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Search took 0.23 seconds. Search: Posts Made By: Gforce
Forum: CANADA 07-03-2017, 09:55 AM
Replies: 117
Views: 19,496
Posted By Gforce
The improvement for the BRZ in 2017 as compared...

The improvement for the BRZ in 2017 as compared to 2015 was to handling. 5hp more isn't the difference.

Yes, Subaru upped the rear bar rate by around 30% but they also upped the front spring...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-03-2017, 09:44 AM
Replies: 79
Views: 31,547
Posted By Gforce
Expansion of the brake drum beyond the limit of...

Expansion of the brake drum beyond the limit of the stroke of the wheel cylinder.

The single advantage of disc brakes when first introduced into racing cars was that the brakes never "failed"....
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-03-2017, 09:42 AM
Replies: 79
Views: 31,547
Posted By Gforce
I understand "impulse". I'm pretty sure you don't...

I understand "impulse". I'm pretty sure you don't need this concept to discuss brake overheating.

I'm pretty sure friction heat is created instantly. At least I hope my brakes do that. I am...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-02-2017, 11:05 AM
Replies: 79
Views: 31,547
Posted By Gforce
I think stop Tech knows a few things about...

I think stop Tech knows a few things about brakes. Here's their take on this issue:

http://www.stoptech.com/technical-support/technical-white-papers/-warped-brake-disc-and-other-myths

And this...
Forum: CANADA 07-02-2017, 09:31 AM
Replies: 117
Views: 19,496
Posted By Gforce
Check out the position trace in the lap diagram...

Check out the position trace in the lap diagram shown on the video (begins at 12:58). The BRZ beats the MX5 on the straights coming out of the corner before the straight. Simple reason is much more...
Forum: Wheels | Tires | Spacers | Hub -- Sponsored by The Tire Rack 07-02-2017, 09:23 AM
Replies: 35
Views: 7,306
Posted By Gforce
Lighter wheels are always good if they are strong...

Lighter wheels are always good if they are strong enough. Since almost all tires are heavier than the Primacy you should look for the lightest wheels you can afford that are strong enough. The total...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-02-2017, 09:19 AM
Replies: 79
Views: 31,547
Posted By Gforce
Check your calculations. Ask yourself what...

Check your calculations. Ask yourself what replaces the fluid in the mc as the pads wear and where that "space" comes from. Also, consider that every time you apply the brakes the fluid leve in the...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-02-2017, 08:58 AM
Replies: 79
Views: 31,547
Posted By Gforce
Not in a drum brake system. Boiling fluid is not...

Not in a drum brake system. Boiling fluid is not brake fade. Read the second link you posted.
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-02-2017, 08:51 AM
Replies: 79
Views: 31,547
Posted By Gforce
Actually the mc needs a diaphragm type seal under...

Actually the mc needs a diaphragm type seal under the cap otherwise the piston would create a partial vacuum every time you tried to apply the brakes. Make no mistake, water contamination of brake...
Forum: BRZ First-Gen (2012+) -- General Topics 07-01-2017, 09:10 PM
Replies: 143
Views: 36,844
Posted By Gforce
Sales of the BRZ and GT86 have been rejuvenated...

Sales of the BRZ and GT86 have been rejuvenated presumably by the carefully thought out upgrades implemented by the factory.

The 2017 is a very, very good version of this car as an off the...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-01-2017, 08:52 PM
Replies: 79
Views: 31,547
Posted By Gforce
This thread is worth a recap. I've noticed over...

This thread is worth a recap. I've noticed over the years I've lurked on the fringes of this site there is a strong bias in favour of track performance and relatively little information about...
Forum: CANADA 07-01-2017, 06:38 PM
Replies: 117
Views: 19,496
Posted By Gforce
The comparison invited by posting the link to the...

The comparison invited by posting the link to the 2015 video was of the convertible Miata v the BRZ. Motor Trend suggested that the Miata enjoyed an 18% torque to weight advantage over the BRZ, which...
Forum: CANADA 07-01-2017, 03:54 PM
Replies: 117
Views: 19,496
Posted By Gforce
I believe you'll find the convertible MX5 could...

I believe you'll find the convertible MX5 could be as much as 500 lbs lighter than the lightest BRZ...

And I think the 2017 BRZ might be as much as 1.5 seconds faster than previous model years.
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-01-2017, 03:42 PM
Replies: 79
Views: 31,547
Posted By Gforce
Agreed braking distance is limited by tires. It...

Agreed braking distance is limited by tires. It is axiomatic therefore that track pads should not be used for the street. Begs the question of why anyone would try to use track pads for the street. I...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-01-2017, 03:35 PM
Replies: 79
Views: 31,547
Posted By Gforce
If the cap were to be sealed the master cylinder...

If the cap were to be sealed the master cylinder could not work. The air space above the fluid needs to be at atmospheric pressure.

Heat capacity of the braking system isn't an issue unless you...
Forum: CANADA 07-01-2017, 09:24 AM
Replies: 117
Views: 19,496
Posted By Gforce
ROFL. Did you notice the missing roof on...

ROFL.

Did you notice the missing roof on the Miata? Ever consider that the lighter vehicle weight gave the advantage to the Mazda?

And so on, give up while you still can.
Forum: CANADA 07-01-2017, 09:22 AM
Replies: 117
Views: 19,496
Posted By Gforce
Well, it doesn't, actually. You are confusing the...

Well, it doesn't, actually. You are confusing the performance of racing tires and road car tires. Aquaplaning is reduced by tread pattern. Tire width has very little effect, over the range of widths...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-01-2017, 08:58 AM
Replies: 79
Views: 31,547
Posted By Gforce
How do you know the track pads bite harder? Have...

How do you know the track pads bite harder? Have you measured the difference in stopping distances? I think you may be surprised. Your other remarks about the issues harder pads can cause are...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-01-2017, 08:56 AM
Replies: 79
Views: 31,547
Posted By Gforce
You'll need to explain this one. You must mean...

You'll need to explain this one. You must mean the car needs bigger caliper pistons. There's not much fluid circulation in a brake hydraulic system unless ABS is working hard.
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 07-01-2017, 08:54 AM
Replies: 79
Views: 31,547
Posted By Gforce
Braking system cannot be sealed. You'll need...

Braking system cannot be sealed.

You'll need to explain the heat impulse idea. The capacity remark is also incomplete.

Are you talking about making a hot brake system suddenly hotter when you...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 06-30-2017, 11:00 AM
Replies: 79
Views: 31,547
Posted By Gforce
You first. If you quote one of my facts...

You first.

If you quote one of my facts I'll get you the back up.

I say bs to your brake fluid boiling "easily". What were the measured caliper temperatures at which you say you boiled your...
Forum: CANADA 06-30-2017, 09:59 AM
Replies: 117
Views: 19,496
Posted By Gforce
In which post do I make an ad hominem argument? ...

In which post do I make an ad hominem argument?

Not sure what you wish me to back up, specific reference would help.

You might identify where I have said that camber relative to the road is...
Forum: CANADA 06-30-2017, 09:49 AM
Replies: 117
Views: 19,496
Posted By Gforce
Not correct. There remains a myth that snow...

Not correct. There remains a myth that snow requires "narrower" tires than bare pavement. If that were ever true it isn't any longer. Also, wet road performance with wider tires is comparable.
...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 06-30-2017, 09:38 AM
Replies: 79
Views: 31,547
Posted By Gforce
I was just hoping you'd post. No...

I was just hoping you'd post.

No misinformation in my post, how about yours?

Most people who think their brake fluid boiled actually suffered from water contamination from failure to flush...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 06-30-2017, 09:32 AM
Replies: 79
Views: 31,547
Posted By Gforce
Heat capacity isn't the relevant factor. You are...

Heat capacity isn't the relevant factor. You are of course correct that higher heat capacity means you can use softer brake pads.

Boiling brake fluid is an irrelevant consideration. Water...
Forum: CANADA 06-29-2017, 08:38 PM
Replies: 117
Views: 19,496
Posted By Gforce
Your discussion always seems to degenerate into...

Your discussion always seems to degenerate into ad hominem attacks. That is a certain indication that you have run out of reasonable arguments.

I notice also that you cling to your own opinions...
Forum: CANADA 06-29-2017, 08:33 PM
Replies: 117
Views: 19,496
Posted By Gforce
You answered your own question.

You answered your own question.
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 06-29-2017, 08:29 PM
Replies: 79
Views: 31,547
Posted By Gforce
Brakes are heat dissipating devices. They convert...

Brakes are heat dissipating devices. They convert kinetic energy into heat and then dissipate that to the atmosphere. There are water cooled brakes but not on road cars.

Brakes work best at very...
Forum: Suspension | Chassis | Brakes -- Sponsored by 949 Racing 06-29-2017, 08:09 PM
Replies: 87
Views: 29,273
Posted By Gforce
Not rubber, plastic. Closed cell foam plastic,...

Not rubber, plastic. Closed cell foam plastic, probably a urethane. Drilling or cutting won't affect the stability of the structure as long as you don't go overboard. Goop happens to be a self curing...
Forum: CANADA 06-29-2017, 03:27 PM
Replies: 117
Views: 19,496
Posted By Gforce
I think I've been perfectly clear that I am...

I think I've been perfectly clear that I am optimizing my BRZ as a daily driver on the street. Once you drive a race car on track you tend to lose interest in driving any road car on track. Any car...
Showing results 1 to 30 of 500
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