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This noise is fant under acceleration and not at all when coasting. But shows up bad when you are triing to maintain one speed. The car is a 2006 sc car with 13000 miles. The tranny had the rpm trannsmition stage 1 clutchs and steels kit 500 miles ago. It also has a rpm transmition 3.15 diff kit.
I vote rearend. And charge your fricken phone, it's beeping. Let me know when we get to pull it all apart and take over where others obviously left off.
Last edited by samdweezel05; Jul 31, 2009 at 08:28 PM.
Sounds like rearend whine for sure. I would play around with some fluid changes/limited slip additive changes etc before tearing it apart though, you might be able to get it to run a little more quietly with some Amsoil fluids.
You have a few options if the noise truly bothers you that much.
You can install new gears and make sure that they do it properly/perfectly (because reinstalling/realigning the current ones isn't often recommended as the wear pattern has already 'set').
Or you can go with my suggestion, Amsoil fluid and additive to possibly quiet them down a little more and just live with it (probably what I would do).
This is all assuming that it is in fact the rear that's making the noises (and I do believe that it is) of course.
That is really loud - I heard a similar noise last week during a road trip when I came up behind an 18 wheeler...turned off my radio and thought something was definitely wrong with my car until I realized it was the truck's tires! There's no way I could live with that noise...I'd have the rear looked at for sure. Good Luck.