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Search: Posts Made By: Chris_B
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Forum: Autocrossing & Roadracing
08-18-2013, 05:02 PM
Replies: 39
Views: 2,308
Posted By Chris_B

The moisture content depends mostly on humidity....

The moisture content depends mostly on humidity. The folks in AZ have it better on this one (on most days!), where Houston really does have a problem!

Moisture does slowly penetrate the cap and...
Forum: Autocrossing & Roadracing
08-18-2013, 03:49 PM
Replies: 39
Views: 2,308
Posted By Chris_B

Quality brake fluid (pret::)ty much all anyone...

Quality brake fluid (pret::)ty much all anyone here would ever buy) is packed in a nitrogen blanket. Once that foil seal is opened, the nitrogen is replaced by regular atmospheric air and its much...
Forum: Autocrossing & Roadracing
08-17-2013, 12:37 AM
Replies: 39
Views: 2,308
Posted By Chris_B

When they are sold directly to consumers...

When they are sold directly to consumers knowingly for road use. The types of outlets this fluid is readily available from must have spooked them.

Chris
Forum: Autocrossing & Roadracing
08-16-2013, 11:54 PM
Replies: 39
Views: 2,308
Posted By Chris_B

Seems that way, but really it was illegal for all...

Seems that way, but really it was illegal for all 15 years it was on the market. FMVSS was introduced over 40 years ago and calls for clear to amber fluid. This is very old news. Obviously,...
Forum: C6 Corvette ZR1 & Z06
08-02-2013, 06:00 PM
Replies: 8
Views: 1,313
Posted By Chris_B

Definitely not the best way to achieve steel...

Definitely not the best way to achieve steel threads in an aluminum casting. However, I can't say relying on JB Weld is the safest thing to do for performance car brakes!

I would suggest looking...
Forum: C6 Corvette ZR1 & Z06
08-02-2013, 05:19 PM
Replies: 14
Views: 1,991
Posted By Chris_B

Cool! The 12C is the best handling car I've ever...

Cool! The 12C is the best handling car I've ever driven that also serves well as a daily driver. Around town, it doesn't complain or punish you for not driving hard. Yet, click a few knobs and stand...
Forum: C6 Corvette ZR1 & Z06
05-29-2013, 01:12 AM
Replies: 60
Views: 60,731
Posted By Chris_B

Again, not so much off-gassing with these pads....

Again, not so much off-gassing with these pads. And, again, these types of pads are post-cured (typically 800+°F for 12+ hours), so the binders are all but completely cooked out already. Off-gassing...
Forum: C6 Corvette ZR1 & Z06
05-28-2013, 11:22 AM
Replies: 60
Views: 60,731
Posted By Chris_B

You are generally correct as far as the initial...

You are generally correct as far as the initial green fade goes when working with iron. But for CCM rotors, two things (among others) are notably different about the pads:


They are much higher...
Forum: C6 Corvette ZR1 & Z06
05-28-2013, 02:36 AM
Replies: 60
Views: 60,731
Posted By Chris_B

Carbon-ceramic matrix (CCM) brakes can be...

Carbon-ceramic matrix (CCM) brakes can be rebedded at any time. The main difference between these and the more common iron rotors is that the CCM rotors do not really wear, so they do not contribute...
Forum: C6 Corvette ZR1 & Z06
02-15-2013, 03:45 PM
Replies: 10
Views: 755
Posted By Chris_B

The best fluid currently available is Torque...

The best fluid currently available is Torque RT700 (an upgrade to the former ProSpeed GS610). Other good ones are Castrol SRF, AP Racing PRF, Endless RF-650 and Motul RBF660 (better than RBF600)....
Forum: C6 Tech/Performance
02-09-2013, 04:15 PM
Replies: 16
Views: 3,254
Posted By Chris_B

To "directly" answer the OP, it depends! I have...

To "directly" answer the OP, it depends! I have designed and engineered both types for street and/or racing use for years. Some steel flywheels can be made lighter than aluminum, if you know what can...
Forum: C6 Tech/Performance
12-14-2011, 04:43 PM
Replies: 9
Views: 1,625
Posted By Chris_B

You have some serious errors in your math. Only...

You have some serious errors in your math. Only pistons on one side of a caliper are calculated, not both. For a six-piston caliper, use three pistons (of the actual sizes as they are often...
Forum: C6 Tech/Performance
12-14-2011, 03:32 PM
Replies: 9
Views: 1,625
Posted By Chris_B

Sorry, no. Can't work due to rotor thickness,...

Sorry, no. Can't work due to rotor thickness, piston area, front/rear brake balance, etc.
Forum: C6 Corvette ZR1 & Z06
08-30-2011, 09:11 PM
Replies: 61
Views: 19,258
Posted By Chris_B

Exactly my point -- thanks!

Exactly my point -- thanks!
Forum: C6 Corvette ZR1 & Z06
08-30-2011, 02:20 PM
Replies: 61
Views: 19,258
Posted By Chris_B

ALMS cars use carbon-carbon. The ZR1 uses...

ALMS cars use carbon-carbon. The ZR1 uses carbon-ceramic. Sorta similar, but completely different in how they function, what they need for hardware support and cooling, and pads.
Forum: C6 Corvette ZR1 & Z06
08-26-2011, 11:27 AM
Replies: 61
Views: 19,258
Posted By Chris_B

Nice post, OP! First, those rotors are iron,...

Nice post, OP!

First, those rotors are iron, not steel. BIG difference, not just semantics.

If carbon-ceramic rotors are delaminating, then there was an error made in the manufacturing process....
Forum: C6 Corvette ZR1 & Z06
08-05-2011, 03:31 PM
Replies: 14
Views: 2,489
Posted By Chris_B

PZero Nero are decent, but not up to level of the...

PZero Nero are decent, but not up to level of the Michelins. And going to 22's will do serious damage to cornering on rough surfaces. 19's would be better if they would clear the brakes. I'd hate to...
Forum: C6 Corvette ZR1 & Z06
08-05-2011, 03:36 AM
Replies: 4
Views: 3,806
Posted By Chris_B

Pads on carbon-ceramic discs will always wear...

Pads on carbon-ceramic discs will always wear faster for two reasons. They run hotter than they would with iron discs and the discs do not wear, so the pad is the one to sacrifice.

Chris
Forum: C6 Corvette ZR1 & Z06
08-05-2011, 03:34 AM
Replies: 14
Views: 2,489
Posted By Chris_B

Not exactly a proper comparison. The 22" with...

Not exactly a proper comparison. The 22" with (probably) less than stellar rubber would be like roller skates on that choppy concrete!
Forum: C6 Corvette ZR1 & Z06
08-04-2011, 01:11 PM
Replies: 10
Views: 879
Posted By Chris_B

So Ford putting them on the $160k GT was a...

So Ford putting them on the $160k GT was a mistake?

Yes, there are crappy stainless steel brake line kits out there -- more than ever these days! But to say reinforced rubber lines are better than...
Forum: C6 Corvette ZR1 & Z06
07-09-2011, 09:26 PM
Replies: 33
Views: 3,935
Posted By Chris_B

If enough people are interested, I can run a cost...

If enough people are interested, I can run a cost and feasibility study to see what it would take to make a batch of iron replacements.
Forum: C6 Corvette ZR1 & Z06
07-09-2011, 07:22 PM
Replies: 33
Views: 3,935
Posted By Chris_B

Not really the same at all. If carbon-ceramic...

Not really the same at all. If carbon-ceramic rotors are never operated at their oxidation temperatures (usually if kept below 1500°F / 750°C or so), then they will never oxidize OR wear. Iron discs...
Forum: C6 Corvette ZR1 & Z06
07-06-2011, 04:27 PM
Replies: 33
Views: 3,935
Posted By Chris_B

It is not "wear", it is oxidation that is the...

It is not "wear", it is oxidation that is the enemy of carbon ceramic. Oxidation is the reduction and conversion of carbon atoms to CO2 (1 carbon + 2 oxygen = 1 CO2), which just floats away. As...
Forum: C6 Corvette ZR1 & Z06
07-05-2011, 08:58 PM
Replies: 33
Views: 3,935
Posted By Chris_B

Just to clarify as it has already been stated,...

Just to clarify as it has already been stated, this is a rotor balance issue from the plant. Carbon ceramic rotors don't wear anyway, but they do oxidize if run at extreme temperatures for any...
Forum: C6 Tech/Performance
06-12-2011, 02:52 PM
Replies: 25
Views: 1,872
Posted By Chris_B

Again, I'm interested in repeatable results....

Again, I'm interested in repeatable results. After what I've seen done with high horsepower cars on a Dynojet, I'll pass on that technique.
Showing results 1 to 25 of 252
 
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