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my rear disc brakes

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  • #46
    Originally posted by russian View Post
    So far I see 85-94 Mitsubishi Galant uses the same A1/A4 bearing pair in it's rear hub! With 4x114.3 wheel bolt pattern it could be our potential hub/rotor donor...
    So I have checked a 94 Galant in the junk yard It had disk brakes, but the hub was the other way around - the axle stub is spinning with wheel, so it would not mount to our axle stub. Another funny thing - that brake rotor is both a rotor (there is a caliper - used for street braking) and a drum (the drum is used as e-brake), which means it has more offset because of the drum section. Seems like a bit of over-engineering.

    There is still a little hope - OReilly shows different part number and different picture for previous generation Galant hub (like 89 and 92) - this one seems to be for axle stub on the suspension.
    rusEfi - DIY ECU
    93 EFI: tach cluster, aspire mirrors & spindles. ZX2 master cylinder, BP+G25 swap with a door hinge, rio struts. 205/50r15, 140mph speedometer,rear disk brakes, mini cooper + subaru front brakes rear sway bar

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    • #47
      Russian- Fired did this on a lot of larger vehicles as well, with two separate brake systems on the rear. I hate it.

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      • #48
        95% of the Porsche cars produced with rear disc brakes were also setup with a drum e-brake inside the disc. In case you were thinking about putting Porsche brakes on your Festiva :p
        Driving for me is neither a right nor a privilege. Driving is my passion, as it was for the people who invented the automobile, the people who paved the first roads and the people who continue to improve the automobile. Please respect this passion.

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        • #49
          Originally posted by russian View Post
          Here is some opposite view on the issue:

          "Drum brakes benefit from something called self-energizing action where the leading shoe uses the rotating drum to help push the larger trailing shoe into the drum with additional force, requiring less hydraulic pressure to apply the brakes."

          Put simply, drum brakes require less pressure to apply the same stopping power as discs. Normally, brake bias is always towards the front, so the rears arn't so eager to lock up during turns. However, after converting your rear drums to discs, the brake bias is going to be too strong on the front brakes. "
          Well all I can say is: good thing I'm not doing all the experimenting! My dad used to say "Well, don't forget to write when you get work" whenever he thought I was up to no good or wasting time on something (that he figured) was frivolous.

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          • #50
            Originally posted by Advancedynamix View Post
            do you think you could somehow incorporate e-brake cable brackets into that? Of coarse that also would require figuring out how to run a double cable setup rather than the festiva single cable.
            I have thought of doing almost this exact thing only welding the tab to the axle beam instead of bolting a plate under the stub. IIRC the escort uses the same style e-brake handle as our cars where there is a single cable ran under the exhaust tunnel and a spliter of sorts that the single cable pulled a plate and the double rear cables are pulled by that plate. This is a very common practice on a lot of vehicles, if the escort doesn't use this style, than sourcing one should be as easy as a trip to the j/y.
            Im not driving a Festiva because I'm poor. I drive a Festiva because i want to!

            Dennis
            93 L Advancedynamics suspension mod, awaiting B6 swap
            91 GL B6 sohc, currently in the hands of DAE undergoing top secret work. Soon to be cable G, with stage 3 F1 Kevlar clutch... To be continued
            93 GL In progress BP/hydro G
            15 Mitsubishi Mirage daily
            88 Dakota tow pig

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            • #51
              Stupid question: Why not just mount discs to the Festiva rear drum then?
              In love with a MadScientist!:thumbright:
              There's a fine line between breathtaking ingenuity and "That's the stupidest thing I've ever seen!"

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              • #52
                Originally posted by DriverOne View Post
                Stupid question: Why not just mount discs to the Festiva rear drum then?
                Excuse me, how exactly do you see this? So far it sounds like "why not just keep disks in the trunk?"...
                rusEfi - DIY ECU
                93 EFI: tach cluster, aspire mirrors & spindles. ZX2 master cylinder, BP+G25 swap with a door hinge, rio struts. 205/50r15, 140mph speedometer,rear disk brakes, mini cooper + subaru front brakes rear sway bar

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                • #53
                  Lol, I've got extra aspire disks if anyone wants to put them in the trunk! Let me know!

                  Is there no way to fab a bracket for a Festiva beam?
                  2008 Kia Rio- new beater
                  1987 F-150- revived and CLEAN!!!
                  1987 Suzuki Dual Sport- fun beater bike
                  1993 Festiva- Fiona, DD
                  1997 Aspire- Peaspire, Refurb'd, sold
                  1997 Aspire- Babyspire, DD
                  1994 Aspire - Project Kiazord
                  1994 Aspire- Crustyspire, RIP



                  "If it moves, grease it, if it don't, paint it, and if it ain't broke don't fix it!"

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                  • #54
                    Originally posted by zoom zoom View Post
                    Is there no way to fab a bracket for a Festiva beam?
                    My bolt-on bracket is for Festiva beam, but same exact approach could be used for Aspire beam (the only difference I am aware of would be the axle stub bolt pattern)

                    To use Festiva drums turned into hubs one would need some other brake rotors & probably different bracket dimensions.
                    rusEfi - DIY ECU
                    93 EFI: tach cluster, aspire mirrors & spindles. ZX2 master cylinder, BP+G25 swap with a door hinge, rio struts. 205/50r15, 140mph speedometer,rear disk brakes, mini cooper + subaru front brakes rear sway bar

                    Comment


                    • #55
                      Originally posted by russian View Post
                      Excuse me, how exactly do you see this? So far it sounds like "why not just keep disks in the trunk?"...
                      Exactly!
                      In love with a MadScientist!:thumbright:
                      There's a fine line between breathtaking ingenuity and "That's the stupidest thing I've ever seen!"

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                      • #56
                        I think that the 100mm bolt pattern is the key here. I love it when it's not me doing the experimenting and preliminary dog work, all I stand to do is gain from encouraging this kind of activity. Rear discs on one of my cars? Sure if it's straight-forward and proven to work. Press on lads!

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                        • #57
                          Originally posted by Bert View Post
                          I think that the 100mm bolt pattern is the key here. I love it when it's not me doing the experimenting and preliminary dog work, all I stand to do is gain from encouraging this kind of activity. Rear discs on one of my cars? Sure if it's straight-forward and proven to work. Press on lads!
                          I think to start a For Sale thread in a week if you would be interested
                          rusEfi - DIY ECU
                          93 EFI: tach cluster, aspire mirrors & spindles. ZX2 master cylinder, BP+G25 swap with a door hinge, rio struts. 205/50r15, 140mph speedometer,rear disk brakes, mini cooper + subaru front brakes rear sway bar

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                          • #58
                            Originally posted by russian View Post
                            I think to start a For Sale thread in a week if you would be interested
                            Here you are - http://www.fordfestiva.com/forums/sh...ad.php?t=44494
                            rusEfi - DIY ECU
                            93 EFI: tach cluster, aspire mirrors & spindles. ZX2 master cylinder, BP+G25 swap with a door hinge, rio struts. 205/50r15, 140mph speedometer,rear disk brakes, mini cooper + subaru front brakes rear sway bar

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                            • #59
                              Dead thread revival! Here pondering the glorious sunny days of other locations in the country and how other people have fab capabilities. For a parking brake solution for your fabulous rear disc conversion, couldn't one pumb in a hydraulic handbrake used for drift and rally and put a pin or ratchet in the lever to hold pressure so you could use it as a parking brake as well as an oversteer brake. yes I know this dfeats the purpose of redundancy with a mechanical handbrake but it sure sounds more fun than my weak cable handbrake that can barely lock the wheels on gravel and I'm not sure I would trust it on a hill. (Yes it's been properly adjusted, any tighter and it drags, if anybody knows how to increase the amount of travel between engaged and not with the stock cable I would love to hear it.) Just my 2 cents
                              Owner of:
                              1991 Red Festiva L, 5 speed (Swagger Wagon)
                              In progress:
                              BP+G25MR swap, Kia rio axles hopefully.

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                              • #60
                                Re: my rear disc brakes

                                I know!
                                Ford 8.8 axle rotors are drum park, disk regular.... I bet it fits right over our stock brake shoes!

                                Well, it would look like disc brakes...lol
                                Last edited by Huli; 01-29-2013, 10:02 PM.
                                HULi ---------------------------------------------------------------------------> Any-where, any-way, any-time.
                                "CL4P-TP" - 93 Festiva L

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