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ze Germans have changed the pedal ratio, travel goes way down, makes the car feel like the brakes are amazing
The benchmark is my Cadillac CTS Performance -- designed in US, but heavily inspired by BMW. Amazing brake feel. I've driven a lot of cars, and it's among the best.
The benchmark is my Cadillac CTS Performance -- designed in US, but heavily inspired by BMW. Amazing brake feel. I've driven a lot of cars, and it's among the best.
I wonder what the pedal ratio is on that? the Rx7's are like 5:1, and the Rx8 is like 3:1.
when you are not braking hard it makes the brakes feel amazing
I wonder what the pedal ratio is on that? the Rx7's are like 5:1, and the Rx8 is like 3:1.
when you are not braking hard it makes the brakes feel amazing
I went out with a tape measure in hopes of checking the ratio, but no luck. There's so much stuff under that IP, I couldn't access anything but the lower portion of the pedal without removing panels and ducts.
Forgot to mention that I have FC 4-piston calipers on the front. The pedal feels mushy to me with my 7/8" MC. I started a thread on this a while back, and I think you're the one that suggested the Patrol MC
Brake feel is subjective, and I'm probably spoiled by my other 2 cars, which have very firm, immediate pedals. YMMV
I finally installed the Nissan Patrol master cylinder, and it made a world of difference.
Before: FB 7/8" bore MC, FB prop valve, FC 4-piston front calipers, FB GSL-SE rear calipers, braided stainless Teflon hoses, StopTech pads
After: Nissan Patrol 1" bore MC, Wilwood rear prop valve, FC 4-piston front calipers, FB GSL-SE rear calipers, braided stainless Teflon hoses, Carbotech AX-6 pads
The Nissan Patrol MC is large. The reservoirs are totally separate and totally cylindrical, which makes them look huge. The port placement would have required a lot of tricky work to adapt to the OEM lines, so I started from scratch and made all new stainless lines with silver-soldered banjos at the MC.
There are internal residual pressure valves at both the front and rear ports (this thing was designed for drum brakes). Initially I left them in, just to see what it would feel like. The feel with the RPVs was awesome! Almost zero dead zone, firm and linear pedal, good stopping power. But . . . I checked all 4 wheels and decided the brake drag was unacceptable for a car that I put 10K miles on each year.
So out came the RPVs, and the experience was almost the same, except for a small dead zone. No brake drag.
Now I have brakes that I like! It was a lot of work, but I would definitely do it again.
Does anybody know an American equivalent of the car that uses this master cylinder or what year range of the Patrol this MC comes off of? I was trying to see if I could find one on Rockauto or through Autozone.
Does anybody know an American equivalent of the car that uses this master cylinder or what year range of the Patrol this MC comes off of? I was trying to see if I could find one on Rockauto or through Autozone.
08-29-18, 01:34 PM
