Limited slip (good news)
Nov 24, 2012, 08:24 PM
#17
Evolving Member
iTrader: (2)
Join Date: Mar 2011
Location: Ontario
Posts: 492
Likes: 0
Received 0 Likes
on
0 Posts
i was looking on the quaife web sight i beileve and if you order direct the unit is about 400 pounds i think which worked out around 950 dollars. add shipping and your in a similar ballpark. Also much less then the rrm diff just not sure how much and how long to ship from that side of the pond :P
also the quaife is 870 here https://www.extremepsi.com/store/pro...roductid=20219
also the quaife is 870 here https://www.extremepsi.com/store/pro...roductid=20219
Last edited by RallyartRob; Nov 24, 2012 at 08:31 PM.
Nov 25, 2012, 06:42 AM
#19
i was looking on the quaife web sight i beileve and if you order direct the unit is about 400 pounds i think which worked out around 950 dollars. add shipping and your in a similar ballpark. Also much less then the rrm diff just not sure how much and how long to ship from that side of the pond :P
also the quaife is 870 here https://www.extremepsi.com/store/pro...roductid=20219
also the quaife is 870 here https://www.extremepsi.com/store/pro...roductid=20219
i'll let you know when i ship it to Ziggy..
Dec 18, 2012, 04:13 PM
#22
i know guys that have run these for years and haven't had any problems...i can't see it, it would have to shatter, but the part itself doesn't take any load other than applying outward pressure on the spider gears....
EDIT:
just did some searching and found a few old threads about diff failures, most were not directly caused by the lsd unit. it WILL of course wear the spider gears over time, because that's how it works, but most of the searching i did found that many people were happy with the units and reported they worked well after tens of thousands of miles...most of the failures i saw were early model phantom grips in honda transmissions, and the general consensus is that honda diffs used spider gears that were of a softer metal than other manufacturers...i would even consider pulling the Quaife and testing it myself...definately go for the tool steel though.
it would actually be interesting to use some sort of replaceable friction material on the plates...
EDIT:
just did some searching and found a few old threads about diff failures, most were not directly caused by the lsd unit. it WILL of course wear the spider gears over time, because that's how it works, but most of the searching i did found that many people were happy with the units and reported they worked well after tens of thousands of miles...most of the failures i saw were early model phantom grips in honda transmissions, and the general consensus is that honda diffs used spider gears that were of a softer metal than other manufacturers...i would even consider pulling the Quaife and testing it myself...definately go for the tool steel though.
it would actually be interesting to use some sort of replaceable friction material on the plates...
Last edited by CrAnSwIcK; Dec 18, 2012 at 04:52 PM.
Dec 18, 2012, 05:56 PM
#24
the whole job? from lifting the car to setting it back down? or just installing the unit into an already removed diff?
installing the unit it simple, you compress the springs between the plates, and temporarily bolt the plates together with the little brackets, so the springs are compressed. remove the differential drive gear, knock out the retaining pin for the main diff pin, slide the main dif pin out, insert the lsd unit, slide the main pin back through it, insert the retaining pin, and remove the brackets releasing the springs, allowing the plates to separate, bolt the drive gear back on and reinstall...once the tranny is empty and out of the car i would estimate an hour or two for the install, but then you have RTV silicone curing time when you reassemble the transmission case...with the diff by itself after the drive gear is removed, it would literally take less than 2 minutes to install the unit.
installing the unit it simple, you compress the springs between the plates, and temporarily bolt the plates together with the little brackets, so the springs are compressed. remove the differential drive gear, knock out the retaining pin for the main diff pin, slide the main dif pin out, insert the lsd unit, slide the main pin back through it, insert the retaining pin, and remove the brackets releasing the springs, allowing the plates to separate, bolt the drive gear back on and reinstall...once the tranny is empty and out of the car i would estimate an hour or two for the install, but then you have RTV silicone curing time when you reassemble the transmission case...with the diff by itself after the drive gear is removed, it would literally take less than 2 minutes to install the unit.
Last edited by CrAnSwIcK; Dec 18, 2012 at 05:59 PM.
Dec 19, 2012, 04:40 AM
#25
Evolving Member
iTrader: (2)
Join Date: Mar 2011
Location: Ontario
Posts: 492
Likes: 0
Received 0 Likes
on
0 Posts
the whole job? from lifting the car to setting it back down? or just installing the unit into an already removed diff?
installing the unit it simple, you compress the springs between the plates, and temporarily bolt the plates together with the little brackets, so the springs are compressed. remove the differential drive gear, knock out the retaining pin for the main diff pin, slide the main dif pin out, insert the lsd unit, slide the main pin back through it, insert the retaining pin, and remove the brackets releasing the springs, allowing the plates to separate, bolt the drive gear back on and reinstall...once the tranny is empty and out of the car i would estimate an hour or two for the install, but then you have RTV silicone curing time when you reassemble the transmission case...with the diff by itself after the drive gear is removed, it would literally take less than 2 minutes to install the unit.
installing the unit it simple, you compress the springs between the plates, and temporarily bolt the plates together with the little brackets, so the springs are compressed. remove the differential drive gear, knock out the retaining pin for the main diff pin, slide the main dif pin out, insert the lsd unit, slide the main pin back through it, insert the retaining pin, and remove the brackets releasing the springs, allowing the plates to separate, bolt the drive gear back on and reinstall...once the tranny is empty and out of the car i would estimate an hour or two for the install, but then you have RTV silicone curing time when you reassemble the transmission case...with the diff by itself after the drive gear is removed, it would literally take less than 2 minutes to install the unit.
Dec 19, 2012, 04:45 AM
#26
Evolving Member
iTrader: (2)
Join Date: Mar 2011
Location: Ontario
Posts: 492
Likes: 0
Received 0 Likes
on
0 Posts
i know guys that have run these for years and haven't had any problems...i can't see it, it would have to shatter, but the part itself doesn't take any load other than applying outward pressure on the spider gears....
EDIT:
just did some searching and found a few old threads about diff failures, most were not directly caused by the lsd unit. it WILL of course wear the spider gears over time, because that's how it works, but most of the searching i did found that many people were happy with the units and reported they worked well after tens of thousands of miles...most of the failures i saw were early model phantom grips in honda transmissions, and the general consensus is that honda diffs used spider gears that were of a softer metal than other manufacturers...i would even consider pulling the Quaife and testing it myself...definately go for the tool steel though.
it would actually be interesting to use some sort of replaceable friction material on the plates...
EDIT:
just did some searching and found a few old threads about diff failures, most were not directly caused by the lsd unit. it WILL of course wear the spider gears over time, because that's how it works, but most of the searching i did found that many people were happy with the units and reported they worked well after tens of thousands of miles...most of the failures i saw were early model phantom grips in honda transmissions, and the general consensus is that honda diffs used spider gears that were of a softer metal than other manufacturers...i would even consider pulling the Quaife and testing it myself...definately go for the tool steel though.
it would actually be interesting to use some sort of replaceable friction material on the plates...
i was reading one post from a transmisison builder who says if these do fail they have the possibility of taking oiut the entire transmission from debris which is woorysome fo some of tnhe cheap units from ebay but phantom grip has been in bussiness for 15ish years so musnt happen often if it does.
also im a bit woried because if u look at our spiders the only real wear surface where this lsd unit would contact is a small contact patch on a circle maybe 1" inside diameter and about 3/8" wide so not alot of wear material there. Im not sure if this is similar to other cars spiders but would it have a greater chance of wearing heavily in this small surface area
Dec 19, 2012, 05:34 AM
#27
the face of the spider gears have some surface area on the actual gears as well...though it would take a very long time to wear into the actual teeth of the gears. to destroy your transmission, like i said it would have to completely shatter. the thing is, i've never actually heard of this happening even through searching, and i've seen a few transmissions on high output cars that have stripped entire gears, and most of the transmission was salvageable...aside from the input shaft which the shredded gear was physically a part of. thing is, if you need that peace of mind, you're looking at $800-$1,200.
Dec 19, 2012, 07:12 AM
#30
Since it's integrated with the gearbox on most FWDs I doubt anyone like a scrap yard will sell just a diff 2nd hand.
We aren't like Rustangs and such to have that luxury.
Oops typo !!!
Also, how is the Galant so far Lanzer ? Still like it ?