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4xguy
Street Queen
Posts:104
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| 09/15/2004 10:54 PM |
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I now have 4-wheel disc brakes in my '75 FJ40, but stopping (even with power brakes) is a real chore. I simply can't lock up the brakes, or stop in a decent amount of time.
I heard a rumor that you can simply swap in the master cylinder from a '82 to '85 Toy mini truck with no modifications and that this will fix all of my problems. Is this true?
4XGUY |
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Jason Gorpman, Esq. |
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4xguy
Street Queen
Posts:104
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| 11/16/2004 11:53 AM |
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| I figured it out. It turned out to be that the actuating rod between the brake pedal and the master cylinder was too short. Then I ran into another probelem with the brakes holding pressure after a while. Anyhow, the whole thing got fixed and now it stops on a dime!!!! |
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Jason Gorpman, Esq. |
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el_diabolico
Bone Stock
Posts:1
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| 05/15/2005 9:21 AM |
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| A proportioning valve is a must for rear disc conversions. |
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Colorado Cruiser
Bone Stock
Posts:20
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| 05/24/2005 3:40 PM |
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| use an fj80 master cylinder. Bolts right in. Has a larger bore and will run rear discs |
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webby4x4
Forum Admin, Magazine Editor
Rock Star
Posts:2351
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| 05/24/2005 7:07 PM |
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I used a master cylinder from a mini truck and it works awesome too! I had to play around with a few different years to get the right bore / pressue / volume, but now I can stop on a dime.
...just another option.
Rick |
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Rick Webster
Editor, 4X4REVIEW.COM - A Tork Media, Inc. Publication
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'74 FJ40 Land Cruiser
"Measure once, cut twice" |
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rjblunk
Bone Stock
Posts:5
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| 09/08/2008 11:27 AM |
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| Having the same issue - right now after putting on front and rear disc conversion for JT Cruisers my rear lock up without pressure on petal - any suggestions - I am looking at a proportioning valve. I have a master cylinder from an 86 Fourrunner on now. |
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