jeremyriv

I have a 1st Gen, and since my brother is a machinist, I thought maybe he could cross drill my rotors... good idea? or bad one?

Will they still be structurely secure? Or will the drilled rotors be weak and apt to shatter? Any ideas where to get some cross drilled ones for a 1st gen?

I mean... this guy is great... he knows what he is doing, but is not sure if it is OK to do!

Another possibily would be for him to make new rotors for me altogether... and maybe this way he can throw a new lug pattern on? Maybe? HELP!!!!!

Taz

iTrader: (1)

http://www.mazdatrix.com/j-drill.htm

Scott 89t2

do not drill!!! they will crack. real ones are made like that, not drilled. but even the made ones will crack. there is no point to them. they won't make anydifference. just get new stock rotors

13BAce

If you want better rotors for a street car slotted would be a good choice.

Jerk_Racer

Why bother? It's not like you'll have organic pads that'll get a nasty layer of gas. If your're running organic pads in the first place, there's a mistake already. Today's performance orientated pads don't gas out much at all. If brake fade is a problem, then change your fluid and but in some SS brake lines and take it from there. Most people get x-drilled because they look cool ::cough, cough honda crowd::. If you must get special rotors, get slotted. The holes will crack, whether they are drilled or cast. The metal will eventually fatigue, and then the cracks are formed around the holes.

jerk_racer@hotmail.com

jeremyriv

Wow.... a boatload of knowhow just pulled into port!

Heh heh heh

Seriously... thanks alot guys... here I am thinking that X drilled is the way to go, but you are telling me better... thanks alot

Now back to the other post... wheel adapters anyone???

ka8legend

It depends a lot on the material used and who's drilling them. A lot of members seem to have pretty good experience using Brembo based rotors and none have cracked so far, that I can recalled. Some of them had it on for over 3years, which is plenty good for me.

Jerk_Racer

If your brother is a machinist, you probably could get the suspension and braking system from the front of a FC. I have no idea how to make it work, but I know it's been done before. It was on a Option2 vol.33 (RX-7 special). Now that would be a cool project. Good luck.

jerk_racer@hotmail.com

maxcooper

I think it depends on what you use them for. Cross-drilled rotors crack under road race conditions. I've seen several people take their car to the track and kill their cross-drilled rotors in less than one day. On the street, they might last as long as non-drilled rotors.

I have cracked up three sets of Brembo non-drilled rotors on my FD on the track in the past two years, so I don't think they would last when drilled. My latest set was cryo-treated and that has prolonged their life noticably, but they are starting to crack now. I didn't know what to believe about cryo before, but I got it done for free and the results have impressed me. I cryo'd the pads and they have lasted longer, too.

Cars with bigger, drilled rotors may not have problems (i.e. Porsches), but drilling rotors that are too small in the first place is asking for trouble if you go road racing.

-Max

SpeedRacer

I bought an 87 GTI about 3 years ago. It came with cross-drilled rotors that the previous ownwer did himself. He did a pretty decent looking job of it. I ran the car decently hard for about 2 years, and they never cracked. But I still wouldn't recommend getting cross-drilling them after purchase. I currently have Brembo x-drilled on my RX-7 now and I have driven the **** out of them for the last 8 months and have had no problems. Driving the **** out of them means several 30-60 HARD driving sessions on twisty roads with lots of elevation changes, as well as 5-6 Auto-x's(although auto-x doesn't give you much of a chance to heat up your brakes). As long as you aren't going to be doing any track days, or club racing or anything, then I'm sure you'd be fine with x-drilled rotors. In case you are curious I use Hawk HP+ pads with my Brembo's and they work GREAT. They squeek a lot, and they dust like crazy, but damn do they stop my car in a hurry. And plus I still have about 1/2 pad life left after 8 months of HARD driving on them which is amazing to me.

madboy

Im still looking for opinons on the best pads...

I hear Hawk 9 x out of 10 so far

If its Hawk whats a good price?


Thanks,