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Old 27-03-13, 01:28   #226
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Just wondering do differentials wear out. The calais turbo is doing single peggers LOL. Does it need to be reconditioned or can you adjust it. Can you change the oil to help. Any help would be much appreciated.
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Old 27-03-13, 09:16   #227
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Yes mate, diffs do wear out, especially the OEM diffs. Clutch cones eventually wear down, making them single. Oil won't help much. You can get them rebuilt, and shimmed tighter, but at the end of the day they're a pretty crap LSD.
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Old 29-03-13, 18:58   #228
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Yes mate, diffs do wear out, especially the OEM diffs. Clutch cones eventually wear down, making them single. Oil won't help much. You can get them rebuilt, and shimmed tighter, but at the end of the day they're a pretty crap LSD.
Wicked, thanks 5spdvl
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Old 31-05-13, 09:55   #229
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Hey. Read through the aritcle but still unsure. I have a mate who has a 3.9 ratio lsd diff thats out of a vr. Currently the whole diff is bolted in his vl wagon. Question is if i take the 3.9 centre out will it fit in my vl diff using my vl axles given they're both 28 spline?
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Old 31-05-13, 10:21   #230
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Centre - yes. Housing - no.
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Old 31-05-13, 10:44   #231
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Yeah. I just needed to know because I wanna use vr 3.9 lsd centre in my vl housing and use my vl axles.
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Old 03-06-13, 08:51   #232
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Just another question. If i put the 3.9 ratio centre in my diff that currently has 3.45's will i have to change the 3.45 pinion shaft over with the 3.9 one?
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Old 03-06-13, 10:56   #233
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Yes. A gearset is made of the ring gear and pinion gear, which are a matched set.
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Old 03-06-13, 12:00   #234
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Ok. cheers man!
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Old 03-06-13, 16:41   #235
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Ok pplz where can I source some 4.11 from for cheap any help appreciated
Don't want em for free but don't wanna pay $600 either
Thanks
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Old 26-09-13, 17:25   #236
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G'day people.

I am currently onto a seller from Street and Strip gears in Melbourne and am bout to purchase some gears for my vl.

I was under the impression that vl's ran the 78 series BW.
They are telling me that they are 75 series BW and are quite sure.

I know this thread states on the very first page that they are 78 series but i just want to make sure and find out if it is possible to run 75's in a 78?

I need an answer from someone experienced!

There are way too many contradicting threads in here.

Cheers,

Steve
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Old 28-09-13, 21:01   #237
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Borg Warner 78 series, and nothing else. I'd suggest the person you spoke to is new/doesn't know what they're talking about, because S&S are pretty good.

4.11:1 gearsets came in the Pintara. Read the thread. Where do you usually get old car parts from?
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Old 07-10-13, 09:24   #238
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Does anyone here know what kind of power you can put through a standard spec vl turbo diff with 3.45 gears, using a manual gearbox, without risking any breakage or twisting axles?? I had my wagon diff rebuilt with a std lsd and 28 spline axles and i'm looking at putting about 500-550hp though it. I'm considering selling up now and building something stronger to handle more power.
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Old 07-10-13, 18:46   #239
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Quote:
Originally Posted by gold-vlt View Post
Does anyone here know what kind of power you can put through a standard spec vl turbo diff with 3.45 gears, using a manual gearbox, without risking any breakage or twisting axles?? I had my wagon diff rebuilt with a std lsd and 28 spline axles and i'm looking at putting about 500-550hp though it. I'm considering selling up now and building something stronger to handle more power.
500hp will be sweet, but i if you build a tougher diff now you wont have to worry about it later on. I've got a mate running around 600rwhp on a mild tune, and it's still going strong after a lot of abuse.
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Old 07-10-13, 20:46   #240
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500hp will be sweet, but i if you build a tougher diff now you wont have to worry about it later on. I've got a mate running around 600rwhp on a mild tune, and it's still going strong after a lot of abuse.
Yeah, that's what i'm thinking of doing. Otherwise I could be destroying a perfectly good diff that could be of use to someone else.

I had the housing and backing plates on it sandblasted and powdercoated satin black, used vlt axles with brand new bearings, brand new pinion and carrier bearings, mint 3.45 gears and low k lsd installed. rebuilt calipers, new discs, braided lines. None of it used yet.

Not sure what I could sell it for. I'm tossing up whether to transfer all the internals into my sedan's diff and then rebuild the wagon bw 78 with 3.7's, kaaz lsd and 31 spline axles or go all out and build a 9" for it. Possibly go mini tubs at the same time
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Old 09-10-13, 16:32   #241
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Up to $1000.
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Old 09-10-13, 18:43   #242
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Does any one know of any aftermarket gears for the 78 series or atleast something stronger than the std gears,
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Old 09-10-13, 20:58   #243
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I've only ever been able to find new standard sets, but that was at least 3 years ago. You could get a set made out of a stronger material, but it'd be expensive (unless you organised a group buy).
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Old 09-10-13, 21:50   #244
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I've only ever been able to find new standard sets, but that was at least 3 years ago. You could get a set made out of a stronger material, but it'd be expensive (unless you organised a group buy).
Yeah you can still by new sets but the price is redicilous, I don't know why no one makes them because there is a market for them,
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Old 09-10-13, 22:09   #245
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Just a question.. does anyone know if there is such thing as a 25 spline 4 pinion LSD that came out in the 78 series? either in commodores or fords etc?
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Old 09-10-13, 22:22   #246
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Just a question.. does anyone know if there is such thing as a 25 spline 4 pinion LSD that came out in the 78 series? either in commodores or fords etc?
Yeah na calais's and berlina's had them where optioned I think. should be on the first pages of this thread.
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Old 10-10-13, 07:03   #247
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It is, have a read.

And yes, there would be a market. They were $660 new a few years back.
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Old 15-08-14, 09:54   #248
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when swapping from disc 25 to 28 spline centre and axles,
Is it just a matter of unbolting the old and bolting in the new one?
not changing gearing or pinion.
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Old 15-08-14, 11:18   #249
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Even if your new centre has the same ratio ring gear, you have to make sure the gear tooth contact is correct and also the correct amount of backlash, also take note of the first post in this thread, the bearing cups are larger for the 28 spline axles.

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Old 13-07-15, 11:24   #250
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Heres some new info this thread could use, for anyone in the future who tries to do what i did.

VK Bw78 diff is the same width as the vl version, and will fit in no problem, BUT the axles are different. The centre of the diff sits about 20mm to the right compared the the VL diff.

Meaning the R/W axle from the vk is 20mm to short, and the left axle 20mm to long to fit into a vl housing.

Explanation:
i wrecked a vk a while back which had the borgwarner diff, which i kept because it was the first one ide seen . Building a new diff for my vh, (which already has a vl housing in it) i removed the 28 spline minispooled centre and axles to use in another diff, and planned to use the guts of the vk bw diff.

Pulled that all down minispooled the 25 spline centre and fitted that in the vh, then tried to fit the axles and had a few wtf? moments until i pulled out the tape measure and compared the 2 housings and found the above ^^.

so knowing this, im not going to use the vk axles/housing as there no way ide be able to find replacements when i break them.... so looking for some vl axles now!
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