[gills]

Some good info that someone shared in my thread that is worth putting here also:

Originally Posted by 94MaxGXE

Technical data regarding the 3 BMCs.
1st BMC 15/16" bore 427psi split point w/ 0.2 reducing ratio (original to my car (S14))
2nd BMC 17/16" bore 498psi split point w/ 0.4 reducing ratio (Z32)
3rd BMC 16/16" bore 356psi split point w/ 0.4 reducing ratio (Z32)

which translates to

Front brake line pressure at 500psi
1st BMC rear line pressure: 442psi
2nd BMC rear line pressure: 499psi
3rd BMC rear line pressure: 413psi

Front brake line pressure at 1000psi
1st BMC rear line pressure: 542psi
2nd BMC rear line pressure: 699psi
3rd BMC rear line pressure: 614psi

Front brake line pressure at 1500psi
1st BMC rear line pressure: 642psi
2nd BMC rear line pressure: 899psi
3rd BMC rear line pressure: 813psi

Front brake line pressure at 2000psi
1st BMC rear line pressure: 742psi
2nd BMC rear line pressure: 1099psi
3rd BMC rear line pressure: 1014psi