Thread: Timing chain rubbing?

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  1. #1 Timing chain rubbing? 
    GTP Level Member Bedwards's Avatar
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    What would cause a stock timing chain to rub at certain RPM's (1600-2000)? It's a very annoying metallic scraping noise. It's a brand new chain and tensioner.
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  2. #2 Re: Timing chain rubbing? 
    Turbo is the way to go. BillBoost37's Avatar
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    there's so much room in there, I can't fathom how .... wait, it's you Brandon. Ok, I've got an idea we are going to learn something new on this one.

    Should be able to. Dampener might have chunked and caused an issue, but that's not super common.

    Sitting back, waiting to see how the heck this is happening.

    (Thoughts to self: Ok, Being Brandon, I must thing outside of the box....like miles outside. The answer is probably here. How, how how? Boy I wish he posted some pics of that chain install. )
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  3. #3 Re: Timing chain rubbing? 
    GT Level Member RegalGS98s's Avatar
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    Including the abuse that new chain and tensioner went through will help diagnosis. I take it you still haven't checked it yet.
    SMGPFC #0330 - 3.25, Intercooled, Custom Tune, 1.84rr, LS6 Springs, roller timing chain, SLP Headers, Borla Exhaust, built Trans, B&M Trans Cooler, home cut poly uppers, gapless rings, N* TB, Ported heads.
    Soontocome: CAM?, Custom modified M112, home poured Poly Engine and Trans mounts
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  4. #4 Re: Timing chain rubbing? 
    Turbo is the way to go. BillBoost37's Avatar
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    Quote Originally Posted by RegalGS98s View Post
    Including the abuse that new chain and tensioner went through will help diagnosis. I take it you still haven't checked it yet.
    You do know what he did to it right? That's lile a 30 page post...worth the read for the conclusion.
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  5. #5 Re: Timing chain rubbing? 
    GT Level Member RegalGS98s's Avatar
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    Quote Originally Posted by BillBoost37 View Post
    You do know what he did to it right? That's lile a 30 page post...worth the read for the conclusion.
    Yep, I read the whole thing and the other post.
    http://www.grandprixforums.net/wont-...all-47330.html
    http://www.grandprixforums.net/scrap...eds-48926.html
    Just don't think everyone read through them so the background would help. I think he should check it out before the annoying metallic scraping noise becomes a bigger issue.
    SMGPFC #0330 - 3.25, Intercooled, Custom Tune, 1.84rr, LS6 Springs, roller timing chain, SLP Headers, Borla Exhaust, built Trans, B&M Trans Cooler, home cut poly uppers, gapless rings, N* TB, Ported heads.
    Soontocome: CAM?, Custom modified M112, home poured Poly Engine and Trans mounts
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