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Search: Posts Made By: manualbrakes.com
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Forum: Brakes
06-22-2018, 01:21 PM
Replies: 7
Views: 830
Posted By manualbrakes.com

Re: Mod the MC to get more rear disc action?

Are you having trouble stopping the car at the end of a 100+ MPH run?

Are you having trouble holding the car at the line when power braking?

The 1992 rear calipers come with a 40mm (1.57”)...
Forum: Organized Drag Racing and Autocross
05-18-2018, 11:17 AM
Replies: 28
Views: 5,657
Posted By manualbrakes.com

Re: 89 Formula: How to go to manual brakes?

Usually, I would recommend a 7/8” bore master cylinder with your LS1 Front and stock rears.

You will have a longer pedal stroke going with a smaller bore master cylinder, but you will get...
Forum: Organized Drag Racing and Autocross
05-17-2018, 05:40 PM
Replies: 28
Views: 5,657
Posted By manualbrakes.com

Re: 89 Formula: How to go to manual brakes?

What is the bore size of your master cylinder?
Forum: Organized Drag Racing and Autocross
04-15-2018, 01:03 PM
Replies: 28
Views: 5,657
Posted By manualbrakes.com

Re: 89 Formula: How to go to manual brakes?

Hello,

Give me a call if you have questions about a third gen f-body manual brake conversion.

PH: 832-264-5566

We can walk through your setup and size the master cylinder to your front and...
Forum: Brakes
04-13-2018, 09:22 PM
Replies: 19
Views: 1,048
Posted By manualbrakes.com

Re: Brake shoes and drums - Any suggestions?

Is this a daily driver, auto cross, road race, etc?

Tires, wheels, and pads/shoes are the most important part of any brake system.

You could have the biggest rotor, 6 piston, 4 wheel disc brake...
Forum: Brakes
03-12-2018, 02:38 PM
Replies: 12
Views: 3,722
Posted By manualbrakes.com

Re: looking to convert to manual brakes, need guidance

No, you should not have to change out the 1LE caliper. The metric, single piston, D154 calipers from 1982-1997 were the only ones LOW drag on the third gen f-body, g-body, and S10 trucks and SUVs.
...
Forum: Brakes
03-10-2018, 03:16 PM
Replies: 12
Views: 3,722
Posted By manualbrakes.com

Re: looking to convert to manual brakes, need guidance

Though the 1LE calipers have more pistons, they require roughly the same amount of brake fluid to fill them as the stock single piston caliper, so the master cylinder size will stay the same. I would...
Forum: Brakes
03-01-2018, 03:32 PM
Replies: 12
Views: 3,722
Posted By manualbrakes.com

Re: looking to convert to manual brakes, need guidance

You can buy new, but any remanufactured caliper will work as they will most likely be rebuilt to NON low drag (normal) specs. Why? Because they will work with both the 1982-1997 step bore master...
Forum: Brakes
03-01-2018, 01:20 PM
Replies: 12
Views: 3,722
Posted By manualbrakes.com

Re: looking to convert to manual brakes, need guidance

Don't forget www.manualbrakes.com.

http://www.manualbrakes.com/f-body.html

Call me if you have any questions about the conversion.
Forum: Brakes
01-03-2018, 02:14 PM
Replies: 63
Views: 100,197
Posted By manualbrakes.com

Re: Manual Brake Installation with Pictures

Parts are in the mail. Let me know if you have any questions.
Forum: Brakes
01-03-2018, 08:35 AM
Replies: 63
Views: 100,197
Posted By manualbrakes.com

Re: Manual Brake Installation with Pictures

Sorry about the issues with shipping. Please give me a call and let me know what is missing so I can get it shipped to you as soon as possible.

Phone: 832-264-5566
Forum: Brakes
06-28-2017, 12:56 PM
Replies: 63
Views: 100,197
Posted By manualbrakes.com

Re: Manual Brake Installation with Pictures

I pulled this information from the CPP website. I include this information on this thread because, during a manual brake conversion, the differential valve in the proportioning/combination valve may...
Forum: Brakes
05-25-2017, 05:10 PM
Replies: 6
Views: 1,182
Posted By manualbrakes.com

Re: Still can't lock the rear brakes.

In my opinion, you should hold off on $70 pads because even glazed over pads will lock up your tires on gravel if the rear calipers has enough clamping force.

Check if your bleeders are at the...
Forum: Brakes
05-25-2017, 01:19 PM
Replies: 6
Views: 1,182
Posted By manualbrakes.com

Re: Still can't lock the rear brakes.

I take it that your calipers are NON adjustable, but have you tried the free travel adjustment on the rear calipers?
...
Forum: Brakes
05-10-2017, 11:31 AM
Replies: 63
Views: 100,197
Posted By manualbrakes.com

Re: Manual Brake Installation with Pictures

Master Cylinder Bleeding Proceedures for a strait bore master cylinder.

NOTE: DO NOT bench bleed a master cylinder on the car. There may not be enough piston travel when bolted on the car. Use a...
Forum: Organized Drag Racing and Autocross
03-10-2017, 11:20 AM
Replies: 234
Views: 75,006
Posted By manualbrakes.com

Re: convert to manual brakes

I do sell the KITS. My website is going through a design change and hopefully it will be up by the end of the day. You can still purchase through my eBay account until the "new and improved"...
Forum: Organized Drag Racing and Autocross
03-10-2017, 10:39 AM
Replies: 234
Views: 75,006
Posted By manualbrakes.com

Re: convert to manual brakes

In my opinion, With large, wide tires in the back and small, skinny tires up front, the prop valve becomes fairly useless. The bias that is built in to the stock prop is for the same size tires on...
Forum: Organized Drag Racing and Autocross
03-10-2017, 08:32 AM
Replies: 234
Views: 75,006
Posted By manualbrakes.com

Re: convert to manual brakes

Thanks. Typo fixed. It was early in the morning.
Forum: Organized Drag Racing and Autocross
03-10-2017, 07:25 AM
Replies: 234
Views: 75,006
Posted By manualbrakes.com

Re: convert to manual brakes

The front calipers are the only ones that are LOW drag and will need a step bore master cylinder to work. If you go with a strait bore master cylinder, the front calipers will need to be changed to...
Forum: Brakes
01-19-2017, 03:00 PM
Replies: 26
Views: 19,629
Posted By manualbrakes.com

Re: Rear Drum Brake Upgrades

http://porterfield-brakes.com/product_info.php?productID=4022
Forum: Brakes
11-18-2016, 09:37 PM
Replies: 23
Views: 6,622
Posted By manualbrakes.com

Re: Brake Caliper options

:thumbsup:
Forum: Brakes
11-18-2016, 11:33 AM
Replies: 23
Views: 6,622
Posted By manualbrakes.com

Re: Brake Caliper options

OK, I didn't think this would escalate like this. I apologize. I did not and do no intend to bash big brake conversion and I hope I didn't come across that way. Yes, a 10.5" rotor is one of the...
Forum: Brakes
11-17-2016, 02:53 PM
Replies: 23
Views: 6,622
Posted By manualbrakes.com

Re: Brake Caliper options

A single piston floater caliper clamps (pinches) on both sides of the rotor. You don't double the clamping force by have 4 pistons with two on both sides of the rotor, that is not how the math works...
Forum: Brakes
11-16-2016, 11:02 PM
Replies: 23
Views: 6,622
Posted By manualbrakes.com

Re: Brake Caliper options

I agree with the above statement.



I agree with the fade with smaller rotor because it cannot absorb the heat and the pad is not designed to work with the heat. I am not sure where the...
Forum: Brakes
11-16-2016, 02:31 PM
Replies: 23
Views: 6,622
Posted By manualbrakes.com

Re: Brake Caliper options

If getting stock replacement calipers, anything from rockauto.com have been of very good quality for stock replacement remanufactured calipers. $30 each (plus shipping) with deposit charge. You can...
Forum: Brakes
11-16-2016, 11:53 AM
Replies: 23
Views: 6,622
Posted By manualbrakes.com

Re: Brake Caliper options

You are correct on the fixed calipers and caliper stiffness, but we are working with the stock front brake system. A stock 2.5" diameter piston is 4.9 square inches. You have to measure the piston...
Forum: Brakes
11-16-2016, 07:53 AM
Replies: 23
Views: 6,622
Posted By manualbrakes.com

Re: Brake Caliper options

Any of the stock replacement calipers at rockauto.com are the cheapest you will find anywhere and are of good quality.

Don't be fooled by the single piston design of the stock front calipers. ...
Forum: Brakes
10-22-2016, 04:23 PM
Replies: 26
Views: 19,629
Posted By manualbrakes.com

Re: Rear Drum Brake Upgrades

No tool that I know of, but here are some "techniques".

http://www.elcaminocentral.com/showthread.php?t=22939
Forum: Brakes
10-21-2016, 06:45 PM
Replies: 26
Views: 19,629
Posted By manualbrakes.com

Re: Rear Drum Brake Upgrades

If this is mostly a street/auto x car, you want to keep the stock wheel cylinder size which is 3/4" bore diameter. This size will have ample stopping power with properly set and rebuilt rear drum...
Forum: Brakes
10-18-2016, 06:01 PM
Replies: 5
Views: 2,876
Posted By manualbrakes.com

re: Will a Strange/Mopar master bolt up to the brake booster?

I think what is hurting you now is your low pedal ratio. It needs to be around 6 to 1 which is about 33% more leverage than you have now which equals more line pressure. The other thing that may be...
Forum: Brakes
10-18-2016, 03:35 PM
Replies: 5
Views: 2,876
Posted By manualbrakes.com

re: Will a Strange/Mopar master bolt up to the brake booster?

What size master cylinder are you using?
What front calipers are you using?
What rear calipers are you using?
Forum: Brakes
10-03-2016, 06:28 PM
Replies: 14
Views: 2,216
Posted By manualbrakes.com

Re: Aluminum drums

At that price, its the easiest and cheapest bolt on upgrade. You get less weight and higher heat dissipation over steel drums. Unless you go with a full on light weight drag rear disc setup, you...
Forum: Organized Drag Racing and Autocross
09-27-2016, 02:16 PM
Replies: 234
Views: 75,006
Posted By manualbrakes.com

Re: convert to manual brakes

Your push rod should be at a slight downward angle when the brake pedal is not pressed because of the way the geometry of the stock third gen pedal assembly is designed.

I am also guessing that...
Forum: Brakes
09-13-2016, 02:45 PM
Replies: 7
Views: 1,777
Posted By manualbrakes.com

Re: Manual brake conversion

Most of the twin piston bolt in calipers have a smaller piston area and will have less clamping force when using the same size calipers. In my opinion, the best caliper for the stock front brakes...
Forum: Brakes
09-12-2016, 06:55 PM
Replies: 7
Views: 1,777
Posted By manualbrakes.com

Re: Manual brake conversion

Hello,

Number of pistons DO NOT matter. Piston area is what matters.

Stock 3rd Gen front piston area of a single 2.5" diameter piston is 4.91 square inches.
Stock LS1 F-body front piston area...
Forum: Brakes
09-11-2016, 09:41 AM
Replies: 21
Views: 2,500
Posted By manualbrakes.com

Re: BMR MBK001 manual master

To test your current master cylinder, plug both ports of the master cylinder and slowly pump the pedal. If the pedal gets very firm with little movement, hold the pedal down with some pressure for...
Forum: Brakes
09-10-2016, 08:44 PM
Replies: 21
Views: 2,500
Posted By manualbrakes.com

Re: BMR MBK001 manual master

Yes. 1 inch travel at the pin

From your picture, it looks as if the pushrod is in the correct location for your setup
Forum: Brakes
09-10-2016, 05:53 PM
Replies: 21
Views: 2,500
Posted By manualbrakes.com

Re: BMR MBK001 manual master

If you moved the push rod up on the pedal with out moving the master cylinder up on the firewall, the last half of your pedal stroke it not moving the master cylinder piston much at all because the...
Forum: Brakes
09-09-2016, 07:50 PM
Replies: 21
Views: 2,500
Posted By manualbrakes.com

Re: BMR MBK001 manual master

I have used those calipers with a 7/8" bore master cylinder and had good results.

The 1.03" bore master cylinder that you have will give a firm pedal, but the clamping force at the front and rear...
Forum: Brakes
09-06-2016, 12:11 PM
Replies: 21
Views: 2,500
Posted By manualbrakes.com

Re: BMR MKB001 manual master

Measure the outside diameter of the pistons of the ACFO calipers just to make sure they are 2.75". I don't have experience with the AFCO version, but the CPP Big Bore calipers I bought a few years...
Forum: Brakes
09-05-2016, 07:52 PM
Replies: 21
Views: 2,500
Posted By manualbrakes.com

Re: BMR MKB001 manual master

If you have stock, from the factory calipers, they are LOW drag and need a step bore master cylinder to function correctly. This is why you get about 3/4 of travel before you get some pedal...
Forum: Brakes
07-03-2016, 01:49 PM
Replies: 8
Views: 1,513
Posted By manualbrakes.com

Re: Need HELP with brake spongyness

If you clamp off the rear line and take it for a safe drive (not too fast), is the pedal better?

This is, in my opinion, the best way to bench bleed a step bore master cylinder...
How To Bench...
Forum: Brakes
07-01-2016, 02:51 PM
Replies: 8
Views: 1,513
Posted By manualbrakes.com

Re: Need HELP with brake spongyness

I doubt the rear caliper piston size will be an issue. If there is any differences in piston size, it is very small and would not cause issues.

If you are pulling in air, this may be an issue,...
Forum: Brakes
07-01-2016, 11:29 AM
Replies: 8
Views: 1,513
Posted By manualbrakes.com

Re: Need HELP with brake spongyness

I would eliminate variables to narrow down what is causing the issue.

First, plug the hole of the master cylinder feeding the rear brakes. This should be the front port of the master cylinder. I...
Forum: Brakes
06-18-2016, 08:20 PM
Replies: 63
Views: 100,197
Posted By manualbrakes.com

Re: Manual Brake Installation with Pictures

Customer's manualbrakes.com manual brake conversion installation.

319267 (http://s724.photobucket.com/user/malibudave/media/manual%20brakes/3rd%20Gen%20Master%20Setup.jpg.html)
Forum: Brakes
05-08-2016, 09:18 AM
Replies: 13
Views: 6,211
Posted By manualbrakes.com

Re: whos using wilwood master cylinder?

Thing to note here is that the Wilwood master cylinder will be mounted at an angle when using the stock F-body power vacuum booster and bracket. The Wilwood master cylinder has two reservoirs built...
Forum: Brakes
02-20-2016, 07:07 PM
Replies: 2
Views: 436
Posted By manualbrakes.com

Re: Master Cylinder Seal Kit - Where Too Find?

Rockauto.com ?
Forum: Brakes
02-19-2016, 01:54 PM
Replies: 63
Views: 100,197
Posted By manualbrakes.com

Re: Manual Brake Installation with Pictures

In short, the output will most likely change because you will be using a different diameter rotor for the rear than the front. But if the rotor size is the same front and rear, then the rotor torque...
Forum: Brakes
02-19-2016, 10:46 AM
Replies: 63
Views: 100,197
Posted By manualbrakes.com

Re: Manual Brake Installation with Pictures

Wilwood-120-8924 has a 2.75" diameter piston and is NON low drag. These WILL NOT work with 7/8" bore master cylinders. A 7/8" bore master cylinder cannot supply the volume of fluid needed for the...
Forum: Brakes
02-18-2016, 11:19 AM
Replies: 63
Views: 100,197
Posted By manualbrakes.com

Re: Manual Brake Installation with Pictures

Below is an analysis using the Brake Torque Calculator found on Pro-Touring.com. This calculator will give you an idea of what brake torque is for a certain front and rear setups. I am just going...
Showing results 1 to 50 of 77
 
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