2020-B2-5

Author Topic: New Rotors Now?  (Read 585 times)

roadking77

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New Rotors Now?
« on: January 13, 2020, 04:29:46 PM »
 I would like to start the rebuild of my front (and possibly rear) brakes. I am going to look at either new calipers or having mine rebuilt. New brake lines, clean things up, etc. My question is should I put new rotors on now? I doubt the car will run under power until maybe next fall if Im lucky. Im afraid new rotors will rust up and seat against the new shoes thus fowling everything up. I had a crazy idea of taking the current rotors that are rusted badly, sand them pretty good and just put a coat of sealing paint in the mean time. Am I over thinking this?
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Captain Obvious

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Re: New Rotors Now?
« Reply #1 on: January 13, 2020, 08:07:52 PM »
I would like to start the rebuild of my front (and possibly rear) brakes. I am going to look at either new calipers or having mine rebuilt. New brake lines, clean things up, etc. My question is should I put new rotors on now? I doubt the car will run under power until maybe next fall if Im lucky. Im afraid new rotors will rust up and seat against the new shoes thus fowling everything up. I had a crazy idea of taking the current rotors that are rusted badly, sand them pretty good and just put a coat of sealing paint in the mean time. Am I over thinking this?

Some flash rust isn't going to hurt a thing. If you're storing it outside or something, that's a different story.

Gene-73

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Re: New Rotors Now?
« Reply #2 on: January 13, 2020, 08:44:44 PM »
I had the same concern a year and half ago (spring of 2018) when I installed some freshly turned rotors.  Mine is parked in the garage and there is still zero rust on them.  This is California but it does get pretty humid for 3-4 months during the winter rains.
Gene


cyber104

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Re: New Rotors Now?
« Reply #3 on: January 14, 2020, 06:37:13 AM »
Some flash rust isn't going to hurt a thing. If you're storing it outside or something, that's a different story.

+1 ...What he said
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roadking77

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Re: New Rotors Now?
« Reply #4 on: January 14, 2020, 07:43:15 AM »
Sounds like good news then. Car will be inside. I am not concerned with the flash rust at all, I just didn't know if it would get any worse than that from non use. I would rather put everything back correctly the first time around so that its DONE, and not have to come back and re-do something.
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
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Grand73Am

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Re: New Rotors Now?
« Reply #5 on: January 14, 2020, 09:14:58 AM »
If you're going to rebuild the brakes now, I'd go ahead and install new rotors now. Then you'd only have to do the work once. If you put old rotors back on, then you'd have to pull them later, doubling the installation work. They'll probably get some light surface rust, but not enough to stick to the pads. And the rust on the braking surface will come off once you use the brakes.

If you want to prevent rust on the non-braking and non-bearing surfaces of the rotor, like the outer hub and outer edges and vanes, you could paint them.
Steve F.

Captain Obvious

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Re: New Rotors Now?
« Reply #6 on: January 14, 2020, 01:52:14 PM »
I went digging through my disassembly pics from the front end of my '70. I managed to zoom in on a pic to get this - these are the rotors off of the car, which sat in a garage for 23 years before I took it and started the restoration. They looked 100% serviceable. They were blasted then turned, and are back on the car.


FormTA

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Re: New Rotors Now?
« Reply #7 on: January 14, 2020, 05:14:01 PM »
Kerry,  I put new rotors kn my car when I redid the fron subframe.  That was before my daughter was born,  13 years ago.... Still haven drove it, they did flash rust but nothing I'm concerned with. I noticed at the dealership most of the vehicles have rusted rotors too.
79 Trans am 301 (work in progress) LS swap n progress
79 Formula 301 (Work in progress)
67 RS Camaro (Work in progress)
See the recurring theme???

Names, Luke. If I hear anyone telling me they're my father....

roadking77

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Re: New Rotors Now?
« Reply #8 on: January 24, 2020, 07:43:03 AM »
So I got a box of parts the other day to do the front brakes, I would like to keep as close to stock look as possible. I decided to get new calipers as opposed to rebuilding what I had. My question - has anyone put a clear coat on the bare metal to keep it looking nice n shiny?
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
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Grand73Am

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Re: New Rotors Now?
« Reply #9 on: January 24, 2020, 08:20:06 AM »
Usually new remanufactured calipers come already painted with some cast iron gray colored paint. If so, you wouldn't have to add more paint.

If they really are bare metal, I'd clean them with some brake cleaner to remove any oils that might be on them. Then I'd spray them with a coat of epoxy primer, and then a coat of cast iron gray spray can paint. That would look better and keep them from rusting better than just spraying clear over the bare metal.
Steve F.

roadking77

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Re: New Rotors Now?
« Reply #10 on: January 24, 2020, 08:33:27 AM »
Pretty sure they are bare metal. Good advice, I think I will try that.
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

roadking77

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Re: New Rotors Now?
« Reply #11 on: January 24, 2020, 08:34:08 AM »
I was gonna post pics, but my flickr is acting up again, I think it may be in my phone.
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

scarebird

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Re: New Rotors Now?
« Reply #12 on: January 24, 2020, 08:38:21 AM »
Have them turned for trueness before mounting.

roadking77

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Re: New Rotors Now?
« Reply #13 on: January 24, 2020, 09:26:21 AM »
I didn't even know there were guys that still turned rotors! I will check with my shop and see if they do. I remember the old days when a shop did a brake job it was pads and turning the rotors, until there wasn't enough meat left on the bone to do so anymore. Now I figure labor rates are more to go that route as opposed to putting new ones on. Also, im sure its easier to find a guy with the skill level to install new rotors (me) as opposed to the guy that knows how to turn an old one.
Finished!
77 T/A - I will Call this one DONE!
79 TATA 4sp-Next Project?
79 TATA - Lost to Fire!
86 Grand Prix - Sold
85 T/A - Sold
85 Fiero - Sold
82 Firebird - Sold
'38-CZ 250
'39-BSA Gold Star
'49-Triumph 350
'52-Ariel Red Hunter
'66-BSA Lightning
'01-HD RoadKing

Re: New Rotors Now?
« Reply #13 on: January 24, 2020, 09:26:21 AM »
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