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Thread: BBS RS2 Stripped Bolt. Help!

  1. #1
    Join Date
    Jan 2015
    Location
    New York
    Posts
    19

    Default BBS RS2 Stripped Bolt. Help!

    hello there, im hoping i can get some help. I have a set of BBS RS2s. I was able to remove all the bolts except for the air valve bolt, seems as if they were stripped from the previous owner. If you didnt know, RS2s come with a hidden air valve that is built into one of the bolts. it just so happened that 3 out 4 of my wheels have a stripped air valve bolt. I know the rest of the bolts are titanium but im not sure if the air valve is titanium as well. Should I swallow the bullet and bring it to a machine shop (trying to keep cost as low as possible) or try with an extractor kit.

    here are some options i am considering.

    https://www.sears.com/hot-sale-4pcs-...&blockType=G8#

    https://www.summitracing.com/parts/w...ABEgL2rfD_BwE]

    IMG-4466.jpg

  2. #2
    Join Date
    Mar 2012
    Location
    Dallas, Tx
    Posts
    1,990

    Default

    It is not Ti. If you have previous used an extractor (successfully) then yes, get them out.
    Make sure to soak them in penetrating oil and use heat. You will need replacement air valves.

  3. #3
    Join Date
    Oct 2009
    Location
    Long Island
    Posts
    2,680

    Default

    extract it as Zoo stated and you can get replacements. just make sure you use the correct bit size for the extractor and be very slow with your approach. if you slip, you'll need to move up one size to the next bit and extractor.. usually the o ring on the inside of that valve is no good anyway, so its worth replacing all four valves while you're rebuilding.

    the other thing you can do if you have the right tools is get a reverse threaded m6 tap and a single bolt to match.. tap the hole, screw the bolt into that threaded hole and then backwards tighten (loosening the valve). obviously the reverse threads will act as a loosening agent when you tighten the bolt onto the valve. sorry if that was a confusing sentence.

    1990 Nissan fairlady Z32 - long term build
    '93 na miata, '91 mustang gt, '16 GSW
    -recent past-e46t,e36m,e21,b6s4,tt225.....

    "A less- assuming enthusiast probably wouldnt even think that this Z ran because of how naked the engine compartment was. The motor looks as if it just floats there, with nothing else in sight." Super Street 9/2012

    http://www.stanceworks.com/forums/sh...ad.php?t=19185

    blog spinFAB.net store spinfab.bigcartel.com

  4. #4
    Join Date
    Jan 2015
    Location
    New York
    Posts
    19

    Default

    thank you for the help! I have never had to use an extractor before so i am a little worried about damaging the threads inside the barrel. Ill try and be cautious as possible, it seems almost impossible to find the replacement parts. every where that has the part is across the world in Europe. does anyone know where i can get this part in US? BBS Titanium Jaguar Valve with Cap Cover for BBS Wheels 09.15.071

  5. #5
    Join Date
    Dec 2012
    Location
    PDX
    Posts
    609

    Default

    What I did was slowly step up drill bit sizes until just the head came off. Then, with the center removed, there was enough of a stub remaining to grab with vice grips.

  6. #6
    Join Date
    Jan 2015
    Location
    New York
    Posts
    19

    Default

    did you use a special drill bit set? i have a titanium drill bit set that cuts through metals with ease, its a slippery slope, but do you think i should use that?

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