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Re: Bleeding Wilwood brakes having issuses and ?'s [Re: mopartony] #1422449
04/23/13 12:29 PM
04/23/13 12:29 PM
Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
dartman366 Offline
I Live Here
dartman366  Offline
I Live Here

Joined: Jan 2004
Posts: 13,247
Mt. Vernon, Ohio
Tony, find someone and pressure bleed them, it's a system that forces fluid thru the systemand pushes the fluid thru under a slight amount of pressure, I have a friend that owns a repair shop and is a one man band, and thats the only way he will do it any more just hook the system to the master cylander resivoir and push it thru.


Light travels faster than the speed of sound,,,this is why some people seem bright untill you hear them speak.
Re: Bleeding Wilwood brakes having issuses and ?'s [Re: dartman366] #1422450
04/23/13 05:54 PM
04/23/13 05:54 PM
Joined: Jan 2003
Posts: 4,421
in a chair
mopartony Offline OP
master
mopartony  Offline OP
master

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Posts: 4,421
in a chair
I'm hoping to get my neighbor to help tonight. If not I have someone lined up for the weekend. Don't really want to wait until then but no choice.

Re: Bleeding Wilwood brakes having issuses and ?'s UPDATE [Re: mopartony] #1422451
04/28/13 05:44 PM
04/28/13 05:44 PM
Joined: Jan 2003
Posts: 4,421
in a chair
mopartony Offline OP
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mopartony  Offline OP
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Posts: 4,421
in a chair
Ok guys I finally got the brakes to bleed correctly.

It took some figureing, re-reading this post and some other issues but it is done, for now.

I have 600psi and an inch off the stop for the pedal. The calipers release nicely too.

I had a ton of air in the system, ended up rebleeding the M/C, none there but wanted to make sure. Put in a 10PSI residual valve. The 2 was just not working, it seemed to let too much fluid back into the M/C. I am thinking my calculations are wrong on piston dia, vs travel vs volume needed. The pedal should only go about half way before it stops moving. I use about 6" of the 7" movement. I am debating on putting a second M/C in the car but not wanting to spend the $$ to do so, but then again, we are talking about stopping...

I got all 4 corners bled, then went through and tapped them with a mallet. Good call as it released some air in the system. I found 2 leaks in the system after it was bled, so fixed those and rebled.

Only thing left before the test spin is to safety wire the bolds holding the caliper bracket, wheels and tires on, clean up, put some wriing back in place and go for a spin in the hood...

Thanks again for the help guys!!

Re: Bleeding Wilwood brakes having issuses and ?'s UPDATE [Re: mopartony] #1422452
04/28/13 05:52 PM
04/28/13 05:52 PM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
Master
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Joined: Jun 2003
Posts: 52,972
Romeo MI
Tony... make sure its all bled out but if your using
6" of travel with only 600 psi you will want a larger M/C

Re: Bleeding Wilwood brakes having issuses and ?'s UPDATE [Re: MR_P_BODY] #1422453
04/28/13 06:15 PM
04/28/13 06:15 PM
Joined: Mar 2006
Posts: 9,849
MI, usa
dvw Offline
master
dvw  Offline
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Joined: Mar 2006
Posts: 9,849
MI, usa
Quote:

Tony... make sure its all bled out but if your using
6" of travel with only 600 psi you will want a larger M/C





I agree. My car with Willwoods front and rear with a 1.032" had a lousy pedal. By going to the Mark Williams site.http://www.markwilliams.com/braketech.aspx
Plug in pedal ratio,caliper piston size,number of pistons. I swapped it for a 1.125" master per the chart. Night and day difference.

Doug

Re: Bleeding Wilwood brakes having issuses and ?'s UPDATE [Re: dvw] #1422454
04/29/13 11:06 AM
04/29/13 11:06 AM
Joined: Jan 2003
Posts: 4,421
in a chair
mopartony Offline OP
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mopartony  Offline OP
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Posts: 4,421
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I thought I had the largest available. I will check the M/W site. A friend down here is a round pounder and I am having them come over to peak at it and see if their chassis guy can build someting that will work in the limited space I have to hold 2 M/Cs then just dedicate one to front and one to rear.

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