Spindles/Brake Pedal_Too Much Travel - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Sean C · 06-24-2015, 07:18 PM

Hey all. I've got about 3-3.5" of travel on my brake pedal before it does anything. What can be done about this? I keep having to put the pedal all the way to the floor to stop completely. I suspect I might have a leaky brake line.

Also, trying to find a decent set of wheels, but I've got 3" spindles on my hubs and it's limiting my options for a 5x4.75" lug pattern. What have you guys done to get around this? Are these spindles interchangeable?

Thanks all!

Sean

Johnny_Lamebridge · 06-24-2015, 09:54 PM

Quote:

Originally Posted by Sean C

I suspect I might have a leaky brake line.

A leaking brake line is easy to diagnose. Is the fluid level down in the master cylinder? Sound like maybe some air in the lines. I would bleed all four brakes and go from there.

Quote:

Originally Posted by Sean C

Are these spindles interchangeable?

Assuming you have front disc brakes... its easy to swap rotors to ones with a different lug pattern. What about the rear axles? Are they also 5 x 4.75"? I would think there's lots of wheel choices out there with that pattern. A lot more than 6-lug. lol

jtrichard · 06-24-2015, 11:16 PM

bled brakes/check rod from pedal to master for length/adjust brakes ....report back

vortech71chevy · 09-20-2015, 04:23 AM

I converted my truck to discs and power. i have a ton of travel before my brakes engage, but when they do they work perfect. I bled the brakes several times including gravity bleeding... nothing changes they travel. Any ideas guys?

I was thinking of switching my setup to a 72 style compound booster linkage to help with the travel. Any thoughts? Anybody done this?

slowGN · 09-20-2015, 07:54 PM

When I swapped mine over to power and disc it was the same way. From reading on here I drilled a new hole in my brake pedal one inch below the factory one. Helped a lot

chevy_mike · 09-21-2015, 10:50 AM

Quote:

Originally Posted by slowGN

When I swapped mine over to power and disc it was the same way. From reading on here I drilled a new hole in my brake pedal one inch below the factory one. Helped a lot

Yep, when going to power booster, you need to have the rod 1" lower than the factory manual brake location. This changes the pedal ratio and eliminates the extra movement of the pedal.

TopFuel1966 · 09-21-2015, 11:26 AM

http://www.mpbrakes.com/techtalk/how...ng-pedal-ratio

donthekawguy · 09-21-2015, 01:01 PM

Quote:

Originally Posted by chevy_mike

Yep, when going to power booster, you need to have the rod 1" lower than the factory manual brake location. This changes the pedal ratio and eliminates the extra movement of the pedal.

YUP! Drill the new hole and see how they work.

**Chevy Fleetside** · 09-21-2015, 01:35 PM

I used a stock GM power brake booster and didn't have to drill anything. I also adapted my adjustable rod to it.

06-24-2015, 07:18 PM	#1
Sean C Registered User Join Date: Dec 2013 Location: NE Posts: 92	Spindles/Brake Pedal_Too Much Travel Hey all. I've got about 3-3.5" of travel on my brake pedal before it does anything. What can be done about this? I keep having to put the pedal all the way to the floor to stop completely. I suspect I might have a leaky brake line. Also, trying to find a decent set of wheels, but I've got 3" spindles on my hubs and it's limiting my options for a 5x4.75" lug pattern. What have you guys done to get around this? Are these spindles interchangeable? Thanks all! Sean

06-24-2015, 11:16 PM	#3
jtrichard Registered User Join Date: Jun 2013 Location: joshua tree ca. Posts: 1,484	Re: Spindles/Brake Pedal_Too Much Travel bled brakes/check rod from pedal to master for length/adjust brakes ....report back

09-20-2015, 04:23 AM	#4
vortech71chevy Registered User Join Date: Jan 2008 Location: South Hill Puyallup, WA Posts: 78	Re: Spindles/Brake Pedal_Too Much Travel I converted my truck to discs and power. i have a ton of travel before my brakes engage, but when they do they work perfect. I bled the brakes several times including gravity bleeding... nothing changes they travel. Any ideas guys? I was thinking of switching my setup to a 72 style compound booster linkage to help with the travel. Any thoughts? Anybody done this? __________________ "We must reject the idea that every time a law is broken, society is guilty rather than the lawbreaker. It is time to restore the American precept that each individual is accountable for his actions." Ronald Reagan

09-20-2015, 07:54 PM	#5
slowGN Registered User Join Date: Oct 2014 Location: richmond, va Posts: 47	Re: Spindles/Brake Pedal_Too Much Travel When I swapped mine over to power and disc it was the same way. From reading on here I drilled a new hole in my brake pedal one inch below the factory one. Helped a lot

09-21-2015, 11:26 AM	#7
TopFuel1966 Registered User Join Date: Jul 2009 Location: Menifee, CA Posts: 471	Re: Spindles/Brake Pedal_Too Much Travel http://www.mpbrakes.com/techtalk/how...ng-pedal-ratio

09-21-2015, 01:35 PM	#9
Chevy Fleetside Registered User Join Date: Sep 2006 Location: San Francisco Posts: 4,782	Re: Spindles/Brake Pedal_Too Much Travel I used a stock GM power brake booster and didn't have to drill anything. I also adapted my adjustable rod to it. __________________ "A man and his truck, what a beautiful thing" 65 Short Fleetside BBC 65 Long Fleetside 283 3 on the tree for now. my build thread http://www.67-72chevytrucks.com/vboa...d.php?t=259536

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