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05-14-2012, 04:20 PM
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#1 |
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Registered User
Join Date: Sep 2010
Location: Marble Falls, TX
Posts: 1,575
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J50 brake code help!
Hey guys,
I need to get a new master cylinder/booster setup for my truck but I am having difficulty figuring out what part I need to buy. At O'Rielly's only JB3 and JB5 options are available. Would the JB5 work for my application? 77 Silverado 1/2 ton
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Michael Re-starting the neglected '77...http://67-72chevytrucks.com/vboard/s...=425464&page=9 |
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05-15-2012, 05:54 AM
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#2 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,226
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Re: J50 brake code help!
Here are the brake system release charts, for 1974 (and 1987, as a reference).
http://67-72chevytrucks.com/vboard/s...d.php?t=510519 Bottom line without even looking: It's probably a JB5. JB3 is a really light duty system and we didn't build very many of those. K
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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05-15-2012, 08:49 AM
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#3 |
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Registered User
Join Date: Sep 2010
Location: Marble Falls, TX
Posts: 1,575
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Re: J50 brake code help!
Thanks Keith, went ahead and ordered a JB5 system because I couldn't find any part number on the MC or booster for reference. JB5 system looks like what I have now.
__________________
Michael Re-starting the neglected '77...http://67-72chevytrucks.com/vboard/s...=425464&page=9 |
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