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[TOYROTA]
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A.C.T
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July 2002
Re: Locked diff Tue, 07 January 2003 10:15 Go to previous messageGo to previous message
Haha your speaking to the locked-diff master here lol. I've owned 3 cars which have had their diff's welded-up, and i can say this, if your car has the power, it's worth every cent getting your diff locked. Despite the fact i weld my own centres, i wouldn't think twice about doing it all again. Also don't pay any more than $50 to get your centre locked, i've seen many people trying to make a packet by just wealding a little plate into someones centre, and sometimes they don't even use a plate!

My little Mazda 1300 station-wagon used to be a little bitch of a thing to drive, any time i used to try and launch the thing, it would wheelspin for 1st, 2nd, and most of third gear, just doing single-leggers everywhere, especially out of corners due to the weight transfer. After locking the centre, it suddenly wanted to sit down and go halfway through second gear, instead of it's usual tyre-frying action. as well as this, i was actually able to start feeding the power in just after the apex of corners, instead of waiting for it to straighten up more. The bodyroll was just a killer for the open diff, but with the locker in it, it just put the power down nicely.

The only 'problem' as such with the locker was the slight understeer it caused on initial turn-in, other than that it was a lot more predictable. Despite what some people say, lockers dont make the car 'Suddenly step-out' sideways, it is quite controlled and anyone with any car control can easily feel when it is about to step sideways, it also depends on your suspension setup, but all the cars i have driven with lockers (re: HEAPS!) have all been quite a smooth transition from slight understeer to progressive oversteer (obviously with the amount of throttle introduced).

Also the understeer problem can be cured by adjusting your driving style slightly. If you didn't already do it, trail braking is a good way to help cure the slight turn-in understeer. By turning in while still on the brakes, your front wheels have the weight-transfer advantage and in turn allows for a sharper turn-in.

There is only one thing to note here, Locking the diff in your car is costly in the long run (re: tyres and axles!) and also care must be taken if you intend to drive the vehicle on the public streets. Not only is it illegal to drive a car with a locked centre (voids insurance too) it is also a bit of a handfull to drive on greasy public roads in the rain. By a bit of a handful, i mean a BIG bit. My standard Corona with the starfire motor will quite happily drift sideways in any gear at any speed in the wet, and it will even sit on the spot spinning both wheels (obviously) in second gear without bogging down. This means that a locked centre is not suitable for street use, due to the fact that if it starts raining, you could find yourself in quite a bit of trouble. Not to mention if you lend your car to someone and they enter a corner too quickly, start understeering, get scared and shut the throttle, then around she goes into a pole... I learnt this the hard way, my friend was lucky to survive after i lent him my car.

So yes, lock it if it's for track use, an lsd would be ideal but not everyone has that much cash, but if the car's for street use, i don't suggest you do this.

(by the way, my 1300 wagon has a 12A Bridge-port... just incase any of you thought i was being a little optimistic with my Mazda's wheelspinning antics lol)

[Updated on: Tue, 07 January 2003 10:19]

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SubjectPosterDate
Read Message   Locked diff HypoTue, 07 January 2003 07:07
Read Message   Re: Locked diff riceboyTue, 07 January 2003 09:23
Read Message   Re: Locked diff mrshinTue, 07 January 2003 10:02
Read Message   Re: Locked diff  [TOYROTA]Tue, 07 January 2003 10:15
Read Message   Re: Locked diff Fat_KE70Tue, 07 January 2003 11:45
Read Message   Re: Locked diff HypoThu, 09 January 2003 05:41
Read Message   Re: Locked diff NorbieThu, 09 January 2003 07:26
Read Message   Re: Locked diff thundertiger00Thu, 09 January 2003 09:01
Read Message   Re: Locked diff SoarerFri, 10 January 2003 01:24
Read Message   Re: Locked diff JasonFri, 10 January 2003 02:33
Read Message   Re: Locked diff SoarerFri, 10 January 2003 04:53
Read Message   Re: Locked diff Jonny2TGSat, 11 January 2003 01:16
Read Message   Re: Locked diff Fat_KE70Mon, 13 January 2003 10:03
Read Message   Re: Locked diff wraithMon, 24 November 2003 16:28
Read Message   Re: Locked diff Blown86Thu, 27 November 2003 11:48
Read Message   Re: Locked diff SLY16VWed, 26 November 2003 04:08
Read Message   Re: Locked diff NorbieWed, 26 November 2003 04:35
Read Message   Re: Locked diff dravenWed, 26 November 2003 04:40
Read Message   Re: Locked diff NorbieThu, 27 November 2003 11:55
Read Message   Re: Locked diff GregaThu, 27 November 2003 20:10
Read Message   Re: Locked diff PerformanceCarsFri, 28 November 2003 00:12
Read Message   Re: Locked diff gearb0xFri, 28 November 2003 07:19
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