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I Can Haz Track Car???

 
Old Mar 15, 2019, 04:43 PM
  #376  
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Build is looking good.

Will the noise level be an issue for your track/class?

A new oil pan design may help with starvation but Dry sump may inevitable with a big tire and aero. Going Dry sump is Costly but you only have to do it once.
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Old Mar 15, 2019, 08:55 PM
  #377  
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Originally Posted by Abacus View Post
Build is looking good.

Will the noise level be an issue for your track/class?

A new oil pan design may help with starvation but Dry sump may inevitable with a big tire and aero. Going Dry sump is Costly but you only have to do it once.
Thanks!

No, there's no limit on my class and all the track around here either don't have limits or the limits are pretty high. I'm not the first person to run an exhaust like this at these tracks so I'm not worried.

I'm trying to avoid a dry sump at all costs. It's expensive, adds weight, adds more points for leaking or failure, it takes up more space and has more maintenance involved. I think if I do the pan properly my only concern will be aeration of the oil.
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Old Apr 16, 2019, 10:57 AM
  #378  
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Okay folks here it is, my new steering knuckle and front brake setup for the #fakeracecar!










Custom billet aluminum knuckles made by SSB Design. 2" geometry correction, double shear tie rods with adjustable angle to dial out bumpsteer, pulls the shocks inboard to gain tire clearance, has provisions for mounting cooling ducts, sheds almost 6lbs per corner vs stock, and of course this trick radial mount caliper design. Flip through the photos and look at all the attention to detail, the machine lines, it's all gorgeous.

Wilwood Aero6 radial mount calipers, beefy forged aluminum bodies, 6 stainless steel pistons, anti knockback springs, and again, a bit lighter than stock. Wilwood also offers 3 other piston size/configurations in this body so I'm always able to swap calipers to alter brake bias if needed.

I'll be able to run anywhere between 12.5-14" brake rotors simply by changing out spacers between the caliper and knuckle, no change required to the caliper or pads. This gives a modular system that I can change to suit different track configurations or driving styles. Pad changes are a breeze, no more crush washers to potentially leak either.

Thank you again Dallas J Cutler for making this happen and always being willing to listen to my questionable ideas and nonsense. Man I love having my cake and eating it too 😁😜
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Old Apr 16, 2019, 11:20 AM
  #379  
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So much awesomeness! With those calipers and a small enough rotor any chance of fitting a 17" wheel still? Also, what's your plan for sourcing rotors?
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Old Apr 16, 2019, 12:30 PM
  #380  
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Originally Posted by heel2toe View Post
So much awesomeness! With those calipers and a small enough rotor any chance of fitting a 17" wheel still? Also, what's your plan for sourcing rotors?
They *should* fit under 17s but I only own 18s nowadays so that's not really on my radar.

As for rotors with no spacer they are made to work with stock rotors. Eventually I'll get two different sized spacers made, one to run X rotors and a larger one to run a custom 380mm rotor.
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Old Apr 16, 2019, 12:45 PM
  #381  
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Wow, those look great.

Originally Posted by ayoustin View Post
I'll be able to run anywhere between 12.5-14" brake rotors simply by changing out spacers between the caliper and knuckle, no change required to the caliper or pads
Originally Posted by ayoustin View Post
Eventually I'll get two different sized spacers made, one to run X rotors and a larger one to run a custom 380mm rotor.
380mm rotor is 15", which is outside of your 12.5"-14" range. Typo?

That's the Aero6 caliper with 41/28/28mm pistons, right? If my calculations are correct, that caliper with a 355mm / 14" rotor has almost the same front/rear bias as stock. 380mm would bias about 10% to the front, equivalent running X fronts with IX rears.

380mm is a huge rotor to fit under 18" wheels. Are you planning to re-use a 380mm rotor from some other application? Is that caliper really shallow enough to fit under 18s with a 380mm rotor?
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Old Apr 16, 2019, 01:15 PM
  #382  
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Originally Posted by Construct View Post
Wow, those look great.





380mm rotor is 15", which is outside of your 12.5"-14" range. Typo?

That's the Aero6 caliper with 41/28/28mm pistons, right? If my calculations are correct, that caliper with a 355mm / 14" rotor has almost the same front/rear bias as stock. 380mm would bias about 10% to the front, equivalent running X fronts with IX rears.

380mm is a huge rotor to fit under 18" wheels. Are you planning to re-use a 380mm rotor from some other application? Is that caliper really shallow enough to fit under 18s with a 380mm rotor?
Yea, it's a typo meant to put 15". And yes, on stock rotors it will shift the bias to the rear a bit (I'm getting around this by running a lesser compound in the rear). And with the X rotors the bias is almost back to stock.

The 380mm will be custom 2 piece setup. A custom center hat with an off the shelf ring. According to my calculations, it will fit under some 18s but it'll be close. I'm not in a rush to find out right now though. The 380mm stuff is probably 1.5-2 years out. I don'f see myself needing massive brakes right now and the money is better spent elsewhere.
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Old Apr 17, 2019, 06:15 PM
  #383  
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Man that is pure art. I dig the calipers as well.
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