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Old 08-06-2019, 11:46 PM   #1
prd72
 
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Drives: 14 Z/28 #180
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Track Day Maintenance

I'm doing a track day at the end of the month and I need to do the following:


Change engine oil/filter
Transmission fluid
Rear diff fluid
Brake fluid DOT 4


Any recommendations on brands would be appreciated and good places online to buy.


Anyone know the min thickness of pads and rotors. The link from another thread was dead.


Thanks
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Old 08-07-2019, 08:13 AM   #2
1970judge

 
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I use:
1) Mobil 1 15w-50 and PF64 (track prep guide)
2) GM OE trans fluid
3) GM OE diff fluid
4) been running AP racing radical R2, but switching to Castrol SRF.

Its not the rotor thickness, its the weight. They have a min weight.

TRACK PREP GUIDE HERE: https://www.camaro5.com/forums/showthread.php?t=493755
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Old 08-07-2019, 08:27 AM   #3
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I stick to Mobil 1 for oil (weight is your call -- I use 50 for track)

I follow the Chevrolet recommendations for fluid as they have not steered me wrong. Have had issues with high end/priced diff and tran fluids in the past in a Corvette.

My brake fluid choice is Castrol SRF. Flush once a year and never need to bleed during the season of about 12-15 days.

Pads: You are for the most part done at 4mm. Reminder the thinner they get the faster they use material (heat). If your car has low miles you'll not have to concern yourself with rotor weight. Plenty of threads on here about the CC rotors and when and how to determine whether they are used up.

Correct me if I am wrong, but it sounds like your first track day... if so, I wouldn't be to concerned with all the fluids, pads, etc. if your car has been maintained per factory recommendations. Go, have fun, change fluids afterward. The factory pads are of high quality.

BG



Quote:
Originally Posted by prd72 View Post
I'm doing a track day at the end of the month and I need to do the following:


Change engine oil/filter
Transmission fluid
Rear diff fluid
Brake fluid DOT 4


Any recommendations on brands would be appreciated and good places online to buy.


Anyone know the min thickness of pads and rotors. The link from another thread was dead.


Thanks
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Old 08-07-2019, 08:44 AM   #4
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Follow the PDF in thread
https://www.camaro5.com/forums/showt...ht=track+sheet
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Last edited by j o n; 08-07-2019 at 08:59 AM.
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Old 08-07-2019, 09:18 AM   #5
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I will be the one nay-sayer in here and tell you to stay away from Mobil 1. Joe Gibbs, Valvoline, or Redline 15W-50 for the track. DO NOT USE 5W-30. I learned this the hard way, with 12 out of my 16 rockers to being damaged. Not worth the chance of valve train failure.

As for the rest, everybody is spot on. I've been using Motul 660 for my brakes and I haven't had any fade yet, but I'm thinking of giving SRF a shot next go around just to compare feel.
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Old 08-07-2019, 10:06 AM   #6
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My 2 cents: I've been using Castrol SRF for several years and have been pleased overall but started noticing the brake pedal travel was long. I did some research and found that the SRF fluid compression is one of the worse among high dollar brake fluids.
I have recently switched to the Brembo HTC fluid and have noticed a significantly more responsive pedal that stays very consistent through long runs.
As others have stated, I use the recommended Mobil oil, 15w-50 and the AC-Delco diff fluid and change both every two track days.
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Old 08-07-2019, 10:20 AM   #7
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Same here for items 1-3, except I am using Motul 660 for brake fluid. I would not hesitate to use Castrol SRF either.




Quote:
Originally Posted by 1970judge View Post
I use:
1) Mobil 1 15w-50 and PF64 (track prep guide)
2) GM OE trans fluid
3) GM OE diff fluid
4) been running AP racing radical R2, but switching to Castrol SRF.

Its not the rotor thickness, its the weight. They have a min weight.

TRACK PREP GUIDE HERE: https://www.camaro5.com/forums/showthread.php?t=493755
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Old 08-07-2019, 11:24 AM   #8
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shoulda woulda coulda... took my recently purchased 10k mi Z/28 for the second track day yesterday and boiled the brake fluid during the third session. Guess I'll be more mindful of fluid changes from here on.
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Old 08-07-2019, 12:20 PM   #9
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Quote:
Originally Posted by SCZ View Post
shoulda woulda coulda... took my recently purchased 10k mi Z/28 for the second track day yesterday and boiled the brake fluid during the third session. Guess I'll be more mindful of fluid changes from here on.
how did you know you boiled the brake fluid???
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Old 08-07-2019, 12:44 PM   #10
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started to lose the pedal. came off the track and the pedal went to the floor. no brakes at all. let it cool down and had brakes. changing all fluids before we drive it again. glad to see the track prep pdf on here today! couldn't have been posted at a better time for me. live and learn.
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Old 08-07-2019, 01:04 PM   #11
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Thanks for the info guys

Not my first time to the track but only get 1 or 2 events a year. Only one this year.
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Old 08-07-2019, 07:20 PM   #12
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I'm a huge fan of Amsoil lubricants (I run it in everything) and Castrol SRF (it has the highest wet boiling temperature, once a can of brake fluid is opened I consider it wet)
Good luck
Craig
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Old 08-08-2019, 01:03 PM   #13
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Quote:
Originally Posted by SS Performance View Post
I'm a huge fan of Amsoil lubricants (I run it in everything) and Castrol SRF (it has the highest wet boiling temperature, once a can of brake fluid is opened I consider it wet)
Good luck
Craig
My Corvettes never liked Amsoil in the differential... noise, clunks... all solved by going back to the factory LS diff fluid with their additive.

I'd run nothing else.
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Old 08-08-2019, 01:27 PM   #14
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Quote:
Originally Posted by Biergut View Post
My Corvettes never liked Amsoil in the differential... noise, clunks... all solved by going back to the factory LS diff fluid with their additive.

I'd run nothing else.
GM's trans fluid offers similar results
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