Prop Valve
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Joined: Dec 2000
Posts: 861
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From: ILL
Car: 1986 Pontiac TA
Engine: 383
Transmission: 700R4
Axle/Gears: 3.70
Prop Valve
Can anyone answer what prop valve to use when upgrading 86 rear disc to the PBR style disc. I know that the prop valve needs to be changed but do not know which one to use.
Thanks for your help.
Thanks for your help.
Member
Joined: Sep 2006
Posts: 169
Likes: 0
From: Bluefield VA
Car: 1989 IROC Camaro
Engine: Stealth Ram 355
Transmission: WC T-5
Axle/Gears: Torsion 3.42 Posi
Re: Prop Valve
I'm not sure on the TA!! If it is like the Camaro, you should not have a problem if you have J50 brake system.
Supreme Member
iTrader: (7)
Joined: Mar 2001
Posts: 6,420
Likes: 5
From: Fort Mill, SC, USA
Car: '88 Iroc, '91 RS, and a '70 RS
Engine: 5.7 TPI; 5.0 TBI; ZZ4/T56 on the ag
Transmission: A4, A4, slated to be a T56
Re: Prop Valve
You need the first design 1LE prop to be correct, I have 4 on hand.
Ed
Ed
Joined: Aug 1999
Posts: 19,282
Likes: 103
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: Prop Valve
14089496 1989 1st design: M1.0 tube nut threads (For 1982 - early 1989 applications)
10136840 1989 2nd design: M1.5 tube nut threads (Late 1989)
10136840 1990-'92: M1.5 tube nut threads.
The following link may be helpful:
https://www.thirdgen.org/forums/faq-...iscs-89-a.html
JamesC
10136840 1989 2nd design: M1.5 tube nut threads (Late 1989)
10136840 1990-'92: M1.5 tube nut threads.
The following link may be helpful:
https://www.thirdgen.org/forums/faq-...iscs-89-a.html
JamesC
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