Keeping manual brakes - The 1947 - Present Chevrolet & GMC Truck Message Board Network

BIGBLU 72 · 10-21-2010, 05:29 PM

Is there anyway that i can keep the manual brakes on my 68 when i do a 6 lug disc conversion on the front??

cdowns · 10-21-2010, 06:31 PM

just dont use a power brake booster and you dont have power brakes

raycow · 10-21-2010, 07:40 PM

Just make sure that you get a manual MC. The way to tell is the depth of the pushrod seat in the piston. Some PB cylinders have a seat that is too shallow for a manual pushrod and it can fall out of the piston when the pedal is all the way up.

Ray

BIGBLU 72 · 10-21-2010, 09:57 PM

well my truck is already manual brakes! so will i need a master cyl from a truck that has disc/drum? how about the proportioning valve?

ERASER5 · 10-22-2010, 02:00 AM

Yes you will need a disc/drum prop valve and a disc/drum manual MC.

Here is a disc/drum manual MC from O'Reilly. There are cheaper remans, but this is a new Wagner MC. I specified a 1971 C-10 with manual brakes since all 1071 C10s had disc/drum setup.

http://www.oreillyauto.com/site/c/de...1292&ppt=C0066

BIGBLU 72 · 10-22-2010, 02:37 AM

thanks! great info definatly going to have to grab one of those!

10-21-2010, 05:29 PM	#1
BIGBLU 72 Registered User Join Date: Dec 2008 Location: Ashland, KY Posts: 700	Keeping manual brakes Is there anyway that i can keep the manual brakes on my 68 when i do a 6 lug disc conversion on the front?? __________________ 68 C10 LWB 2/4 drop 406/th400/3.73posi 04 Silverado SS LQ9 6.0/4L65e/4.11posi AWD

10-21-2010, 06:31 PM	#2
cdowns Senior Member Join Date: Jan 2003 Location: daytonabeach Posts: 22,956	Re: Keeping manual brakes just dont use a power brake booster and you dont have power brakes __________________ 71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY

10-21-2010, 07:40 PM	#3
raycow Registered User Join Date: Mar 2003 Location: San Francisco, CA USA Posts: 2,454	Re: Keeping manual brakes Just make sure that you get a manual MC. The way to tell is the depth of the pushrod seat in the piston. Some PB cylinders have a seat that is too shallow for a manual pushrod and it can fall out of the piston when the pedal is all the way up. Ray

10-21-2010, 09:57 PM	#4
BIGBLU 72 Registered User Join Date: Dec 2008 Location: Ashland, KY Posts: 700	Re: Keeping manual brakes well my truck is already manual brakes! so will i need a master cyl from a truck that has disc/drum? how about the proportioning valve? __________________ 68 C10 LWB 2/4 drop 406/th400/3.73posi 04 Silverado SS LQ9 6.0/4L65e/4.11posi AWD

10-22-2010, 02:00 AM	#5
ERASER5 Registered User Join Date: Jun 2006 Location: Indiana Posts: 4,859	Re: Keeping manual brakes Yes you will need a disc/drum prop valve and a disc/drum manual MC. Here is a disc/drum manual MC from O'Reilly. There are cheaper remans, but this is a new Wagner MC. I specified a 1971 C-10 with manual brakes since all 1071 C10s had disc/drum setup. http://www.oreillyauto.com/site/c/de...1292&ppt=C0066 __________________ '70 GMC C1500 LWB Power disc brakes. WooHoo! Posi 6 Lug Dana 60 Last edited by ERASER5; 10-22-2010 at 02:01 AM.

10-22-2010, 02:37 AM	#6
BIGBLU 72 Registered User Join Date: Dec 2008 Location: Ashland, KY Posts: 700	Re: Keeping manual brakes thanks! great info definatly going to have to grab one of those! __________________ 68 C10 LWB 2/4 drop 406/th400/3.73posi 04 Silverado SS LQ9 6.0/4L65e/4.11posi AWD

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