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Originally Posted by grumpy
Jon,
Sorry the NAPA number is TS-4433721 on the previous item request, the one
I noted is a NAPA/photo number for stocking/shelving purposes I will stick with the 0.998" bore slave with a 0.870" bore clutch master cylinder, and a simple 1/4" plate steel bracket over any other combinations, and there are hundreds of methods and fasteners available.
Pressure = (Leg force on the pedal) x (Pedal Ratio) divided by (Master Cylinder Piston Area) with Pi times (radius of the piston squared) times (the piston)
Used for decades on FE/Lima big block AC/COBRA type Reproductions with out a flaw. So ever what rattles your cage.
grumpy
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Grumpy I bought a Raybestos (Pep Boys) and a Napa unit, used the Raybestos unit (I liked the alignment better) but same same.
Really tried to make sure the push was in the middle of the plunger and traveling equally in the bore, instead of running on one wall, it took some time as well a tweaking the fork.
You comment 7/8" master to 1" slave is the ticket.
I have Wilwood which only has a 3/4" master (largest) and sleeved the slave to 7/8"
Being math challenged does subtracting 1/8" from each windup with the same ratio as yours?
Thanks