Welding the Diff to mae it Perma-Locked

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Old Mar 24, 2007 | 04:59 PM
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Default Welding the Diff to mae it Perma-Locked

so my friend has his rings in his truck welded in his rear end to make it perma-locked would there be anyway to do this to a honda?

His Truck..

(thats me in the background taping)
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Old Mar 24, 2007 | 05:43 PM
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6 threads down...
https://honda-tech.com/zerothread/1899249
Its a nissan, but the process is the same.
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Old Mar 25, 2007 | 07:56 AM
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Default Re: (sharkytm)



That a sohc dif, if your going to weld one make sure the axles are clicked into diff. If not the axles wont sit right.
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Old Mar 25, 2007 | 09:39 AM
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Default Re: (BIGTUNA)

thanks any more clear shots of this?
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Old Mar 25, 2007 | 10:51 AM
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Say good by to streetability.

RWD's can get away with it, but once you lock a car where the wheels also perform the task of turning... = drag only.
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Old Mar 25, 2007 | 02:05 PM
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Default Re: (Boostwerks.com)

yeah that makes a good point. what does it do for your turning?
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Old Mar 25, 2007 | 02:21 PM
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Default Re: (NScivic)

Not a good idea for a street car, barks the tires and is a bitch to turn esp on low psi slicks. Plus it can get a little intersting if you brake a axle the car likes to violently turn. Im going to a LSD after running that dif for a while.
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Old Mar 25, 2007 | 02:35 PM
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Default Re: (NScivic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by NScivic &raquo;</TD></TR><TR><TD CLASS="quote">yeah that makes a good point. what does it do for your turning?</TD></TR></TABLE>

Essentially prevents it. The whole point of a front diff is to allow the wheels to spin at different rates when turning. The spooled diff obviously does away with that.
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Old Mar 25, 2007 | 03:56 PM
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turning in a street car is fine with a welded diff you arent weak. i drove a welded dif for a summer with no problems. only shitty things is parking lots
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Old Mar 25, 2007 | 04:37 PM
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the only thing is that when you turn your tires chirp right. because thats what happened in mt friends chirp (see above)
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Old Mar 25, 2007 | 04:41 PM
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ya, it does actually bind the axles, and chirps/hops a bit. not really the best on your drivetrain. but it can be, and has been done. for along time
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Old Mar 25, 2007 | 04:44 PM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Garage 808 Hatch &raquo;</TD></TR><TR><TD CLASS="quote">ya, it does actually bind the axles, and chirps/hops a bit. not really the best on your drivetrain. but it can be, and has been done. for along time
</TD></TR></TABLE>

I would not want to be driving any car on the street with a welded diff...but thats just me.

I like turning, and infact I think it's one of the top reasons why I own a honda.
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Old Mar 25, 2007 | 04:44 PM
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Default Re: (Garage 808 Hatch)

so is this this not really worth it?
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Old Mar 25, 2007 | 04:54 PM
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Default Re: (NScivic)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by NScivic &raquo;</TD></TR><TR><TD CLASS="quote">so is this this not really worth it?</TD></TR></TABLE>

No, it's not worth it, unless it is a drag setup, as someone mentioned. Spooled differentials promote massive understeer, especially on FWD cars.
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Old Mar 25, 2007 | 05:29 PM
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then why are there so many people out there auto-xing on welded diffs then?

granted, its because they cant afford a LSD, but if it were so bad, wouldnt they just stay open diff??
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Old Mar 25, 2007 | 06:57 PM
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Default Re: (Garage 808 Hatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Garage 808 Hatch &raquo;</TD></TR><TR><TD CLASS="quote">then why are there so many people out there auto-xing on welded diffs then?

granted, its because they cant afford a LSD, but if it were so bad, wouldnt they just stay open diff??</TD></TR></TABLE>

While I've never seen a spooled FWD auto-x rig, it is possible to tune the suspension to limit the understeer. Maybe a swaybar tune to limit scrub loss on the inside tire, maybe a tight rear setup to promote better turn-in and mid-balance, maybe they just don't know what to notice...

All I know is that spooled differentials promote understeer. Fact. Why you would want to promote that in a FWD, understeer-prone car is beyond me (again, with exception to drag cars, but that's a whole different bag of tricks).
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Old Mar 26, 2007 | 06:31 AM
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Default Re: (Garage 808 Hatch)

You cant turn with the diff welded, Both Tires will be spinning when you turn, it will be hard, and make lots of noises..

Welded diffs are for DRAG cars, not a stock car like you probably have
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Old Mar 26, 2007 | 07:50 AM
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it's pointless, and ignorant

it's allready bad enough having a LOCKER in the front diff...but a spool/lincoln locker would be hell......steering becomes VERY difficult, especially 90* or U-turns....as it will push the car out (understeer) and it will be VERY hard on your drivetrain.
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Old Mar 26, 2007 | 09:13 AM
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Default Re: (boosted94cx)

my car is a drag only, and yes it was a b*tch to turn but no more 1 tire fire and it solved my Diff issues, D's diff need any help they can get.
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Old Mar 26, 2007 | 01:26 PM
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Default Re: (BIGTUNA)

Would you even want it in a drag car? I sure as hell wouldn't. Imagine breaking an axle at half track under power, watch out for the wall!
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Old Mar 27, 2007 | 07:11 AM
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Default Re: (Garage 808 Hatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Garage 808 Hatch &raquo;</TD></TR><TR><TD CLASS="quote">then why are there so many people out there auto-xing on welded diffs then?

granted, its because they cant afford a LSD, but if it were so bad, wouldnt they just stay open diff??</TD></TR></TABLE>

what??? never seen anyone that ran a welded diff autox'n a FWD. wow i can't imagine how unbearable that would be to autox, let alone SLOW
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Old Mar 27, 2007 | 08:40 AM
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Default Re: (locash)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by locash &raquo;</TD></TR><TR><TD CLASS="quote">Would you even want it in a drag car? I sure as hell wouldn't. Imagine breaking an axle at half track under power, watch out for the wall!</TD></TR></TABLE>

Exactly what I was thinking. No way in hell I would run one.
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Old Mar 27, 2007 | 10:47 AM
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Default Re: (93turbo16)

You'd be BETTER off with an open diff in Auto-x, thats the point to get around turns fast, the car would be plowing into every turn!
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Old Mar 27, 2007 | 08:16 PM
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Default Re: (MatrixGSR)

wow. there are multiple street FWDs welded here. and a few auto-x cars. 3 of which are always in the top 10 for fastest time of the day. my welded diff car turned well under acceleration, the inner tire spinning faster seemed to pull the car deeper into the corner.(ONLY WHILE ON THE THROTTLE)
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Old Mar 28, 2007 | 08:11 PM
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Default Re: (Garage 808 Hatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Garage 808 Hatch &raquo;</TD></TR><TR><TD CLASS="quote">wow. there are multiple street FWDs welded here. and a few auto-x cars. 3 of which are always in the top 10 for fastest time of the day. my welded diff car turned well under acceleration, the inner tire spinning faster seemed to pull the car deeper into the corner.(ONLY WHILE ON THE THROTTLE) </TD></TR></TABLE>

It was an illusion. Your savior was most likely a lack of normal force on the inside tire, removing/negating scrub losses generated.
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