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This is a discussion on car brake questions fot the all knowing board within the General forums, part of the Caferacer.net Forums category; is there any reason i cant turn my own rotors on my lathe?? jc...

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  1. #1
    Moderator joe c's Avatar
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    car brake questions fot the all knowing board

    is there any reason i cant turn my own rotors on my lathe??

    jc



    not a pretty boy honda rider... i\'m fag on a TTR

  2. #2
    72CafeRacer's Avatar
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    hmm..dont see why not..may want to measure the thickness first to make sure you have enough for the enitial turn, and some extra incase it doesn't turn out so good. As long as its an even flat cut and the rotor stays balanced, it should work.

  3. #3
    Moderator joe c's Avatar
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    thats what i was thinking. my rotors are 120 bucks a side. so i figured a few minutes on the lathe wasnt going to kill me. easier than putting it on stands, than taking them someplace.

    j





    not a pretty boy honda rider... i\'m fag on a TTR

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    Member dubyaohohdee's Avatar
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    $120 per side? I just had mine done (Ford Ranger) i think i paid $10 per rotor. If you meant $12 then just let the shop do it.
    dubyaohohdee
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  6. #5
    72CafeRacer's Avatar
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    I think thats the replacement price...I hope...it averages around 10-20 bucks to have rotors turned, any higher price and your paying to much. It usually takes about 20min a rotor. I just take mine to O'Reilly's, drop them off, get lunch and pic them up and pay my 40 bucks to have all four done.

  7. #6
    Senior Member HackAsaw's Avatar
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    because they will vibrate/chatter if you do not dampen them and cut both sides at the same time

    both sides must also be parallel so the only way to do this is to use a brake lathe

    Accidental inventor of the worlds fastest wearing rocker arms and other edible engine parts! Try my yummy blue cheese camshafts!

  8. #7
    Senior Member HackAsaw's Avatar
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    unless you can rig up two fully adjustable cutters on your cross slide

    then all you need is that lead weighted rubber band for it's diameter
    Accidental inventor of the worlds fastest wearing rocker arms and other edible engine parts! Try my yummy blue cheese camshafts!

  9. #8
    Senior Member mikeo's Avatar
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    Joe,

    It can be done but it's a pain in the ass. First you need mount the rotor and indicate, on the lathe, the part of the rotor that faces on the truck's spindle to probably .0005" (maybe more but check the spec for total runout). Then without moving anything cut one face. If you can change the cutting tool to face the other side of the rotor without dis-mounting it then you don't need to re-indicate and just face making sure you don't thin the rotor to less than the min spec. If you can't and have to flip the rotor over then you need to indicate to the already cut side to .0005" (or less) and cut. It's a bunch of time and the reason why brake lathes were invented.

    Have fun,

    Mike O.

  10. #9
    Senior Member parks61's Avatar
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    what mikeo (jedi mind-f master) said.
    -parks
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  11. #10
    Moderator joe c's Avatar
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    ok, i thought itd just be a matter of indicating of the flat spindle area, flatening one side, then flipping it, squaring it again, then flattening the other side.

    cheapo replacements are about 120 per side. i bought em new last time, and then proceeded to gouge them in new jersey. then drove home not wanting ot do a brake job at the track.

    ive been riding the bike ever since. hmmmmmm guess its off to the shop with em. i just dont have a good place to leave my truck on stands. oh well.

    thanks for the info guys. as always, good advice.

    jc



    not a pretty boy honda rider... i\'m fag on a TTR

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