I recently purchased parts to rebuild the brakes on our Mk1 GT6. Today I installed a new right rear wheel cylinder. When bleeding the brakes I found the new cylinder was leaking. I took it apart and found nothing wrong but I did find it had a bore of 3/4" while the cylinder I removed was 5/8".
My question is... did I make a mistake 20+ years ago by installing the 5/8" bore cylinder or is the cylinder I installed today (3/4" bore) wrong for the car?
I'd hate to finish with the 3/4" bore cylinders only to find they applied too much force and caused the rear to lock up prematurely.
Thanks for any references you can direct me to and/or if you know which size wheel cylinder is correct for a Mk1 GT6.
Doug L.
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