Os giken lsd

[phat_6ltr]

Hey guys found this lsd on ebay this morning has anyone on here used one of these before? if so what do you rate them, any problems, worth the money?

http://www.ebay.com.au/itm/VE-HSV-MALOO-R8-GTS-327-HIGH-PERFORMANCE-LSD-LIMITED-SLIP-OS-GIKEN-SUPERLOCK-/200668205753?pt=AU_Car_Parts_Accessories&hash=item2eb8c1d2b9#ht_1801wt_905

[phat_6ltr]

Anyone?????

[Xjas]

They are pretty pricy, not sure you see much benfit over a locker type diff unless you were doing a lot of track work with.

[phat_6ltr]

I'm after a solid diff that can handle 550hp for a car that'll mainly see street use and maybe a few runs down the quarter, would this one be the one to go for?

[hansyd]

Marrano fitted Os giken 2 way lock LSD on my VE redline ute, absolutely worth the money mate, quiet on the road, haven't had any problems after track days.

[phat_6ltr]

Marrano fitted Os giken 2 way lock LSD on my VE redline ute, absolutely worth the money mate, quiet on the road, haven't had any problems after track days.

Yeah sweet, was ur diff on the way out? can u pm me what u paid supplied n fitted?

Cheers Johnny

[Souljah]

Why not go a Harrop TruTrac? Cheaper and is a gear driven unit unlike this unit which still uses clutch plates.

[phat_6ltr]

Why not go a Harrop TruTrac? Cheaper and is a gear driven unit unlike this unit which still uses clutch plates.

What's the noise level like?I'm only assuming it'd be louder cos of the gears?

[awesome _vzss]

What's the noise level like?I'm only assuming it'd be louder cos of the gears?

I have a harrop trutrac fitted,dosn't even make a sound and will handle the power easily.
A lot of people on the forum use this diff with no problems.

[phat_6ltr]

I have a harrop trutrac fitted,dosn't even make a sound and will handle the power easily.
A lot of people on the forum use this diff with no problems.

Yeah I've just been doing a little reading on them, they're pretty tough.. What's a good price s&f?

[Xjas]

The 1.5 way and 2 way LSDs are used in track cars due to there ability to lock the drive axles (or partial lock in the case of a 1.5) on overrun, although I'm not 100% sure of the benifit of this, I dont think locker type diffs like the Harrop have this feature (but I could wrong on this).

[godsvt2]

i would go the harrop price is out hand for what is just more clutch packs

[Souljah]

What's the noise level like?I'm only assuming it'd be louder cos of the gears?
The only extra noise is both rear tyres being shredded with consummate ease. :driving:

[OMR346]

It looks similar to a KAAZ LSD.

[phat_6ltr]

The only extra noise is both rear tyres being shredded with consummate ease. :driving:

Now that's a sound I can get used to..

[phat_6ltr]

It looks similar to a KAAZ LSD.

Is KAAZ clutch set up too?

[AQICLS3]

Is KAAZ clutch set up too?

Yes it is....

[phat_6ltr]

Seems unconventional to have clutches that would eventually wear, a lot quicker than gears I would imagine..

[OMR346]

Is KAAZ clutch set up too?

Yea they have clutches. I have one apart that i destroyed a couple months a go at Powercruise.

http://www.ls1.com.au/forum/showthread.php?t=152504

[phat_6ltr]

Yea they have clutches. I have one apart that i destroyed a couple months a go at Powercruise.

http://www.ls1.com.au/forum/showthread.php?t=152504

Hmmmm.. Trutrac is lookin like the choice..

[OMR346]

Hmmmm.. Trutrac is lookin like the choice..

That is what i replaced it with :)

[Djbarnstar]

Hmmmm.. Trutrac is lookin like the choice..

Don't believe its all good. I busted one and Harrop wouldn't warrant it.......

[phat_6ltr]

Don't believe its all good. I busted one and Harrop wouldn't warrant it.......

I guess nothing is unbreakable.. It's a pity Harrop didn't help you out with a repair or even a new unit.. Still think that the Trutrack is going to be a more reliable product over the KAAZ and other clutch driven units.. Imo.. :)

[stockergts]

we switched to the kaaz in the ve rally car as we blew 3 harrop truetracs the first one the covered the rest the owner has been on his own

[phat_6ltr]

we switched to the kaaz in the ve rally car as we blew 3 harrop truetracs the first one the covered the rest the owner has been on his own

Wow, 3's not as lucky as they say lol.. How is the new one holding up?

[VY-SV8]

you really need to be honest about what you will be using your car for. if it is only street and strip work, i wouldnt even bother with the truetrac, for half the cost you can change your diff ratio and have the standard item shimmed up nice and tight. If it ever were to fail you can have it rebuilt and still you'd be running less $$ than the harrop unit.

the only thing the standard diff unit won't is track work, the clutch packs fail when you put big side loadings on them and accelerating out of corners hard will kill it pretty quickly which is where the mechanical units are superior.

in a straight line and around town the standard unit is pretty damn good, and you won't the the pain in the a$$ factor of changing diff gear so often as you do with the mechanical types.

[phat_6ltr]

I'm not too keen on different ratios as far as what the car will be used for is strictly street use might do a quarter mile run and a track day or two when all the work is complete.. It feels like the inside wheel spins when turning, instead of both, is that the LSD not working right?

[VY-SV8]

yeah, the clutch packs do wear over time, especially when trying to put power down when the diff is laterally loaded up. Like hard acceleration out of corners.

if you want to keep the same diff ratios you can have the standard diff reshimmed up nice and tight, which will be a LOT cheaper than going for a trutrack.

it also pays to keep in mind that even in a fully functioning LSD the wheels can only ever spin at the same speed, and in corners it is necessary for the inside wheel to spin faster as it has less distance to travel. so even under power the inside wheel will spin first.

[Blown 540]

I have tried a few diffs,the harrop will take more than they say,good diff in my humble opinion.

[phat_6ltr]

yeah, the clutch packs do wear over time, especially when trying to put power down when the diff is laterally loaded up. Like hard acceleration out of corners.

if you want to keep the same diff ratios you can have the standard diff reshimmed up nice and tight, which will be a LOT cheaper than going for a trutrack.

it also pays to keep in mind that even in a fully functioning LSD the wheels can only ever spin at the same speed, and in corners it is necessary for the inside wheel to spin faster as it has less distance to travel. so even under power the inside wheel will spin first.

Might just do that and see how well it goes, have you got any shop recommendations around newy/syd area? I understand the inner wheel will always spin more but it almost feels like the outside doesn't at all sometimes, like it's doin a one legger..

[phat_6ltr]

I have tried a few diffs,the harrop will take more than they say,good diff in my humble opinion.

Lol yeah I'm surprised any diff withstood that ute.. Brutal.. If I was to upgrade I'd go the Harrop I dare say.

Cheers

[VY-SV8]

Might just do that and see how well it goes, have you got any shop recommendations around newy/syd area? I understand the inner wheel will always spin more but it almost feels like the outside doesn't at all sometimes, like it's doin a one legger..

the dreaded vn-spec peg legger, gotta love em. :P

sorry i am a brissy boy so i couldn't help you with any shop recommendations, i am sure there are others on here that will be able to help you.

I think people are just a little too quick to go big and upgrade parts of their car with the biggest and the best right off the bat. If you are honest with yourself like i was, and admit like you have that 99% of your driving in on the street with occasional 1/4 burl. I had mine rebuilt and shimmed up nicely, and it was like driving a different car, hooked up beautifully, made the rear end just feel a whole less sloppy like an open wheeler. i think you'll be pleasently surprised with how good the standard LSD's are after a proper diff man gets his hands on it.

unless of course you want big power or track duties. then you really will be pushing the standard diff too hard, you'd have to go mechanical.

[BECAUZ]

the dreaded vn-spec peg legger, gotta love em. :P

sorry i am a brissy boy so i couldn't help you with any shop recommendations, i am sure there are others on here that will be able to help you.

I think people are just a little too quick to go big and upgrade parts of their car with the biggest and the best right off the bat. If you are honest with yourself like i was, and admit like you have that 99% of your driving in on the street with occasional 1/4 burl. I had mine rebuilt and shimmed up nicely, and it was like driving a different car, hooked up beautifully, made the rear end just feel a whole less sloppy like an open wheeler. i think you'll be pleasently surprised with how good the standard LSD's are after a proper diff man gets his hands on it.

unless of course you want big power or track duties. then you really will be pushing the standard diff too hard, you'd have to go mechanical.

My diff is gettin very sloppy. Was talking last night about what options i have with a mate.

How much did this path cost? Whats a harrop worth? Car has a stage 2 cam difilippo exhaust and all the other bolt ons but with a stock diff and clutch....

Suggestions with price? Price will play a big part, my wedding's around the corner and i want to be able to perform at least one awesome burnout!

[OMR346]

you really need to be honest about what you will be using your car for. if it is only street and strip work, i wouldnt even bother with the truetrac, for half the cost you can change your diff ratio and have the standard item shimmed up nice and tight. If it ever were to fail you can have it rebuilt and still you'd be running less $$ than the harrop unit.

the only thing the standard diff unit won't is track work, the clutch packs fail when you put big side loadings on them and accelerating out of corners hard will kill it pretty quickly which is where the mechanical units are superior.

in a straight line and around town the standard unit is pretty damn good, and you won't the the pain in the a$$ factor of changing diff gear so often as you do with the mechanical types.

It cost me $1900 to have my Truetrac (Eaton) supplied and fitted to the diff housing (i dropped the housing off) along with new 4.11:1 gearing, bearings, end caps, etc. Most places want around $1400 for supply and fit of gearing alone, so for the extra $500, i have issues in going the Truetrac.

My KAAZ cost me $2k with 3.73:1 gearing and a Harrop rear cover. That was also second hand when i got it. It lasted me a little over a year before destroying itself at Powercruise.

As for standard LSD verses Truetrac at the drag strip, ill take the Truetrac any day. The standard LSD will do just as good, but when it comes to burnouts and a lot of WOT racing, they tend to wear out very fast. If i was to get my diff reshimmed even once a year, it would blow out to way more then the Truetrac in no time. So it was an easy answer.

You say your newly shimmed diff was great. I've done that before as well, but the Truetrac shits all over it. I've had stock, KAAZ and now Truetrac. My recommendations to anyone will be go the Truetrac. And i'm sure anyone else who has used them would say the same. Especially to you since you are planning to do more work to your car.

[VY-SV8]

My diff is gettin very sloppy. Was talking last night about what options i have with a mate.

How much did this path cost? Whats a harrop worth? Car has a stage 2 cam difilippo exhaust and all the other bolt ons but with a stock diff and clutch....

Suggestions with price? Price will play a big part, my wedding's around the corner and i want to be able to perform at least one awesome burnout!

I'm not a diff man, so don't quote me on prices but i had mine done for about $350 (from memory, i don't wanna go digging through receipts right now... it's beer time), i pulled it out myself and refitted it. It may run you more if go for the drive in/out option. Keep in mind i didn't change the ratios.


It cost me $1900 to have my Truetrac (Eaton) supplied and fitted to the diff housing (i dropped the housing off) along with new 4.11:1 gearing, bearings, end caps, etc. Most places want around $1400 for supply and fit of gearing alone, so for the extra $500, i have issues in going the Truetrac.

My KAAZ cost me $2k with 3.73:1 gearing and a Harrop rear cover. That was also second hand when i got it. It lasted me a little over a year before destroying itself at Powercruise.

As for standard LSD verses Truetrac at the drag strip, ill take the Truetrac any day. The standard LSD will do just as good, but when it comes to burnouts and a lot of WOT racing, they tend to wear out very fast. If i was to get my diff reshimmed even once a year, it would blow out to way more then the Truetrac in no time. So it was an easy answer.

You say your newly shimmed diff was great. I've done that before as well, but the Truetrac shits all over it. I've had stock, KAAZ and now Truetrac. My recommendations to anyone will be go the Truetrac. And i'm sure anyone else who has used them would say the same. Especially to you since you are planning to do more work to your car.

for me, yeah. Once i start to get a sloppy rear end i'll be going a mechanical gearset in the rear only because once i bolt a giant hair-dryer on the side of my motor the stadard unit will give up pretty damn quick.

putting myself aside, i was suggesting that for the OP that he should definitely have a go at getting the standard item reshimmed and built before going down the costly path of a truetrac diff.

horses for courses, if you are planning of going to more than a few drag racing events, and or track days. Then you simply can't beat the reliability of a mechanical diff. But for general road use, the price difference is definitely noticable and the standard unit isn't that bad once it's been rebuilt.

[phat_6ltr]

Thanx for the great feedback guys, glad I started this thread it's given me a lot to think about.. I say 1 or 2 drag races or a track day here and there but we all know what that can turn into once you get a taste. Thanx for posting prices too it gives me a good indication on how much extra I'll need for the build.. I'm going to wait till the car is boosted and see how much power it lays down before making my decision (I'll know where to look for my info lol) from all the info here its definitely a great investment no matter which option I choose.. For now I will embrace my vn-spec peg legger..

Does anyone have some fully sic HSV badges I could buy to plaster all over my boot?

Cheers Johnny