G-Body Disc Disc Proportioning Valve Question

D

Doug Chahoy

G-Body Guru
Nov 21, 2016
881
575
63
#21
Yes it's 4 wheel discs . So my brake lines will hook up, correct? No other changes?
 
Anubis

Anubis

Royal Smart Person
Mar 30, 2012
1,624
833
83
#22
Yes it's 4 wheel discs . So my brake lines will hook up, correct? No other changes?
If the physical dimensions and mounting holes on your TA prop valve are the same as a G body you should be OK. As I mentioned earlier , the Cadillac Seville valve Is a direct replacement for the G body with no fabrication required.
 
D

Doug Chahoy

G-Body Guru
Nov 21, 2016
881
575
63
#23
Is there a chance the Pontiac and Cadillac are the same part #?
 
michmalibuman

michmalibuman

G-Body Guru
Jun 14, 2017
545
562
63
#24
Having the same trouble bleeding the brakes on my QP nine inch with disc brakes and e-brake. Used a power bleeder an still no pedal. Do we have a good fix yet?:cautious:
 
el camino ss 84

el camino ss 84

Greasemonkey
Oct 23, 2016
249
121
28
Nw okc
#26
I had the same issue with no pedal after swapping to Cadillac rear disc brake setup while bleeding the brakes. Had to bleed them 5 or 6 times before I got a hard pedal and brakes that work.
 
michmalibuman

michmalibuman

G-Body Guru
Jun 14, 2017
545
562
63
#27
Yes, pin is centered used bleeder tool.
 
fleming442

fleming442

Geezer
Dec 26, 2013
5,198
5,623
113
#28
Post #10
I would also like to add that if you got QP's base disc kit, it is indeed the Seville/Eldo calipers. They are a mf'er to bleed. To aid this: cycle the e-brake a few times in between bleed sessions. The pistons ratchet out as you use the e-brake, thus reducing piston travel to the rotor.
 
michmalibuman

michmalibuman

G-Body Guru
Jun 14, 2017
545
562
63
#29
E-brake cables to long ? What are they doing to shorten them up? Got a U shape thing to take slack out of the cable and the first time I used the e-brake it broke.
 

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