 Rear drum to disc conversion question, Do I need to do anything with the master cylinder? |
 May 2, 2008 - 7:00 PM
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 Enthusiast  Joined Feb 7, '07 From Portland, Oregon Currently Offline Reputation: 67 (96%)  |
Someone told me he thought I will need to do something with/replace my master cylinder when I convert my rear drum brakes to disc brakes; something about the proportioning valve.
Here's what he said: QUOTE In regard to your brake swap, I could be wrong, but I'm almost positive that you'll need a different proportioning valve...When you do it, though, you should see about swapping the proportioning valve and master cylinder (if it's different on the GTs)... Drum brake wheel cylinders and disc brake calipers use different amounts of fluid (typically) and if you swap from the former to the latter, your rear discs brakes won't be doing as much work as they should. This is all greek to me. Help? Is this something I should look further in to? --------------------  |
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Jul 7, 2008 - 3:38 PM
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Enthusiast Joined Feb 7, '07 From Portland, Oregon Currently Offline Reputation: 67 (96%) |
DONE!
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Jul 7, 2008 - 3:58 PM
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 Enthusiast Joined Nov 14, '06 From Northampton, UK Currently Offline Reputation: 5 (100%) |
QUOTE (GriffGirl @ Jul 7, 2008 - 9:38 PM)  DONE! Prove it. No pictures, no step-by-step how to = didn't happen  -------------------- Davey
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Jul 9, 2008 - 6:24 PM
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Enthusiast Joined Feb 7, '07 From Portland, Oregon Currently Offline Reputation: 67 (96%) |
QUOTE (BloodyStupidDavey @ Jul 7, 2008 - 1:58 PM) QUOTE (GriffGirl @ Jul 7, 2008 - 9:38 PM) DONE! Prove it. No pictures, no step-by-step how to = didn't happen 
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Jul 9, 2008 - 7:34 PM
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Enthusiast Joined Nov 14, '06 From Northampton, UK Currently Offline Reputation: 5 (100%) |
Awesome work, Michelle. And I know you are still in pain about that electric windows conversion but it is great to see new things being tried and such mods do put you in a different league.
I guess a little pain is the price of innovation. Hopefully with time you'll enjoy the mod and decide it was worth the effort and hopefully others will follow where you lead and find it easier with guidance than you did working blind. Still looking for that how-to .-------------------- Davey
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Posts in this topic
GriffGirl Rear drum to disc conversion question May 2, 2008 - 7:00 PM
njccmd2002 ok pretty much what he tried to say.
you apply th... May 2, 2008 - 7:37 PM alltracman78 That's pretty much how it works.
The P valve ... May 2, 2008 - 9:32 PM GriffGirl Okay, so just to be perfectly clear. And btw I pro... May 5, 2008 - 12:53 PM GriffGirl Okay, I found the proportioning valve on partsamer... May 6, 2008 - 11:50 AM DEATH They [PV and MC] are the same. The only difference... May 6, 2008 - 1:39 PM
alltracman78 QUOTE (DEATH @ May 6, 2008 - 1:39 PM... May 11, 2008 - 3:17 PM GriffGirl Yep, here I am. Part numbers for ST and GT P-Valve... May 6, 2008 - 1:41 PM alltracman78 Good to know.
What I meant by the MC was that th... May 6, 2008 - 10:28 PM phantom i replace my drums for disks and i think it brakes... May 9, 2008 - 4:53 PM GriffGirl I'm researching this part - on 1stToyotaParts.... May 15, 2008 - 11:47 AM alltracman78 For something like this you can't use the onli... May 18, 2008 - 5:12 PM GriffGirl Bowchikawowow, my stuff came today!!!
... May 21, 2008 - 1:22 PM D-Man YAY! for rear disks!! May 21, 2008 - 1:48 PM GriffGirl Question:
Is this the proportioning valve? Jun 4, 2008 - 6:42 PM alltracman78 Nope.
That's just a side to side [front IIRC] ... Jun 9, 2008 - 10:25 AM playr158 proportioning vavle
how it ties into the system... Jun 9, 2008 - 10:56 AM alltracman78 You don't have ABS.
IIRC her "splitter... Jun 9, 2008 - 9:41 PM Batman722 I've done the drum to disk swap on 2 cars and ... Jun 9, 2008 - 9:50 PM GriffGirl ^I have all of that stuff you listed. It was the p... Jun 10, 2008 - 11:13 AM alltracman78 QUOTE (Batman722 @ Jun 9, 2008 - 10... Jun 16, 2008 - 5:49 PM hurley97 I believe the only difference in the master cylind... Jun 16, 2008 - 8:30 PM GriffGirl Saturday's the day! (bagging the P-valve f... Jul 1, 2008 - 3:47 PM GriffGirl I'd love to, but currently my car is with the ... Jul 7, 2008 - 5:17 PM DEATH You've risen another rung on the tuner ladder ... Jul 7, 2008 - 6:00 PM GriffGirl Yeah, that's what she said. Jul 7, 2008 - 6:21 PM DEATH I believe "pathetic" was the term used Jul 7, 2008 - 6:24 PM CelicaST_CALI so deaths hows that 20 mpg going Jul 7, 2008 - 7:07 PM GriffGirl RE: Rear drum to disc conversion question Jul 8, 2008 - 12:14 PM xs94st good job with the conversion griff
can't wait... Jul 8, 2008 - 1:27 PM GriffGirl I don't actually have ABS, although I don... Jul 8, 2008 - 2:08 PM Batman722 glad you did the conversion
GTs with ABS have se... Jul 8, 2008 - 4:24 PM alltracman78 Awesome, glad to see you got it sorted out.
QUOT... Jul 13, 2008 - 5:28 PM GriffGirl QUOTE (alltracman78 @ Jul 13, 2008 - 3... Jul 17, 2008 - 1:43 PM |
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