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Originally Posted by RPS13_SR20DET
For example using 17/16" BMC and stock booster with 300zx front and stock 240sx rear will give you a very firm feel as in there isn't much pedal travel till it starts to lock up the brakes. Also it will be kinda hard to toe heel since the travel is shorten. So it would be good to add a larger booster to give you a better stock feel.
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With all due respect, this is completely incorrect. Think about it.
Stock booster = smaller = pushes less fluid per inch of pedal travel = longer pedal travel to lockup = longer distance to modulate impending lockup = easier to modulate.
Larger booster = bigger = pushes more fluid per inch of pedal travel = shorter pedal travel to lockup = shorter distance to modulate impending lockup = harder to modulate.
The larger booster was included with the automatic for lazy drivers who do not know how to modulate braking, and just slam on the brakes like a binary on/off switch.
The best setup would be manual brakes with no power booster. Higher pedal effort required to lockup + longer pedal travel = easier to modulate.
But of course that would require skill and effort to depress the brake pedal, and lazy drivers don't want that.