Wheel cylinder rebuild kit

roysuecan · Post by **roysuecan** » Sat Jul 31, 2021 2:43 pm

Just as a follow-up, I replaced my leaking wheel cylinder seal with the extra slave cylinder seal that I had. The hole is a bit smaller, as Curtis said, but it slid on with no extra effort and rotated freely on the piston. I pressurized the system overnight and I've got probably 10 hours of driving time on it now with multiple hard braking tests with no leaking. This was on my 1969 SRL with a 3/4" slave cylinder and 3/4" wheel cylinders.

DAC21 · Post by **DAC21** » Sat Jul 31, 2021 3:54 pm

roysuecan wrote: ↑Sat Jul 31, 2021 2:43 pm Just as a follow-up, I replaced my leaking wheel cylinder seal with the extra slave cylinder seal that I had. The hole is a bit smaller, as Curtis said, but it slid on with no extra effort and rotated freely on the piston. I pressurized the system overnight and I've got probably 10 hours of driving time on it now with multiple hard braking tests with no leaking. This was on my 1969 SRL with a 3/4" slave cylinder and 3/4" wheel cylinders.

What happened with the Moss Motors 3/4 kits, didn't wind up buying them?

mawaru · Post by **mawaru** » Fri Jun 03, 2022 10:15 pm

Anyone try the Moss Motors 3/4 kits? If so did they work on 3/4 cylinders?

DAC21 · Post by **DAC21** » Sat Jun 04, 2022 6:51 am

mawaru wrote: ↑Fri Jun 03, 2022 10:15 pm Anyone try the Moss Motors 3/4 kits? If so did they work on 3/4 cylinders?

The dust boot on the Moss kit, 99% chance it won't work, but the piston seal is the key component. No idea about that one. I have a few OEM. Message me if interested.

devo · Post by **devo** » Sat Jun 04, 2022 8:34 am

roysuecan wrote: ↑Thu Jul 01, 2021 11:28 pm Thanks for all the input. Datsun Roadster Parts.com is backed up and not taking orders for awhile. Does anyone else have any ideas on a substitution piston cup for 3/4" Roadster wheel cylinders?

https://www.ebay.com/itm/334463170903?h ... SwSo9imk0p

mawaru · Post by **mawaru** » Sat Jun 04, 2022 6:15 pm

DAC21 wrote: ↑Sat Jun 04, 2022 6:51 am
mawaru wrote: ↑Fri Jun 03, 2022 10:15 pm Anyone try the Moss Motors 3/4 kits? If so did they work on 3/4 cylinders?
The dust boot on the Moss kit, 99% chance it won't work, but the piston seal is the key component. No idea about that one. I have a few OEM. Message me if interested.

Got it. Thanks for the info!

mawaru · Post by **mawaru** » Sat Jun 04, 2022 6:16 pm

devo wrote: ↑Sat Jun 04, 2022 8:34 am
roysuecan wrote: ↑Thu Jul 01, 2021 11:28 pm Thanks for all the input. Datsun Roadster Parts.com is backed up and not taking orders for awhile. Does anyone else have any ideas on a substitution piston cup for 3/4" Roadster wheel cylinders?
https://www.ebay.com/itm/334463170903?h ... SwSo9imk0p

Thanks! I didn't find this when searching eBay

Datsun Roadster Forum-311s.org

Wheel cylinder rebuild kit

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