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#1
09-03-2006, 05:21 PM
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Drilled Rotors or Stock Rotors?
Ive been planning on replacing my front rotors because im getting some vibration when i brake now, but I dont know if i should buy drilled/slotted rotors or just replace them with OEM. I understand that the stock ones heat up quickly due to the weight of the vehicle and also that there to thin, but wouldnt drilled or slotted rotors be even thinner or weaker? Any suggestions?
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#2
09-03-2006, 05:27 PM
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Most members get slotted or dimple drilled rotors or slotted and dimple drilled rotors. The dimple drilled are drilled 1/8 inch into the rotor like the slot is and the rotor is not as weak as the ones drilled all the way through the rotor. It is a preference with what you want. Some members claim that the slotted are the best way to go. I haven't seen any proof of which are the best, but I would stay away from the drilled ones. Good luck. Oh, and if you are going to do that, the next best thing you can do is go to the braided stainless steel brake lines. They make a big difference.
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. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19
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#5
09-03-2006, 05:56 PM
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Quote:
The SS lines won't expand as much as the stock brake lines when you press on the brake pedal, thus putting more hydraulic pressure on the pads, which results in firmer braking. Make sure to do a thorough job bleeding all of the air out of the system after you install them! Earl was dead on with his suggestion to go with slotted or dimple drilled & slotted rotors. Going to these rotors with SS lines should be the first thing any new SVX owner does with their car. -Bill
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Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker
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#6
09-03-2006, 06:09 PM
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I have been using slot and drilled rotors on my 92 LS-L for a year now with no problems so far and a lot better braking. I bought mine from NAPA with a lifetime warrenty the part numbers are PR86350L and PR86350R. They were a little spendy though. As far as the braided stainless steel brake lines go they are suppose to have less expansion and no blockage in the lines which equals quicker brake response. You can buy them off www.motorsportwarehouse.com. I installed a set on my car and I noticed a difference. I don't know what brake pads you are planning on going with ,but I recommend Akebono Pro-ACT ceramics they have a nice bite to them, last a long time(depending on how you drive I guess) and very low dusting. The part number for the front set is ACT333. I don't have part number for the rear set. Hope this helped some.
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#7
09-03-2006, 07:04 PM
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I have the RaceConcepts slotted/dimpled front and rear rotors, Goodridge stainless steel brake lines and the Akebono ProACT ceramic pads all around. They give me impressive braking performance under all conditions. They are quiet, do not squeal and produce no brake dust at all. In fact now my rear wheels now get dirty before my front ones do.
Until they warm up, their braking performance is equal to stock for the first stop or two. Once they do, the hotter they get, the better they perform. Highly recomended! .
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. Subaru Ambassador 1996 Polo Green LSi #216..138,100 miles...SOLD JFICX8659TH100216.....Date of Manufacture: November 16, 1995..... Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan In-Service Date: January 2, 1997 "The Pristine Green Polo Machine” First Polo Green on the Network First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000) First 5000K HID factory fog lights (2007) First SVX JDM BBS wheels on a USDM SVX (2013) HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler. R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016  2014 Hyundai Avante Limited ... 203,000 miles. Actually quieter and smoother than the Outback  2007 Mazda Miata MX-5 PRHT...102,000 miles. Plenty of parts, service and windshields. 4th Registered Network member —2/21/2001 My NEW locker..I...My Email..I..Wikipedia/SVX . . Last edited by svxcess; 09-04-2006 at 11:48 AM.
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#8
09-04-2006, 09:13 AM
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Sometimes you get a vibration when you have to much PSi in the tires. I got my from RaceConcepts slotted and drilled with some pads to. in all it was about $510 with shipping. They will take about one week to get in
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#9
09-04-2006, 10:49 AM
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Thanks for all the help everyone. I'll be sure to take everything you guys said in consideration. How hard is it to replace a brake line? Is it under the How-To? Thanks again for all the help. I really appreciate it.
Aaron
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#10
09-04-2006, 12:10 PM
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I just looked and there is not a How-To on the brake lines. Sorry, that is one that we need to get in there with some pictures. I will work on that.
__________________
. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19
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#12
09-04-2006, 03:40 PM
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It is pretty straight forward in changing them. Just get all of the air out of the lines. It wouldn't hurt to flush the lines anyway. Good luck.
__________________
. Earl .... ... .... ><SVX(*> Subaru Ambassador [COLOR=”silver”]1992 Tri Color L[/COLOR] ~45K (06/91) #2430 1992 Dark Teal LS-L ~184K (05/91) #0739 1992 Claret LS-L ~196K (05/91) #0831 1992 Pearl LS-L ~103K (06/91) #1680 1992 Pearl LS-L ~151K (06/91) #2229 1992 Dark Teal LS ~150K (07/91) #3098 (parts car) 1992 White LS-L ~139K (08/92) #6913 1993 25th AE ~98K (02/93) #164 1993 25th AE ~58K (02/93) #176 1993 25th AE ~107K (02/93) #215 1993 25th AE ~162K (02/93) #223 1994 Laguna Blue Pearl LSi ~124K (1/94) #2408 1994 Laguna Blue Pearl LSi ~144K (10/93) #1484 1994 Laguna Blue Pearl LSi ~68K (10/93) #1525 1994 Barcelona Red LSi ~46K (02/94) #2624 1994 Pearl LSi ~41K (12/93) #1961 1995 Bordeaux Pearl LSi ~70K (02/95) #855 1996 Polo Green LSi ~95K (03/96) #872 1997 Bordeaux Pearl LSi ~55K (08/96) #097 2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951 1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420 My Email | Old Locker | New Locker | Picture of 15 of the 19
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#13
09-04-2006, 07:02 PM
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A good set of undimpled or slotted rotors will stop a car faster than slotted/dimpled will 95% of the time. Mine lasted 140k on my SVX with no vibration whatsoever. Replaced because they were out of spec in size. You can get Chinese made rotors for about $40 a set fronts and $50 a set rears. Most are decent too, It is only when the rotors become insanely hot (which for normal spirited driving should never happen in reality). Changing fluid and bleeding the brakes does much more than anything I've ever noticed from ss lines. If you do decide to go with ss lines it isn't all that hard provided you know how to bleed brakes. I wouldn't waste my money buying them from a premade company as they tend to have plastic strut mount tabs (which will break from heat and then you just lost any advantage you might have gotten) besides, look in the phone book for a local hydrolic shop. Take you're old ones in and in a day you'll have industrial grade ss hoses for less than what you'd pay from an aftermarket supplier.
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British vehicles are my last ditch attempt to keep the nasty Italian thoughts in my mind at bay. So far its working.
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