So last year racing on my 7 year old wore out drag radials I was having traction trouble. So I installed the HR rear bar and new clutch discs from a reputable vendor. Raced earlier in the year and just turned it down to keep the tires under it. Yesterday I went to the track with new slicks on it for the first time. Headed to the line with utmost anticipation, 2800 rpm - 4 psi foot brake launch with zero ramp, 23 psi. Felt it break traction a few times and some kind of shake at the top of first. After that I had an open diff. Pulled the cover and spiders out today and found the disc splines are totally shredded. I still had the oem’s I pulled out last year so I slid them on the spiders and they’re tight as can be. Did I get a shitty set of discs? Anybody had similar issilues? Is there anything I could’ve done wrong?
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