Front Brake Ducts For Track -Clarification? - Page 3

TheRealJA105 · 11-16-2020, 02:19 PM

I must not be using my brakes hard enough... new PBs coming all around next year! haha

I hate when the pedal starts getting soft and gaining travel. Does not inspire confidence in me as I like a rock hard pedal.

Alpha1BC · 11-16-2020, 02:32 PM

Haha, could be! It's definitely softer than I prefer and according to PDR I'm getting pretty close to the floor with the pedal. And I don't know if it's just in my head or not but I feel like when I snap off the accelerator and get on to the brakes really quickly it stiffens up sooner and is a little more confidence inspiring, maybe that could be worth a shot? Don't know if there's some sort of prefill happening or if the rapid jump on the pedal somehow helps build corner pressure a little faster or what, but I'll have to try to remember to get some data and see if it's real or not.

TheRealJA105 · 11-17-2020, 08:57 AM

The quick jump from accelerator to brake is what normally gets ice mode hard pedal and no stoppy stop/feels like ABS...

Alpha1BC · 11-17-2020, 10:04 AM

I'm 95% certain it's not ice mode. I'm still pulling well over 1g of decel (like 1.2-1.4g range), and in this case the pedal is more firm but not "hard pedal" firm around 3/5 through full pedal travel rather than the the usual 4/5 or 9/10 of travel I feel like I get without the quick ramp-in on the brakes. Like I said I'll try to get data so I can see if it's a real thing or if it's just in my head lol.

In the meantime, another suggestion for stock pads I've heard but haven't seen posted on the forums is to scrape off the glue that holds the shim on the pads. Sounds like the glue gets super squishy and compliant when it gets hot and you can get a noticeably firmer pedal feel if you scrape it off. That's also on my list of things to try on track next year.

TheRealJA105 · 11-17-2020, 02:00 PM

Yeah that's definitely not ice mode, Ice mode is scary.

Hyperblue ss · 11-17-2020, 07:47 PM

I have the SS with the 4 pots. I live in South Florida, the roads here are flat. I have the track deflectors equipped and keep them on all year round, the car is my daily and I've yet to scrape them.

That1guy_tim · 11-18-2020, 01:50 PM

Quote:

Originally Posted by TheRealJA105

Yeah that's definitely not ice mode, Ice mode is scary.

Has there been a lot of issues with the Ice brakes on the 6th gen? I remember it being a problem on the 5th gens. and the few videos I saw it happening to 6th gens there was wheel spin before going to brakes. which would make the car think it's on ice. Luckily... Knock on wood I haven't experienced this yet on my 2018

TheRealJA105 · 11-20-2020, 10:27 AM

I've experienced it frequently during the few autocross events I've done with the car. Yes wheelspin to brakes.

I did experience it on track a few times when trying the Kumho ACR front tires (square) and hitting braking bumps on the track. It is not common on the track.

Gripp131 · 01-01-2021, 07:06 AM

Guys would adding ducts, changing pads, lines and fluids help? I'm changing my setup post 1st trackday. I want to drive on stock setup for baseline... then I will change set up.
Did anyone post part number on ducts I'm ordering an extra set for back up.

Future setup:
Castro SRF
Steel Braided lines
Carbotech XPs or something for strong for initial bite

Can anyone share the video link to ICE brake issues mentioned above?... I'm new to this car and have only 200 miles of seat time in it.

TrackClub · 01-01-2021, 08:31 AM

Quote:

Originally Posted by Gripp131

Guys would adding ducts, changing pads, lines and fluids help? I'm changing my setup post 1st trackday. I want to drive on stock setup for baseline... then I will change set up.
Did anyone post part number on ducts I'm ordering an extra set for back up.

Future setup:
Castro SRF
Steel Braided lines
Carbotech XPs or something for strong for initial bite

Can anyone share the video link to ICE brake issues mentioned above?... I'm new to this car and have only 200 miles of seat time in it.

Help with what?

I dont recall a single person reporting ice mode on ZLE regardless of pad/tire choices. I had 3 full seasons on my 17 SS 1LE and 1 (shorter) season on my 20 SS 1LE (full stock except for fluids), at 7 different venues with zero issues.
As stated above, ice mode is not an issue on gen6, except for some autox situations. I recall a vid posted a while back but frankly, to me it looked like a driver asking the car to perform unnatural acts...

Bottom line, dont worry about it, but for damn sure switch from stock fluid to DOT4 per the manual. Castrol SRF is the best, but there are others pretty equal to it as well (like Willwood EXP, etc).

PS As far as i know, based on GM commentary on ice mode, it has little to do with pads, or lines, but tires could affect the ABS calibration. But, tons of ppl have been tracking gen6 on slicks, with zero issues. But, keep in mind, models vary and dont have the same parts. So when you read feedback, ensure it pertains to your model. Lest you may start chasing your tail for no good reason. Happy new year!

11-16-2020, 02:32 PM	#30
Alpha1BC Drives: 2017 1SS 1LE Join Date: Jun 2016 Location: Detroit, MI Posts: 1,001	Haha, could be! It's definitely softer than I prefer and according to PDR I'm getting pretty close to the floor with the pedal. And I don't know if it's just in my head or not but I feel like when I snap off the accelerator and get on to the brakes really quickly it stiffens up sooner and is a little more confidence inspiring, maybe that could be worth a shot? Don't know if there's some sort of prefill happening or if the rapid jump on the pedal somehow helps build corner pressure a little faster or what, but I'll have to try to remember to get some data and see if it's real or not. __________________ 2017 SS 1LE.

11-17-2020, 10:04 AM	#32
Alpha1BC Drives: 2017 1SS 1LE Join Date: Jun 2016 Location: Detroit, MI Posts: 1,001	I'm 95% certain it's not ice mode. I'm still pulling well over 1g of decel (like 1.2-1.4g range), and in this case the pedal is more firm but not "hard pedal" firm around 3/5 through full pedal travel rather than the the usual 4/5 or 9/10 of travel I feel like I get without the quick ramp-in on the brakes. Like I said I'll try to get data so I can see if it's a real thing or if it's just in my head lol. In the meantime, another suggestion for stock pads I've heard but haven't seen posted on the forums is to scrape off the glue that holds the shim on the pads. Sounds like the glue gets super squishy and compliant when it gets hot and you can get a noticeably firmer pedal feel if you scrape it off. That's also on my list of things to try on track next year. __________________ 2017 SS 1LE.

11-16-2020, 02:19 PM	#29
TheRealJA105 Drives: 2013 C6Z06 Join Date: Nov 2016 Location: PA Posts: 1,577	I must not be using my brakes hard enough... new PBs coming all around next year! haha I hate when the pedal starts getting soft and gaining travel. Does not inspire confidence in me as I like a rock hard pedal.

11-17-2020, 08:57 AM	#31
TheRealJA105 Drives: 2013 C6Z06 Join Date: Nov 2016 Location: PA Posts: 1,577	The quick jump from accelerator to brake is what normally gets ice mode hard pedal and no stoppy stop/feels like ABS...

11-17-2020, 02:00 PM	#33
TheRealJA105 Drives: 2013 C6Z06 Join Date: Nov 2016 Location: PA Posts: 1,577	Yeah that's definitely not ice mode, Ice mode is scary.

11-17-2020, 07:47 PM	#34
Hyperblue ss Drives: 2018 Camaro 1ss Join Date: May 2019 Location: West Palm Beach, FL Posts: 17	I have the SS with the 4 pots. I live in South Florida, the roads here are flat. I have the track deflectors equipped and keep them on all year round, the car is my daily and I've yet to scrape them.

11-20-2020, 10:27 AM	#36
TheRealJA105 Drives: 2013 C6Z06 Join Date: Nov 2016 Location: PA Posts: 1,577	I've experienced it frequently during the few autocross events I've done with the car. Yes wheelspin to brakes. I did experience it on track a few times when trying the Kumho ACR front tires (square) and hitting braking bumps on the track. It is not common on the track.

01-01-2021, 07:06 AM	#37
Gripp131 Drives: 2021 ZL1 1LE Join Date: Dec 2020 Location: Cumming GA Posts: 3	Guys would adding ducts, changing pads, lines and fluids help? I'm changing my setup post 1st trackday. I want to drive on stock setup for baseline... then I will change set up. Did anyone post part number on ducts I'm ordering an extra set for back up. Future setup: Castro SRF Steel Braided lines Carbotech XPs or something for strong for initial bite Can anyone share the video link to ICE brake issues mentioned above?... I'm new to this car and have only 200 miles of seat time in it.

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