[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: UFO Rotors, R&T test results.
As a public service, here are the Road & Track brake test results for the 90
V8Q, 91 200TQ, and 92 S4. Dates results were published are, respectively,
11/89; 12/90/ 7/92.
1990 V8Q 1991 200Q 1992 S4
Type of frt brake UFO UFO earthling (G60)
Rears 10.6 vented 10.6 vented 10.6 vented
Weight 3900 3645 3835
Test weight 4030 3790 3990
Weight dist. 60/40 59/41 51/49
Tires Pirelli P600 Goodyear Eagle GA Continental Sport Contact
Size 215/60ZR-15 215/60VR-15 225/50ZR-16
Braking
from 60mph 138 ft. 146 ft. 147 ft.
from 80mph 237 ft. 252 ft. 246 ft.
Pedal effort
for .5g stop 35 lb. 19 lb. 25 lb.
Fade, effort
after 6 .5g
stops from 60 mph 35 lb. 25 lb. 35 lb.
Total swept area na. na. 420 sq. in.
Swept area/ton na. na. 220 sq. in.
>From this, my take would be: If you've got a V8, stick with UFOs for a whole
variety of good reasons. There are so many unique features to the car
anyway, what's a couple of UFOs?
For the 200Q, I suppose it's a tossup, and price dictates choices, as well
as aesthetics. I liked the UFOs on mine, but made the switch when I came
upon a mint set of S4 struts and calipers. Since more people with the 200s
are apt to modify their cars, there's another rationale for considering the
switch, given that standard rotors allow one to choose among wheels, there's
a greater choice of brake pad, etc. In fact, I wonder if A8 calipers and
rotors will bolt to the S4/S6 strut assembly. Anybody know?
Notice the differences in pedal effort measurements for these cars. THis
suggests to me that there are so many variables, even with good measuring
tools, it's difficult to get consisency within a certain error factor.
- Jim