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Old 06-07-2015, 02:37 PM   #192
Mild2Wild
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Join Date: May 2012
Drives: Firestorm FR-S
Location: Rochester, NY
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Garage
Quote:
Originally Posted by AreteAuto View Post
Eh. Do you AutoX or track? My CV and diff blew up on the track last weekend after the deadly clicking for several weeks on the street. It'll take more than the axle nut. Several people have reported the clicking continuing after re-torquing. The culprit is the axle angle, it just is not up to the task of hard corners and acceleration.
The only solutions I can find are diff risers or bushing inserts. I wish we had shaft spacers like the S2k's.
Another piece of advice. Don't use lowering springs like I did. They increase the angle and don't provide much more resistance to axle travel than the stock springs. If you go lower, use coils to prevent the axles from reaching as extreme of angles.
I was at the drag strip and got a lot of wheel hop during one launch. The coils probably allow quite a bit of squat (7k rates all around), so the hop plus exaggerated angle greater than what it normally sees on the street most likely caused it. I am lowered what I estimate to be about 2-2.5" on BC coils with the Swift springs (don't buy these!! if I could afford to do it over again right now I would absolutely go for the 2k+ coils!!) The clicking is experienced only when the drivetrain is cold. The dealer tech couldn't hear the noise, and even when I thought that taking him for a ride so I could point it out would help, it didn't happen--the car was already warmed up. As the OEM axles are $400 and they seem to think it will take 3hrs to install them(!), I am holding off for now. Trying to decide if I should keep this car and continue down this expensive rabbit hole I'm already deep into or move on. Will probably go with DSS 600 axles as a pair when I'm forced to...
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