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Originally Posted by Alain
Keep hammering on it to see if the new alignment cured the wiggle and report back to us man!
That wiggle in the rear at highway pulls is a buzz kill for me since it’s really one of the few times I beat on the car. I don’t do road course so it’s twisty back roads and highway pulls for me.
I don’t see myself keeping this car forever like I want to if I can’t figure this wiggle out.
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Quote:
Originally Posted by Krzfst
I have been fighting this all year hard acceleration goes to the left then back to the right I have to get out of it feels like rear end is coming around I put all bmr parts in rear suspension helped but didn't cure it worse with my drag radials on need help on this one
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Quote:
Originally Posted by 17CamaroZL1
Same here. The 17" drag radials on the rear make it 10 times worse. With the stock rears, it barely moves and I can pretty much just keep the wheel straight, but with the drag setup (rears only) it's all over the place. I have to actually make steering corrections to keep it in my lane. The weird part is that it doesn't always do it and it's really bad sometimes and then barely wiggles others. It seems to be relative to how smooth and even the surface is. Both my local track here in London and Clay City, the rear was all over the place. Both tracks have older surfaces that is likely not nice and flat. Bowling Green completely resurfaced their strip and the car tracked perfectly straight every time during Camarofest.
If it's being caused by uneven surfaces, unhooking the front sway bar might fix it (at least at the strip). These cars are super stiff and it doesn't take much of a dip to unload one of the rear tires. So at full throttle, it makes sense that it would take way less to cause one tire to have less grip than the other. I just might have to give this a try one day and see if it helps.
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Quote:
Originally Posted by 6spdhyperblue
I would inquire with supercharged SS guys running low 10s/9s and see if they’re experiencing the same thing. I would think it can be narrowed down the the elsd then. (Would be surprised the elsd drag cal wouldn’t mitigate) Are convertible guys feeling the same stuff? The suspension are similar I’d be surprised if the difference would be enough even between ZL1 and SS.
I have a SS with magride trapping mid/low 120 depending on weather. So it might not be fast enough or have enough torque to expose that be behavior on 17” et street ss and haven’t felt that. I do have a set of softer side walled Rs ready to go...so we’ll see
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Quote:
Originally Posted by IneedAZ
For those that had this done, can you confirm it is done thru the ecm. I was told by dealer they plug a device into obd port that communicates to gm via satellite for the download.
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Wow came hear for multiple reason and going to leave more frustrated. Just picked up a used (unmodded 18 zl1) love the car but hate the rear wiggle / wag what ever you call it its not right feeling. Scheduled an appoint with a local dealer for this eLSD flash but no one has commented if it helped or addressed the rear movement under heavy loads. I to would think is has to do the the eLSD. Assuming only way to now if have the e diff locked sold some how and attempt the same hard runs to see if it has the same wiggle etc.. Anyone have any positive updates?