ok here is the deal im doing a h22a in my hatch i found the motor without lsd for a good deal, i will be just doing bolt ons maybe some nitrous later on, will i be ok without lsd or is it going to make a world of a difference?

and if you run slicks on a non lsd tranny will it get just as good times as a lsd?

 

lsd. ooohhhhhh, LSD. ooohhhhh, lsd.......

i always thought mushrooms were better.

 

i have always had good luck with just welding up the diff. it is very benificial at the track and its fun on the street as well. i feel that all the horror stories are just that, stories. i havent ever had any problems with welded diff.

 

hmm welding doesnt seem very safe to me, but i guess if it works,
any other opinions?

 

Have fun turning if you weld the diff.

 

DO NOT WELD THE DIFF (on a street car) Those wheels you are F@$#ing with are the ones that steer your car. I put my life over 2 tenths......but if it picked up half a second..........ah no still value the life more!!!!!!!

 

have you ever driven a car with a welded diff? its not bad at all in my opinion and only comes into play when parking in a lot or something. i have always loved welded diffs in my FWD cars. they kick *** at the track, on the street, and exiting turns at WOT w/out baking the inside tire off. my times at the track dropped considerably when i welded my first diff as did my times at the local SCCA meets.

granted, they are not for everyone i suppose but do not listen to people that havent had them and are just speaking from lack of knowledge.

not to mention, its a helluva lot cheaper than rebuilding an LSD or buying a new one.

 

Is it possible to run 9's in the 1/4 pegged leg?

 

how exactally do you weld it? i want my car to be streetable, will this do better than LSD on the track?

 

you're going to need an LSD for sure in a h22 civic

 

Yes I had a spooled diff in the front of my Corolla FWD turbo. A spool is a "proper" locked diff. Admittedly it was great at the track and I thought it was annoying on the street.....until I came around a corner in the wet and understeered into a gutter. Before you bag me for being some crap driver, imagine if it was an emergency situation. No matter the skill of the driver, you are driving on a public street (with idiots) in an unsafe car........

 

Question--have you driven a car (specifically a FWD honda) with a welded diff?

I would like to hear the opinions of people who have, and I have a feeling you have not.

 

well, the labor is the hardest part but it isnt that bad. it seems that there is always a quicker way but this works for me.
first i remove the tranny from the motor/car if nec. then i break the tranny down and remove the diff. next step is the easiest, just lay a bead of weld down in between the spider gear teeth on all sides. that way, when the spider gears begin to move, they come in contact with the weld and, VIOLA, not more one-legged launches.
the only critical part is making sure the weld is satisfactory. but, worst case scenerio would be it breaking free and then you can usually just weld it back up. this is not a very common accurance though so dont be worried.

on a side note, i have had welded diffs in 3 front drive hondas, and multiple off roading vehicles(Jeeps, Trucsk, etc.) and had nothing but great luck with them all.

 

On the street, no. On our 9sec race car, yes. Even driving the car into the pits with the pro-drive spool is a PIA. pro-drive is a POS anyways and I dont recomend using their products.

art

 

there is a slight difference between a full spool and the way i weld diffs. a full spool as you know allows no movement at all. when i weld up diffs, i space the welds out so you can get anywhere between a 1/2 and 3/4 rotation difference between tires. this way, its hardly noticable on sweaping turns, only in tight turns is where it comes into play. still though, even in tight, full lock turns all it does is chirp the inside tire a bit.

im telling you from experience, it is an out of this world feeling to enter an on-ramp, mash the gas midway through the turn and actually have the front of the car pulling you in the direction you want to go. people running smaller displacement 4s(like anything less than a 2.2) may not find it as benificial in this aspect. but, with a torquey motor, like that of a h22, h23, or f22, its a great feeling to not have smoke rolling off your inside tire or having it squeeling like a stuck pig.

im not on here to talk up a welded diff, i am just not going to talk it down because i dont have any negative experiences.

 

Hm.. so basically... the spider gears are still able to move just a bit, about 1/4inch rotation, right? I wonder how strong that'll be? The reason I ask is cause my friend's NA LS/Vtec tranny blew up and smashed all the spider gears.. Mind you the tranny wasn't welded up.. So I mean..with a NA setup and free spinning spider gears, they still smashed to pieces... what the is it going to do when it's welded?

I'm not trying to knock your welded diff, but rather... wondering.. if you weld the spiders gears completely together so there's no movement whatsoever, would that be better? But your way that sound interesting, and it seems to be doing you some good.

Thanks.

 

yes you are correct about the movement. personally, i have never had any problems with the diffs going south after a weld job. i have welded diffs in both ends of my 400 hp, 4.88 geared, CJ-5 and havent ever had one let go.

lots of times people will actually weld the spider gears to the side of the carrier. this is supposed to creat a more stout piece but, like i said, i dont do that and havent had any problems.

look at it this way, if you mess up a diff from quaife, phantom, etc., it will be replaced under warranty. but, you still have to pull the tranny off and get the diff out to put the new one in. why not save the $800+ expense in the first place and just weld it up. that way if it lets go, you just pull it out, re-weld or pick up some spiders from a scrapyard and do it over again.

locally we have a few 11 second fwd street cars running around with welded diffs and like 350-450 hp without any problems. we also have a **** ton of awd DSMs with welded center diffs and like 500+ hp w/out problems.

just try it, and if you dont like it, just take it out and get a quaife, or somethig of the like.

 

Don't get me wrong.. I'm not trying to knock your idea. I was just saying... I would do the same thing.. (and actually have) when I was getting a diff welded.. The welder said not to weld the side (the stainless steel rod, which I assume is what you're calling the carrier) carrier cause of the different properties of the spider gear and the rod.. Just wanted to point that out..

I guess welding is the least expensive way of doing it. And Quaife would be the more... how shall we say it... Professional /expensive way of doing it.

 

Sorry, I'm not buying into this logic at all. What good does an extra 1/2 to 3/4 turn of rotation give you in a long turn. Nothing. All it would do is give the spider geaars a running start on breaking. I don't believe you ever welded a gear in your life or you would not post this. Why do you think NHRA and most other racing organizations out law welded diffs. (I know a lot of people still do it, however.) What you are saying might work in RWD diffs but not for FWD cars where the drive wheels also steer the car.

 

hey ease up partner, just because i am new to this board doesnt mean i am new to honda tech. i cant give you anything else but my word when it comes to me welding up diffs. i dont claim to be welding diffs for a living or anything but i have done my fair share in more than one application.

for what its worth, i learned this "technique"(which its nothing new at all) from an avid circle track racer(of a FWD crx i might add) who also happens to be the master tech at the biggest honda dealership in the surrounding states. now, if you dont think that having a diff welded in the ways i described allows you to turn, then how do you explain someone using it in a circle track applicatiom?

as far as the out law thing goes, well, nhra out laws a lot of things that arent nec. bad.

im not trying to start an fight or whatever here, i am just trying to shed some light on the subject of welded diffs. thank you.

 

I'm not from Missouri but you would have to show me how a locked fwd diff can go around a corner without screaching tires and tearing off rubber. If you hand push a locked car it's about 100 times easier to push it in a straight line than around a turn. It has to be the same effect at speed unless you are doing something different than everyone else.
BTW, I mean no disrespect to you personally. I like to challenge what I don't believe and have my own beliefs and knowledge challenged. Keeps you sharp