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Old 10-31-2022, 12:59 PM   #1
IsaiahW
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Join Date: Mar 2020
Drives: 2013 Subaru brz limited
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Grinding or rubbing

Im unfortunately suffering a terrible noise after doing my cd009 swap with the PBM diff and subframe risers. Ive checked hub bearings, axles(which are the 1000hp dss kit that includes the new hubs), driveshaft and anything else I think would cause problems. Its more so when I’m cruising to a stop or when i simply take my foot off the accelerator even without braking. Then i came across the whole pinion angle thing which i don’t know much about and didn’t consider it when mounting the trans. Lastly i notice very tight clearance above the diff from the trunk floor I’m not sure how much vibration is present due to the solid bushings but could that be the root of the problem. Vibration goes away when accelerating. I tried to get the best of both worlds with a strong transmission and strong axles with supporting mods to accomplish a good setup but im starting to realize there are limitations with this chassis


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