1989 PBR disc brake PROPORTIONING VALVE
#1
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iTrader: (4)
Joined: Sep 2007
Posts: 150
Likes: 1
From: stockton, CA
Car: 1991 z28 vert/91 rs vert/85 TA vert
Engine: stock tpi 305/tbi 305/tpi 305
Transmission: 700r4/ 5 speed
Axle/Gears: 4th gen rear in progress/stock
1989 PBR disc brake PROPORTIONING VALVE
This valve was removed from a 1989 formula 350. It had front steel calipers and rear aluminum PBR calipers. A must have if doing a drum to disc swap..... $60 shipped USPS priority mail...
#2
Member
Joined: Jun 2009
Posts: 105
Likes: 0
From: south coast mass.
Car: 1991 camaro z28 convertible
Engine: 383 tpi
Transmission: t5
Re: 1989 PBR disc brake PROPORTIONING VALVE
i am interested i have a 91 camaro rs that i want to put i 9-bolt pbr disk into but need the valve. do u take paypal???if so i will purchase asap (as soon as u respond)
#5
Re: 1989 PBR disc brake PROPORTIONING VALVE
Don't mean to meddle, but just thought I'd point out that the threads were different on most of the 89 prop. valves compared to a 91. GM changed the thread pitch on the lines going into the valve right towards the end of 89. I had to figure out which thread pitch I had on my 89 before putting a new valve on it. Turned out to be the earlier style.
#6
Joined: Aug 1999
Posts: 19,282
Likes: 97
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: 1989 PBR disc brake PROPORTIONING VALVE
Perhaps the following will help:
1st design: M1.0 tube nut threads (For 1982 - early 1989 applications)
2nd design: M1.5 tube nut threads (Late 1989+)
Good luck to buyer and seller.
JamesC
1st design: M1.0 tube nut threads (For 1982 - early 1989 applications)
2nd design: M1.5 tube nut threads (Late 1989+)
Good luck to buyer and seller.
JamesC
#7
Thread Starter
Member
iTrader: (4)
Joined: Sep 2007
Posts: 150
Likes: 1
From: stockton, CA
Car: 1991 z28 vert/91 rs vert/85 TA vert
Engine: stock tpi 305/tbi 305/tpi 305
Transmission: 700r4/ 5 speed
Axle/Gears: 4th gen rear in progress/stock
Re: 1989 PBR disc brake PROPORTIONING VALVE
I sold the one from the formula. I do have another from an 89 iroc-z, same disc setup, front steel and rear pbr aluminum calipers. $60 shipped
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1989, 1991, 86, 89, brake, camaro, dementions, disc, gen, images, proportining, proportion, proportioning, size, thread, valve