Welding Diff
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Thread: Welding Diff

  1. #1
    Fellow Frogger! PUG309's Avatar
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    Default Welding Diff

    No exacly froggy related but I have a paddock bashing Cortina and was wondering if welding the rear diff would be sufficent to lock the rear diff... Should I maybe bolt it aswell???

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    Daniel Djuracic

    Ex UK spec 89 309
    206 XT 1.6 16V (Diablo Red)with Peugeot Lion in back windows

  2. #2
    Gone Fishin' Ray Bell's Avatar
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    Weld it? What... gas weld? Get it good and hot then, this is the only way to weld Cortina diffs... really hot...

    So hot, in fact, that it does the earth a favour and melts the whole Cortina down and eliminates it for all time.

    Seriously though, you will get serious understeer in paddock bashing if you weld up the diff...

  3. #3
    1000+ Posts PeterT's Avatar
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    Yes, it's commonly called a CIG locker.

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  4. #4
    Fellow Frogger! sproose16v's Avatar
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    Bolt and weld or go buy a mini spool. I have a friend who has VL Bomodore with a minispool , its a farm car and it gets sideways too easy. Be careful but let us know how you go!
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    Budding Architect ???? pugrambo's Avatar
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    drain the oil form it and then do some circle work

    it will soon weld itself up for you
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  6. #6
    Fellow Frogger! WAUTY205's Avatar
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    A few of the guys I know fill the center of their rally car diffs with aluminum or lead. Just melt down a frying pan or battery & pour it in. Easier said than done, but it works well if you want either massive understeer or oversteer with nothing in between. But hey, what else do you want paddock basher for ?

  7. #7
    Fellow Frogger! Bluey's Avatar
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    Gas weld a diff? good luck to you.
    Welding up a diff with a MIG turn it up to its highest setting, 4/4, or whatever. You'll know the setting's hot enough when the crown wheel glows red and the lights dim while welding. Make sure the side gears are aligned or you won't be able to fit the axles when the diff is in the housing and just poor loads of filler wire in. Works fine in a mates escort, works fine in another mates 300hp Bluebird.

  8. #8
    Fellow Frogger! PUG309's Avatar
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    I got plenty of lead lying around that we melt to make sinkers. I suppose i could use that. Thanks for the replies. Basically I just want to loosen up the rear on corners and get more traction on the straights as the bald tyres that are on it do nothing for grip.
    Daniel Djuracic

    Ex UK spec 89 309
    206 XT 1.6 16V (Diablo Red)with Peugeot Lion in back windows

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