn't find it in the parts diagram.

tangoterje wrote: Tue Jan 14, 2025 4:17 am Ah ok, I might have to do them again then. Pitworks kit incoming!

By the way, and this probably should be a separate thread, but I suspect there won´t be many replies anyway so I´ll write it here:
Endless S4F calipers, anyone know much about these? They´re supposedly compatible with MK63 setups, but I have my doubts that they´ll just bolt in without changing the brackets. They take 280x22mm discs, so slightly smaller diameter than the 285mm stock ones, but obviously vented. Plus they´re lighter and not so prone to flexing. I assume nobody here has these, as google turns up 0 info. I have a MK63 setup bolted up here though, with a bracket sourced from Spirit Garage in Gunma. It would be interesting to see of the S4F caliper would be a 1-1 bolt swap onto the brackets. I drove a Hakosuka in Japan with that setup two years ago, the brakes were very good! And I´ve seen them on SR311s in japanese car magazines, so I know it´s a thing.