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10-19-2023, 08:15 AM | #1 |
Registered User
Join Date: Mar 2022
Location: Broomfield, Colorado
Posts: 29
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70 C20 disc conversion questions
I've read through a bunch of threads but haven't found the answer I'm looking for.
I'm just finishing up the POL 8 lug disc conversion on my 70 longhorn c20. I got a new 73-87 M/C and PV2 prop. valve. I know the rear reservoir of the M/C goes to the front of the prop. valve for the front discs. the original front drum brake plumbing was 1/4" line from distribution block down to T on crossmember then 3/16" lines out to the A arm flex line connection. the new prop. valve has (2) 3/16" line ports for the front brakes. My question is, will (1) 3/16" line from new Prop. valve down to T at cross member be sufficient to feed both calipers? or should I run (2) new 3/16" line all the way from the prop. valve to each caliper or can I cap 1 port and just use the 1 lower 3/16" port to feed both front brakes? any help and knowledge is much appreciated |
10-19-2023, 09:10 AM | #2 |
Senior Member
Join Date: Mar 2019
Location: Herculaneum MO (20 minutes south of St. Louis
Posts: 624
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Re: 70 C20 disc conversion questions
Yes. You can cap one & just use one port to feed the T fitting.
__________________
67 C10 283 T5 swapped longbed fleetside = wife's daily driver 67 C20 292 (originally a 250)4speed longbed fleetside w/original wooden bed=my project truck 67 C10 283+.060 (so a 292 as well)T5 swapped longbed fleetside=my DD 72 C1500 Sierra Grande 350 TH350 longbed fleetside=wife's fair weather truck Can you tell we are fans of longbed fleetsides & 67s Chris |
10-19-2023, 10:11 AM | #3 |
Senior Member
Join Date: Nov 2018
Location: Waterford California
Posts: 2,556
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Re: 70 C20 disc conversion questions
Twins is correct
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10-19-2023, 10:21 AM | #4 |
Registered User
Join Date: Mar 2022
Location: Broomfield, Colorado
Posts: 29
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Re: 70 C20 disc conversion questions
Thanks for the replies. that's good news as I already ran that line before I questioned it.
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