Det_Riot Posted July 14, 2012 Report Share Posted July 14, 2012 I'm about to purchase brakes through the ebay seller Brakemotive. I have two buddies that got their sets on their cobras and have had zero issues. Plus from the looks of it, they also are a sponsor/vendor ls1 tech so they have to be decent right?All four corners, drilled and slotted and brake pads for 160, 40 bucks a corner, has to be worth it to at least give 'em a shot right?http://www.ebay.com/itm/FRONT-REAR-KIT-4-PERFORMANCE-DRILLED-SLOTTED-BRAKE-ROTORS-AND-8-CERAMIC-PADS-/390411249302 Link to comment Share on other sites More sharing options...
Shifty Posted July 14, 2012 Report Share Posted July 14, 2012 your car is DD right and not just a show car? Stay the hell away from Drilled man.. offers no benefit. actually could hurt it Link to comment Share on other sites More sharing options...
SVTurbo 98 Posted July 14, 2012 Report Share Posted July 14, 2012 I haven't heard of any complaints so I would give them a shot and just keep an eye on them. I wouldn't expect a braking improvement over stock but they look good. Link to comment Share on other sites More sharing options...
Shifty Posted July 14, 2012 Report Share Posted July 14, 2012 Here's a tid bit of brake rotor tech:brake rotors are a rotating disc of mass. mass holds energy when moving. Removing, reducing, and limiting this energy will slow the car, hence the need for brake pads.("Well duh Chris, WTF are you babbling about??")Well, two things to keep in mind:your caliper size and designyour rotor size and design(we wont even get into pad material at this point.)so. your brake pads squeeze the rotor and slow your car. great. whats important here is heat, and mass. When those pads contact the rotor friction slows the car and heats the rotor, pads, and caliper assembly. Everything becomes instantly hot (truck weigh stations use heat cameras to determine if truck brakes are working, because even in the few seconds they need to slow to stop on the scale is enough time to heat the brakes to a point where it is clearly determinable whether they are working properly or not.)So, (i know, more blah blah.) things to keep in mind is your caliper assembly. If you're sticking with OEM calipers, a rotor close to OEM design would probably be best. When these parts heat up, the heat has to transfer somewhere. In the case of the rotor, the more mass it has, the more heat it can hold. If you have a rotor with less mass (smaller walls, drilled holes, slots down the side -- all that metal [and mass] gets removed) the heat can not be held in the rotor, it must transfer to the caliper, which will eventually heat the brake fluid and cause issues and reliability problems (hense the fact that circle track racers use ball-sack-crushing DOT 9,000 or whatever fluids.)SO.... your options, as far as im concerned, is to keep the OEM calipers and maintain a OEM-ish rotor, or upgrade both of them.Options for rotors (since thats what you're asking about)Drilled:Drilled rotors do very minimal in terms of performance. Super high-end rotors with gobs of R&D may offer more benifits, but generic drilled rotors are for looks only. They, in all honestly, reduce braking effiecincy by removing the mass from the rotor and forcing heat build up to occure on the caliper. They *do* increase performance by reducing the rotational mass of the assembly, requiring less HP/TQ to get the car moving (but you'll never notice the 8 grams worth of savings. lol)slotted:slotted rotors have the exact same description as posted above, (less mass, more heat on calps.) except they offer benifitted cooling abilities that drilled rotors lack. the veins offer more surface area for heat transfer, as well as "functional" flow opportunites (drilled also offer surface area, but very little air-flow opportunities.) They also provide the brake pad with a squeegy-effect, effectively "cleaning" the surface of the pad for more contact area (pad-to-rotor.)So far: Slotted > OEM > Drilled -- Right?Dimpled:dimpled rotors are much like drilled, except the hole doesnt go all the way through.they reduce mass (more heat on calipers.)they reduce wheel-well turbulance (oppsed to drilled)they offer more surface area for coolingthey offer no "functional flow" opportunities.(More "decoration" rotors, as far as anyone is concerned.)Now, you can get a combination of slotted/drilled or slotted/dimpled, but in the end, the drilled and dimpled locations are usually 99% ineffective unless you buy a quality name-brand rotor (SSBC, brembo, etc.)I suggest: an OEM quality rotor, since you mention youre going to re-do it later anyways. If you do want to get fancy, get slotted, as these are the most effective aftermarket options."Well what did you get, Chris??"I got Jegs Rototec drilled rotors. ($60.00 ea)"But you said drilled and dimpled are decoration rotors, and they probably do more harm than good."This is true, but my car will not be a daily driver any longer, so I'm not overly concerned with over-heating anything. On top of which, they are decorations. Just like the 3 coats of wax, chrome wheels, and the stainless steel bumper inserts. -- They add "fancy"If your car is a DD, or a car that will see some heavy duty performance, avoid drilled/dimpled rotors. stick with solid or slotted.This was a post by MustangChris recently.. So instead of trying to reiterate what he wrote... Just copied it.. Just something to think about Link to comment Share on other sites More sharing options...
Det_Riot Posted July 14, 2012 Author Report Share Posted July 14, 2012 your car is DD right and not just a show car? Stay the hell away from Drilled man.. offers no benefit. actually could hurt itNot DD just weekend toy. I've heard so many mixed opinions about drilled vs undrilled. Anyone care to explain?Sent from my DROID RAZR using Tapatalk 2 Link to comment Share on other sites More sharing options...
Brian Posted July 14, 2012 Report Share Posted July 14, 2012 This is going to be stickied. Link to comment Share on other sites More sharing options...
Shifty Posted July 14, 2012 Report Share Posted July 14, 2012 boom.... sticky... Link to comment Share on other sites More sharing options...
Det_Riot Posted July 15, 2012 Author Report Share Posted July 15, 2012 boom.... sticky...You're so useful Sent from my DROID RAZR using Tapatalk 2 Link to comment Share on other sites More sharing options...
Craig Posted July 20, 2012 Report Share Posted July 20, 2012 long story short, If you buy drilled and slotted rotors just no that the only reason you are buying them is because you like the way they look. You do not drive that car hard enough on the street to really see any difference in performance. Link to comment Share on other sites More sharing options...
330CubeGt Posted July 20, 2012 Report Share Posted July 20, 2012 long story short, If you buy drilled and slotted rotors just no that the only reason you are buying them is because you like the way they look. You do not drive that car hard enough on the street to really see any difference in performance.+1 Nuff Said.Heads up and ass kickin! Using Tapatalk 2 Link to comment Share on other sites More sharing options...
Ferocious Posted October 11, 2012 Report Share Posted October 11, 2012 Just ordered from these guys. Link to comment Share on other sites More sharing options...
Det_Riot Posted October 11, 2012 Author Report Share Posted October 11, 2012 Let us know how it goes! I never ended up ordering them because I became broke as fuck haha Link to comment Share on other sites More sharing options...
clark98gt Posted October 11, 2012 Report Share Posted October 11, 2012 I have been running front and rear drilled and slotted rotors from these guys for awhile now. No I don't road race or anything but they work just fine for me. I can't say they work any better or worse than factory. Link to comment Share on other sites More sharing options...
revhead347 Posted October 11, 2012 Report Share Posted October 11, 2012 I'm always leary of cheap deals like that. I've actually installed a bunch of ebay brake jobs and they end up working find. I have drilled rotors up front. I know they can crack, but I've never had a problem. My car is just a weekend toy too though.Kurt Link to comment Share on other sites More sharing options...