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Old 01-21-2025, 03:37 PM   #295
JANNETTYRACING

 
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Drives: BLUE CAMARO ZL1 1LE M6
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Quote:
Originally Posted by calypso50kid View Post
https://youtu.be/6XMIlasKtjw?feature=shared


This is what I’ve been dealing with, can’t really even get into the power band of the engine before it starts darting left or right. No real
Crown on this section of road. Gonna continue to go other things. Working on getting some toe links and lockouts along with camber lockout stuff from SPL to see if locking all that down helps
This looks like a tire issue.
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Old 01-21-2025, 04:09 PM   #296
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Quote:
Originally Posted by JANNETTYRACING View Post
This looks like a tire issue.
one of the things im changing as well, waiting on some goodyears to get delivered so i can mount them next week.
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4.58@151 BBC powered 585 ci 9000+ rpm
https://youtu.be/wSz2OedlNSI?si=SnPoqreXFQ7NLYX8

2018 ZL1 1LE 416ci LME long block, 2650, reflex port injection, full e85, tick performance tr6060, monster triple disc, DSS drive shaft, g force axles. 1182hp@7100 #Fuelslut
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Old 01-22-2025, 07:49 AM   #297
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Great video showing the rear end under power.
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Old 01-22-2025, 08:26 AM   #298
radz28
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Quote:
Originally Posted by calypso50kid View Post
https://youtu.be/6XMIlasKtjw?feature=shared



This is what I’ve been dealing with, can’t really even get into the power band of the engine before it starts darting left or right. No real
Crown on this section of road. Gonna continue to go other things. Working on getting some toe links and lockouts along with camber lockout stuff from SPL to see if locking all that down helps
Quote:
Originally Posted by mlee View Post
Perfect video of this issue
Quote:
Originally Posted by calypso50kid View Post
one of the things im changing as well, waiting on some goodyears to get delivered so i can mount them next week.
YUP!!! That's it!!!

Please keep us posted on what you find. Tires are next for me.
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Old 01-23-2025, 03:27 AM   #299
george
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Mine is a 2017 ZL1. How can I tell if it was updated? I brought it in for a battery wire recall in 2019 and it’s been going to a dealer for all its oil changes.
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Old 01-23-2025, 07:34 AM   #300
JANNETTYRACING

 
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Quote:
Originally Posted by george View Post
Mine is a 2017 ZL1. How can I tell if it was updated? I brought it in for a battery wire recall in 2019 and it’s been going to a dealer for all its oil changes.
Someone physically has to connect the car to GM SPS and check.
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Old 01-27-2025, 10:06 PM   #301
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Quote:
Originally Posted by ZLElvira View Post
Torque and Brake vectoring is REAL... it even says it in the Performance Supplement Manual. TRUSTING that is giving up everything you know about how to drive and relying on the computers. Kinda like how F1 drivers have to rely upon the aero... stay safe and slow, and there isn't enough downforce to make the turn, yet speed up and hold the line and she will be planted every time.
Your post is very interesting. Because these menus and tables were on my HSV RHD ZL-1. I tried to use them, but they didn't work correctly it seemed. When Ted looked at it, he asked me if I had messed with them, which I hadn't cause I don't know shit about this type of thing. I haven't checked it since Ted's initial re-tune. They did some weird stuff with these 375 ZL-1s. I wonder if these tables were put on these cars down under for a reason. Or if the menu is there and HSV tried to manually insert tables. IDK. Just guessing but it does seem strange. Thank you for your post...
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Old 02-09-2025, 07:18 AM   #302
calypso50kid
 
Drives: 2018 zle, 03 cobra, 92 mustang lx
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little update to my situation, mounted some new goodyear sc3 non R tires in 1le sizes. Similar results. Then went ahead and added some BMR toe arms with lockouts, had the car aligned, took them 6 hours on the rack. They could not get less then -3.5 degrees of camber on the driver side front, thought the car may have been hit. After spending several hours on it my self and the alignment shop owner agreed that we needed to move the cradle. Shifted the cradle and got the alignment into my specs. -2.7 front camber, 0 toe, -1.4 camber in rear with .2 of total toe in the back. Couldnt really get on it much after as it had rained while the car was on the rack but found a dry stretch of freeway it seems to have fixed the issue while in 4th gear at least. Need to get out once this weeks weather gets better and try some more acceleration with more favorable conditions.

To note, front toe when I came in was toed out and so was the rear, so this very well could have been alignment issues for this car.
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Owner and driver of the worlds fastest naturally aspirated drag radial car. Hays Consulting and Performance

4.58@151 BBC powered 585 ci 9000+ rpm
https://youtu.be/wSz2OedlNSI?si=SnPoqreXFQ7NLYX8

2018 ZL1 1LE 416ci LME long block, 2650, reflex port injection, full e85, tick performance tr6060, monster triple disc, DSS drive shaft, g force axles. 1182hp@7100 #Fuelslut
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