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Author
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Topic: Resurfacing Slotted Rotors
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graylx
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Member # 3919
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posted
 
 
Just wondering if it is possible to resurface slotted rotors. I thought I heard awhile back that it is not recommended. But I am not sure. Thought somebody here could give me an answer.
Thanks. ![[patriot]](graemlins/patriot.gif)
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2012 Mustang GT
1989 Mustang LX 5.0 Notch
1995 Impala SS
Posts: 891 | From: Fresno | Registered: Dec 2003
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MR GO FAST
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Member # 2088
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posted
not different than any other rotors. Are they powerslots?
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1986 Gt that is faster than FOSTANGS pinto
Posts: 3729 | From: ATWATER/SANJO/RWC | Registered: Nov 2002
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graylx
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Member # 3919
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posted
I ordered these a long time ago, so I can't really recall for sure. I think they are Hawk's slotted rotors. Didn't use them at the time because I used some FMS 5-lug conversion rotors, so they have been sitting in garage for about a year and a half.
Could you clue me in on Powerslots? Thanks .
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2012 Mustang GT
1989 Mustang LX 5.0 Notch
1995 Impala SS
Posts: 891 | From: Fresno | Registered: Dec 2003
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wilit
Mustang Messiah
Member # 3367
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posted
I know all the cross drilled and slotted rotors I've ever used are undersized from OEM specs. Meaning, once they're at the point where they need to be resurfaced, they're out of minimum spec, and need to be thrown away. I've never used Hawk rotors, so they might be serviceable. You should call the manufacturer and find out. Even though the people on these Mustang forums have an extensive knowledge base, I wouldn't RELY on minimum rotor thickness advice on aftermarket brake rotors I got from a forum. Just my opinion.
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"If a man hasn't found something worth dying for, he isn't fit to live." - Martin Luther King Jr.
Posts: 4793 | From: 37.78514° North 122.40100° West | Registered: Oct 2003
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hoppin50
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Member # 3338
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posted
i used to work at my buddys performance shop and i turned slotted rotors all the time with no problems at all.
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90 lx with 03 cobra suspension (IRS) on airbags tuckin 18's, 89 vert under construction, 04 pocketbike racing yellow lol
Posts: 33 | From: SACTOWN........."50Reasons" | Registered: Sep 2003
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cobraracer46
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Member # 1142
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posted
turning rotors is not nessary in my opinion. I've replaced the front brake pads on my Cobra a few times with out turning the rotors and I've never had any problems.
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2001 SVT cobra convertible with a Viper T56, Fikse wheels, Griggs frame kit, roll bar, Vortech, 4:30 gears, brembo GT brakes and more.
Posts: 1172 | From: Woodside California | Registered: Apr 2002
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
quote:
Originally posted by cobraracer46:
turning rotors is not nessary in my opinion. I've replaced the front brake pads on my Cobra a few times with out turning the rotors and I've never had any problems.
![[Roll Eyes]](rolleyes.gif)
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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MR GO FAST
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Member # 2088
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posted
If there in spec. you dont need to turn them.
The acceptable runout of the rotors can be between .005-.008.(as per Wilwood brake company).
[ May 15, 2004, 11:46 AM: Message edited by: MR GO FAST ]
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1986 Gt that is faster than FOSTANGS pinto
Posts: 3729 | From: ATWATER/SANJO/RWC | Registered: Nov 2002
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stoauto
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Member # 2803
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posted
when i change my pads i ALWAYS turn my rotors, alot of times if you dont, your steering wheel could vibrate when you hit the brakes, squeal, (which is very fucken annoying)vibrate on the freeway, and you could lose over-all braking performance. you need to turn the rotors to break the glaze which was cause by the old pads, so your new pads can 'mate' to the surface properly. PLUS.... it only costs like 20$ to turn rotors. just do it right the first time.
Posts: 1054 | Registered: May 2003
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
quote:
Originally posted by MR GO FAST:
If there in spec. you dont need to turn them.
The acceptable runout of the rotors can be between .005-.008.(as per Wilwood brake company).
![[BS flag]](graemlins/bs_flag.gif)
It's just like stoauto said...
Rotors can glaze and warp due to heat and still be within spec...You also get the best brake pad-to-rotor contact area with a properly resufaced rotor....
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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jcm3man
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Member # 3834
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posted
I can resurface rotors...if you're interested.
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WWW.ALTEREDSPEED.COM
(209)234-7890
john@alteredspeed.com
Diablosport, Dyno tuning, Performance Parts, etc.
Posts: 230 | From: Tracy | Registered: Nov 2003
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MR GO FAST
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Member # 2088
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posted
quote:
Originally posted by Black94 5.0:
Rotors can glaze and warp due to heat and still be within spec
well if they are warped then they wouldnt be in spec right
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1986 Gt that is faster than FOSTANGS pinto
Posts: 3729 | From: ATWATER/SANJO/RWC | Registered: Nov 2002
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MR GO FAST
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Member # 2088
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posted
quote:
Originally posted by graylx:
Could you clue me in on Powerslots? Thanks . [/QB]
I used to sell them. I got a free set from the owner of the company last year for my 92 coupe but now I will be putting them on my 86. I sent you some information your questions. I hope it helps.
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1986 Gt that is faster than FOSTANGS pinto
Posts: 3729 | From: ATWATER/SANJO/RWC | Registered: Nov 2002
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
quote:
Originally posted by MR GO FAST:
quote:
Originally posted by Black94 5.0:
Rotors can glaze and warp due to heat and still be within spec
well if they are warped then they wouldnt be in spec right
No, they can be warped and still measure within the allowed thickness/spec...
Bascially, if you buy new brake pads resurface your rotor...
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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UNLUCKIER
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Member # 435
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posted
quote:
Originally posted by cobraracer46:
turning rotors is not nessary in my opinion. I've replaced the front brake pads on my Cobra a few times with out turning the rotors and I've never had any problems.
That is why you keep changeing them!
Posts: 1023 | From: ODENTON MD | Registered: Sep 2001
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graylx
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Member # 3919
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posted
quote:
Originally posted by stoauto:
when i change my pads i ALWAYS turn my rotors, alot of times if you dont, your steering wheel could vibrate when you hit the brakes, squeal, (which is very fucken annoying)vibrate on the freeway, and you could lose over-all braking performance. you need to turn the rotors to break the glaze which was cause by the old pads, so your new pads can 'mate' to the surface properly. PLUS.... it only costs like 20$ to turn rotors. just do it right the first time.
Yeah, pretty much everytime I change my pads I have the rotors resurfaced at the local shop. Like you mention, I also find the vibration very annoying and resurfacing eliminates this. I thought I heard in the past that you could not resurface slotted rotors. I was just running this by you guys to see if this is a load of B.S. From the responses, I gather that I can resurface slotted rotors w/o any problem.
Thanks for resolving this question, guys. Thanks for the links MR. GO FAST.
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2012 Mustang GT
1989 Mustang LX 5.0 Notch
1995 Impala SS
Posts: 891 | From: Fresno | Registered: Dec 2003
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