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70 challenger proportioning valve same 4 DISC and DRUM? #1228137
05/06/12 08:59 PM
05/06/12 08:59 PM
Joined: Jan 2003
Posts: 14,471
renton, Washington
ph23vo Offline OP
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ph23vo  Offline OP
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anyone know for sure? thanks dan

Re: 70 challenger proportioning valve same 4 DISC and DRUM? [Re: ph23vo] #1228138
05/06/12 09:25 PM
05/06/12 09:25 PM

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not certain about 70 but I know for my 69 charger it is the same prop/ distribution block that takes the 2 lines from the master cyl and distributes it to each wheels.

Re: 70 challenger proportioning valve same 4 DISC and DRUM? [Re: ph23vo] #1228139
05/06/12 09:58 PM
05/06/12 09:58 PM
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Mass
DAYCLONA Offline
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Quote:

anyone know for sure? thanks dan







I'm assuming your talking about the main distrubution block,...I'd like to say yes, but not 100% sure, IIRC the addition of the PV on disc equipped cars is the only difference in DB vs PV operation on the early set ups

Re: 70 challenger proportioning valve same 4 DISC and DRUM? [Re: ph23vo] #1228140
05/06/12 10:11 PM
05/06/12 10:11 PM
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Posts: 18,157
Mass
DAYCLONA Offline
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....here's the drum and disc comparison factory print of the DB and PV set up

7195151-drumdisc.JPG (80 downloads)
Re: 70 challenger proportioning valve same 4 DISC and DRUM? [Re: ] #1228141
05/06/12 10:23 PM
05/06/12 10:23 PM
Joined: Dec 2007
Posts: 18,157
Mass
DAYCLONA Offline
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Quote:

not certain about 70 but I know for my 69 charger it is the same prop/ distribution block that takes the 2 lines from the master cyl and distributes it to each wheels.








Correct on the 69 and down set ups using the same distribution blocks whether the car was disc or drum, disc cars would have a seperate PV or residual pressure valve located in the rear line

Re: 70 challenger proportioning valve same 4 DISC and DRUM? [Re: DAYCLONA] #1228142
05/06/12 10:57 PM
05/06/12 10:57 PM
Joined: Jan 2003
Posts: 14,471
renton, Washington
ph23vo Offline OP
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ph23vo  Offline OP
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Joined: Jan 2003
Posts: 14,471
renton, Washington
Quote:

Quote:

anyone know for sure? thanks dan







I'm assuming your talking about the main distribution block,...I'd like to say yes, but not 100% sure, IIRC the addition of the PV on disc equipped cars is the only difference in DB vs PV operation on the early set ups




then the add of the PV would be all i need then..A66 car.. had drums up front bought an entire rebuilt front end with new everything off Cl for 100.00! so i,m adding disc to it now... thanks for the pictures! dan







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