I was wondering if the brake disc on the front are the same as the rear on a 93 sc2? wanting to get a full set of drilled and slotted rotors with hps pads...
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BRAKES........
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friction is a funtion of force applied over an area. By decreasing the surface area of witch the pad is applied, the pressure on the pad that does touch rotor increases...therefor making the same amount of friction.
A 10kg mass touching a table over 1cm X 1cm area has the same amount of friction as the same 10kg but applied over 10cm X 10cm area.
Cross drilling is fine as long as it is in moderation. Its the cheap rotors that have lots of drilling that are crap. There isn't enough material left to absord heat under demanding usage (road racein/auto cross) and they tend to warp more eaisly too.
If you do get drilled rotors, youcan get he sloted/drilled ones that have like 1/2-1/3 the amount of driling that a fully drilled rotor will have.-6S Resident Mechanical Forensics member #001.
1995 SC2 Turbo 3.6L DOHC, 6sp manual, Ford 8.8 rearend running on MS3x.
1998 F-250 5.4L triton...stock.
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Some good brake info here....you might want to read it before you make your decision....
http://www.teamscr.com/rotors.html
An excerpt from another forum...
"CGGorman02-11-2005, 07:43 AM
I'm about to throw away my SECOND set of drille/slotted rotors in a period of about 8 months. My first set were from CCRotorworks. I got them Ebay. They lasted one day before cracking and warping...BADLY. Second set was/is from PowerStop. They cost twice as much as the CCRotorworks ones and they are Brembo castings. After about 8 months, they are cracked all over the place and slightly warped. They make a growling noise coming down from 65mph and vibrate the pedal some. I'm going to replace them with EBC dimpled rotors. I like the look of the drilled rotors, but I can't take any more of this crap.
My vote? Run away screaming."
I just did a Google search on this and there literally hundreds of sites out there all saying the same thing. Blank rotors (like the OEM) are the best, but slotted rotors are good if you are getting high brake temps over extended periods of time. Stay away from the crossdrilled....if they were so good then NASCAR, F1, GT would be using them...but they don't. Crossdrilled rotors don't have as much material to absorb heat either so they tend to get brake fade easier. If you really want the look of crossdrilled rotors they make ones that are not drilled through all the way called "dimpled rotors".
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Nascar uses blanks, and LeMans GT and GTS class cars are allowed to use slotted, which most of them do. But the Audi R10 (the diesel that won last year) uses blanks because of the weight of the car. I can honestly say, Saturn rotors are cheap enough, just use blanks. The autocross, drag and street guys are. I mean, how expensive is $90 every 6 months for all four rotors? And I drive HARD. Prolly not as hard as Budman, but my car is also DDed.
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I've been running cheapo JC Whitney drilled and slotted rotors for 3 or 4 years now. No problems from mine.
I guess it's a crap shoot.LSJ powered 1998 Chevy S-10 turbo
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