Which direction are slotted rotors suppose to face?
#16
So, no, it does not matter which way the slots are facing.
#17
I just replace my tiny stock rotors/calipers in my 240SX with bigger rotors/calipers from a Q45. I also got slotted/drilled rotors instead of blanks, hoping these will give me enough braking once I take it back to Laguna Seca. The stock 240SX brakes were not enough for turns 2 and 11 on Laguna Seca.
To lobuxracer, I know you replaced the rotors on the ISF after you discovered cracks between the drill holes, what type of rotors did you go with?
To lobuxracer, I know you replaced the rotors on the ISF after you discovered cracks between the drill holes, what type of rotors did you go with?
When you say the rotors were too small for Laguna Seca, were they cooking the pads or unable to apply enough force to lock wheels?
#18
Lots of controversy over drilled and slotted, and the newer dimpled rotors. Lots of manufacturers talk about venting gasses. A regular driver, even a spirited one, will never need this function. If you do SCCA, you may benefit, but many of them don't use these types of rotors and perform well. My MB S550 comes with cross drilled rotors. Their explanation is reduction of unsprung weight. I'll go with that.
#19
This shows the proper installation of the front rotors on the MkIV Supra. We argued about this on an email list many years ago and discovered Toyota got it right. Keep in mind, as soon as the disc is rotating, the outer edge has a higher linear speed than the inner edge. This guarantees the air flow is from the root of the disc to the edge, not the other way around.
So which way should the vanes face? Each of you have posted similar images, but in different directions.
#20
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