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| | | | Joined: Apr 2006 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2006 Posts: 51 | Hi Guys
Has anyone put a booster from CCP in a truck?
I need some help with installing a power brake booster in my 55 1st serie 1/2 ton Chevy truck. The Booster is from CCP. The booster is right now mounted on the frame but the rod that comes out the booster/cylinder that needs to be connected with the brakepadelarm doesn't meet the arm right. It kinda comes from an angle and I don't trust to just put a bolt through to connect it. The original rod from the cylinder is screwed on a U-joint which is mounted with the brakepadelarm.
Thanks | | | | | Joined: May 2005 Posts: 1,624 Shop Shark | | Shop Shark Joined: May 2005 Posts: 1,624 | Question: By saying U joint, are you saying the original setup had a universal joint between the brake pedal arm and the brake master cylinder?
Six volt guy living in a twelve volt world
| | | | | Joined: Apr 2006 Posts: 51 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2006 Posts: 51 | OK, its a little hard to explain.
The rod that comes out of the original zylinder has a y - shaped joint that is screwed on the end of the rod. The brakearm is mounted right in the middle of that y-shape joint and a "bolt" goes through it to hold the two together. Hope that makes more sence and sorry my bad english | | | | | Joined: Oct 2004 Posts: 348 Shop Shark | | Shop Shark Joined: Oct 2004 Posts: 348 | I HAVE HEARD THAT THE CCP BRACKET DOES NOT FIT CORRECTLY YOU MIGHT DO A SEARCH, I BELIEVE IT IS POSTED. I MAKE MY OWN FRAME MOUNT BOOSTER BRACKET, AND ORDER THE 7 INCH DUAL DIEOPHAM BOOSTER AND MASTER ON EBAY | | | | | Joined: May 2005 Posts: 1,624 Shop Shark | | Shop Shark Joined: May 2005 Posts: 1,624 | I agree with John. I don't believe and have never seen a setup where the rod from the brake arm shaft is not parallel to the input to the master cylinder. Either bend your brake arm if possible or make an adapter plate as John does to get these things to line up. I have never had to make a plate but have "egged" out the center hole in the crossmember and redrilled the mounting bolt holes on hot rods to get things to line up. When going from the old "fruit jar" setup to a modern master cylinder/booster under the floor pan you have to get quite creative, but remember, SAFETY first. You gotta be able to stop the thing every time.
Six volt guy living in a twelve volt world
| | | | | | Anonymous Unregistered | | Anonymous Unregistered | THe "U joint" is a threaded clevis and is used on many aftermarket boosters. How this rod attaches to the brake pedal is a critical element of the brake system design. Typically when upgrading to an under floor mounted power brake system on AD trucks the entire assembly is replaced with one that includes the master cylinder, booster, pedal assembly and braket.
It sounds like you may be trying to retro fit your booster to the stock pedal set up. This may be a mistake. Look into replacing the entire unit.
The geometry of the pedal to the pushrod determines how effecient your system will be and you do not want to kluge something together in this area.
This subject was addressed in a technical series in Classic Truck mag. Check their website to identify which months cover this subject. | | |
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