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Welding your diff.

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Old 08-27-2005, 06:16 AM   #1
EasTSide DRiFto
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Welding your diff.

Has any one welded a diff on a 240sx at all...I want to do it, but I herd that it will make alot of noise..But you get all the time 2-way diff for free. Please any pros and cons would be good .thanks
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Old 08-27-2005, 10:10 AM   #2
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I wouldnt do it. It'll most likely break. Transitions wont be the same but it's good for long sweepers. I'm sure others will think otherwise but I'd rather save some money and do it the right way.
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Old 08-27-2005, 10:12 AM   #3
Ghost of Duluth
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I run a welded diff right now in my 240. I drive it daily most times. It does make some noise, a few pops here and there. The most you get though is the whole wheel dragging thing. For sliding though it is very predictable and does great. Watch out in the rain, likes to get away from you if you don't pay attention and go hell bent into a corner. But if you are even a halfass driver, you won't have any problems there. The only thing is that you have to keep an eye on it because when it goes buddy, it will go hard leaving you stranded wherever you are. I like it but consider it a temporary fix. I would suggest getting a diff as quick as you can.

The opening movie on my site has me using it. www.sixgunsports.com. The second little clip of me (the multi-colored car) is with the welded diff.
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Old 08-27-2005, 03:55 PM   #4
mranlet
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I run a welded diff in my Legacy.

The amount of noise you get will depend on what tire you use - a stickier tire will continue to grip the road past the point where a harder tire will slip and make noise. A stickier tire will also transmit more of the twisting force to your axles, differential, and suspension, taxing those parts more than a harder tire will. The only times that I experience a lot of noise and banging is when turning tightly at low speeds, such as in parking lots and U-turns.

Because you have zero differential effect, it's more like an "infinite-way" than a "2-way". With most 2-ways you can catch grip if you give enough throttle input to be between acceleration and decelleration, but a welded will often stay slipping. No differential effect will also cause you to understeer on anything other than heavy throttle-on (like decellerating into corners, etc.

I also consider it a temporary solution, and will be upgrading ASAP.
Cheap fixes can cost you a lot in repairs...

For S13, an inexpensive solution would be the J30 (R200) differential, which is VLSD from the factory and is a direct swap (no modification required) to S13.
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Old 08-28-2005, 03:56 PM   #5
EasTSide DRiFto
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Sweet, Thanks for the info guys. I will keep what you said into consideration when I get the car back together this week. I spone a bearing on the sr and just got enuff money to get the new motor tommorrow. I will keep you guys posted on it. Thanks again.
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Old 08-28-2005, 05:16 PM   #6
Garlo
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My mate in a S12 has been drifting with a locked diff for well over a year with no issues.
Also another mate has a welded the diff in there dori bird (Nissan bluebird in AUS) and he dose welding for a living so in a sense it is professionally done,
This is it
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Old 08-28-2005, 05:18 PM   #7
ronnie simpson
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ive had my diff welded for the last 4 months, 8,000 miles and 7 drift events. no problems at all. i love it. just be thorough when you do it. if you do it right, its not really a temporary fix. thorougly clean and dry everything, and get as much material in between the gears as possible when welding. make it strong, and you wont break it on stock ka power. also, VLSD's suck *Censored**Censored**Censored*, and are sealed units, meaning that the used, high mileage piece of *Censored**Censored**Censored**Censored* youre likely to shell out hundreds of dollars for is gonna be a total piece of *Censored**Censored**Censored**Censored* thats worn out, and isnt fully locking. just weld that *Censored**Censored**Censored**Censored*.
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Old 08-29-2005, 09:26 AM   #8
zack
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i might have to weld a diff to but i'm going to look for a *Censored**Censored**Censored**Censored* old second hand one and weld that.
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Old 08-29-2005, 10:17 AM   #9
DriftGirl
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Quote:
Originally Posted by zack
i might have to weld a diff to but i'm going to look for a *Censored**Censored**Censored**Censored* old second hand one and weld that.
I did that recently on an S13.

I drive on it all the time now...I kinda like it
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