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07-23-2024, 08:44 AM
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#1 |
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Registered User
Join Date: Jul 2017
Location: herminie, pa
Posts: 313
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Aluminum QTU master cylinder ports?
Hi everyone, I’m going to replace the brake lines on my truck, and I’m not confident that the previous owner plumbed everything correctly. It’s an 87 v10 with an aluminum master cylinder that I believe is the quick take up design. On those master cylinders, which port goes to the front wheels? Thank you!
__________________
2009 GMC Sierra 1500 2006 Buick Lacrosse 1987 Chevrolet V10 1972 Chevrolet c20 350/350 1967 Chevrolet Biscayne ls3 swapped |
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07-23-2024, 11:07 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: Aluminum QTU master cylinder ports?
The one with the big reservoir. Little reservoir is for the rear.
K
__________________
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/ Last edited by Keith Seymore; 07-24-2024 at 06:34 AM. |
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07-23-2024, 09:17 PM
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#3 |
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Registered User
Join Date: Jul 2017
Location: herminie, pa
Posts: 313
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Re: Aluminum QTU master cylinder ports?
Now I’m slightly confused. The front reservoir of the master is deeper than the rear, but the rear reservoir is the larger of the two. Now I’m inclined to think that the rear reservoir is for the front brakes. What do you think?
__________________
2009 GMC Sierra 1500 2006 Buick Lacrosse 1987 Chevrolet V10 1972 Chevrolet c20 350/350 1967 Chevrolet Biscayne ls3 swapped |
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07-24-2024, 06:33 AM
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#4 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,226
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Re: Aluminum QTU master cylinder ports?
Yes - rear reservoir services the front brakes.
It's done that way for hood clearance (you can really see it on an Astro/Safari van master cylinder of the same era). K
__________________
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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07-24-2024, 09:14 AM
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#5 | |
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Registered User
Join Date: Jul 2017
Location: herminie, pa
Posts: 313
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Re: Aluminum QTU master cylinder ports?
Quote:
__________________
2009 GMC Sierra 1500 2006 Buick Lacrosse 1987 Chevrolet V10 1972 Chevrolet c20 350/350 1967 Chevrolet Biscayne ls3 swapped |
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07-24-2024, 09:16 AM
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#6 |
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Registered User
Join Date: Jul 2017
Location: herminie, pa
Posts: 313
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Re: Aluminum QTU master cylinder ports?
My master cylinder was plumbed backwards by the previous owner.
__________________
2009 GMC Sierra 1500 2006 Buick Lacrosse 1987 Chevrolet V10 1972 Chevrolet c20 350/350 1967 Chevrolet Biscayne ls3 swapped Last edited by s10mk; 07-24-2024 at 09:45 AM. Reason: Add context |
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