Brakes Fix

Coleydog · 10-21-2017, 06:11 PM

Quote:

Originally Posted by Darrel Goheen

When I stage now it's like I have power brakes. If I bracket race next weekend I'm going to try footbraking with no 2 step.

How well does it stop at speed? Does it pull or try to lock up the rears?
Mike

Eman · 10-22-2017, 11:41 AM

Unless the MC is a stepped bore, one section a different size bore than the other,I don't understand the hydraulic principle of how braking is improved by swapping lines. Generally MC's have the same bore throughout and the difference between ports is the size of the resevoir. The disc brake section has a larger reservoir so as the pads wear there is enough fluid to fill in.
Possibly your pedal rod doesn't have full travel as it's binding as it goes into the MC many times due to rod relocation attempting to increase pedal ratio.

340Cuda · 10-22-2017, 11:51 AM

If you want to really be able to hold you car on the line with disk brakes, go with the dual rear calibers. In my experience they work very well. Mine are Strange but I would think others would work well also.

Bill

chris ok · 10-22-2017, 02:34 PM

Pedal ratio is most impoetant on these aftermarket brakes. I am in the middle of it finding my ratio is 7 to one when I need 6-1. I have approx 800 psi and and going to make pedal correct this week looking for 1000 at rear.
Always listen to the manufacturer of your master cylinder.
It did not click w me intil we spoke at work and realized its like using a pry bar and the leverage needed.
Chris

Eman · 10-22-2017, 10:06 PM

If your ratio is 7:1 and you reduce it to 6:1 you will have less leverage therefore less multiplied force resulting in lower brake pressure.

chris ok · 10-22-2017, 11:41 PM

Sorry i had it backwards. Thank you for the correction. It is what i meant.

Darrel Goheen · 10-23-2017, 02:18 AM

Quote:

Originally Posted by Coleydog

How well does it stop at speed? Does it pull or try to lock up the rears?
Mike

I didn't notice anything other than holding it on the line. I'm not normally a finish line braker. I only ran it 11 passes after swapping the lines.

10-22-2017, 11:41 AM	#2
Eman Member Join Date: May 2014 Location: E TN Posts: 468 Likes: 16 Liked 133 Times in 76 Posts	Re: Brakes Fix Unless the MC is a stepped bore, one section a different size bore than the other,I don't understand the hydraulic principle of how braking is improved by swapping lines. Generally MC's have the same bore throughout and the difference between ports is the size of the resevoir. The disc brake section has a larger reservoir so as the pads wear there is enough fluid to fill in. Possibly your pedal rod doesn't have full travel as it's binding as it goes into the MC many times due to rod relocation attempting to increase pedal ratio.

10-22-2017, 11:51 AM	#3
340Cuda VIP Member Join Date: Apr 2003 Location: Tulsa, Oklahoma Posts: 1,657 Likes: 3,802 Liked 759 Times in 330 Posts	Re: Brakes Fix If you want to really be able to hold you car on the line with disk brakes, go with the dual rear calibers. In my experience they work very well. Mine are Strange but I would think others would work well also. Bill

10-22-2017, 02:34 PM	#4
chris ok Senior Member Join Date: Jul 2002 Location: Long Island, New york Posts: 592 Likes: 131 Liked 46 Times in 29 Posts	Re: Brakes Fix Pedal ratio is most impoetant on these aftermarket brakes. I am in the middle of it finding my ratio is 7 to one when I need 6-1. I have approx 800 psi and and going to make pedal correct this week looking for 1000 at rear. Always listen to the manufacturer of your master cylinder. It did not click w me intil we spoke at work and realized its like using a pry bar and the leverage needed. Chris

10-22-2017, 10:06 PM	#5
Eman Member Join Date: May 2014 Location: E TN Posts: 468 Likes: 16 Liked 133 Times in 76 Posts	Re: Brakes Fix If your ratio is 7:1 and you reduce it to 6:1 you will have less leverage therefore less multiplied force resulting in lower brake pressure.

10-22-2017, 11:41 PM	#6
chris ok Senior Member Join Date: Jul 2002 Location: Long Island, New york Posts: 592 Likes: 131 Liked 46 Times in 29 Posts	Re: Brakes Fix Sorry i had it backwards. Thank you for the correction. It is what i meant.