yes directional the vanes in these rotors are curved and not straight like mostDirectional? Any vented rotor will exhaust hot air just like a centrifuge throws stuff outwards as it spins.
Yeah, some aftermarket rotors are DIRECTIONAL vaned and they act like a fan pulling in cool air to cool the rotors. Putting these kind of rotors on wrong would result in a heat soaken rotor.
Flip the sides, 2 min job.
they didSeems silly to me. I'm willing to bet they didnt do that on aftermarket rotors.
I've never seen a vented rotor that didnt pull air in the open back while forcing hot air out the top. Air is gonna come out the top regardless.
Almost all racing rotors and quite a few aftermarket upgrades use curved vane rotors which are directional. They will not cool as efficiently if installed backwards.
I like it. One small suggestion -- you can take it or leave it -- would be to paint the oval on the calipers ford blue. If the lettering shows as silver (even if it is indented) it would really pop.
they were on the one's I sold I'am not saying that they had slots or cross drilled holes just curved cooling fins that exhale hot not inhale coldPerformance rotors sure. On replacements for an Aerostar I never saw it on any rotor I sold.
they were on the one's I sold I'am not saying that they had slots or cross drilled holes just curved cooling fins that exhale hot not inhale cold
for example note the different part numbers for the rotors
so maybe I'am just showing my age:help:I know what you're saying but I've sold probably a thousand rotors and never noticed anything curved on an oem style replacement. Plenty of them have left and right part numbers but I never noticed anything different about the vents. A lot of times on slightly older models the right/left numbers would be replaced in the system by one number which always made me think the left/right difference was nothing to worry about it the first place.
No need to roll your eyes. All I'm saying is I never noticed anything odd about rotors that came as left/right. They all looked like the straight vents that every other rotor had.