mAydAy Posted February 15, 2006 Report Share Posted February 15, 2006 I'd honestly rather have Don's unit, especially if its the same price...... Link to comment Share on other sites More sharing options...
Gioseppe Posted February 16, 2006 Report Share Posted February 16, 2006 I have to say this is the first time I heard that a gear type slips when in the air!Everything I've read over the last 30years says the oppsite!no no no.i said a gear type will still put power to the wheel with traction when the other one is in the air. Link to comment Share on other sites More sharing options...
Slater Posted February 16, 2006 Report Share Posted February 16, 2006 I'd honestly rather have Don's unit, especially if its the same price......Dude, I've had both torque biasing and clutch type LSDs and I can honetly say the gear type is better. The "wheel in the air" line is used to sell gear type LSDs. 99.999% of the people on the street NEVER lift one wheel while driving. When RACING that is a different story (including autox), which is what clutch type LSDs are made for. When you race your car you rebuild everything regularly - the engine, the suspension, brakes, and your transmission (i.e. clutch packs). That's why maintaining a clutch LSD is no biggie for racers.Don't forget that Quaife LSDs have a LIFETIME guarentee. Seriously, you can send them a 10 year old Quaife that you didn't even buy that exploded and as long as you didn't take it apart and try and monkey it they will replace it no questions asked. The point is that they are built bulletproof.So unless you RACE your car, or have a need for setting up a clutch type LSD for a specific ration (1, 1.5, etc) then just keep it simple and get the Quaife.Also, you guys don't need "big power" for an LSD. I had one on a 160hp car and it made a HUGE difference in everyday handling. After having a car FWD with an LSD, you will never want to go back to a car without. It makes that much of a difference. Sure, on straight line launching it helps, but don't think that's the only reason you need one. If you think that's the only reason for an LSD you are wrong. You can weld your stock open diff and get the same effect if all you want is straight line launching i.e. at the qtr mile drag strip. The main reason why you want an LSD is so that the outside wheel can spin faster than the inside wheel WHEN TURNING. When the outside wheel is allowed to spin at the correct ratio, the result is better traction through turns, and reduction in understeer, etc. That is what an LSD is for, and I don't know about you but I go through turns every day, even when doing the speed limit in my Camry while taking my daughter to school. So an LSD isn't just for 500Hp and up people. Link to comment Share on other sites More sharing options...
ProjectT-5R Posted February 16, 2006 Report Share Posted February 16, 2006 Slater, you make some of the best, most thought out, and educated posts on this board.I am still for quiafe parts as I said. if someone can get them for the 700-900 range whether as a distrubotor or wholesale or whatever I dont care, I have your money for you. I autox a bit, and with a modified suspension I am not seeing any issues with wheel lift on open or tight courses. 99.9% of use do not need to worry about this. Why does quiafe say the need 15 orders and then they will make 30? that seems silly, and like we (the group buy) are just covering them to make more then they need to. Just make the 15 and the price could go down right? We would not be covering the cost of the extra 15 they may not sell.Todd Link to comment Share on other sites More sharing options...
javadoc Posted February 16, 2006 Report Share Posted February 16, 2006 Is the M56 tranny in the S40 the same unit that you'd see in say a 1998-2000 S/V70? Quaife UK lists 525 pounds for that application. That doesn't seem anywhere near $1300 US. It's more like $914. Here's a link: Quaife UK Page Link to comment Share on other sites More sharing options...
Slater Posted February 16, 2006 Report Share Posted February 16, 2006 Slater, you make some of the best, most thought out, and educated posts on this board.I am still for quiafe parts as I said. if someone can get them for the 700-900 range whether as a distrubotor or wholesale or whatever I dont care, I have your money for you. I autox a bit, and with a modified suspension I am not seeing any issues with wheel lift on open or tight courses. 99.9% of use do not need to worry about this. Why does quiafe say the need 15 orders and then they will make 30? that seems silly, and like we (the group buy) are just covering them to make more then they need to. Just make the 15 and the price could go down right? We would not be covering the cost of the extra 15 they may not sell.ToddThanks Todd, I apprerciate that.The reason why manufacturers do it is because they know that friends will tell friends, others will come along right after the group buy and want to be a part of it, and that 16th and 17th person won't get shafted if they make 30. It also has to do with other manufacturing considerations like tooling, machine programming, etc. But I won't bore you with those details. The point is that most manufacturers like to have a FEW extra parts in inventory. You just don't want too many or not enough. We can thank the Japanese for teaching us the JIT philosophy (JIT = just in time). Link to comment Share on other sites More sharing options...
ProjectT-5R Posted February 16, 2006 Report Share Posted February 16, 2006 Oh I understand the concepts of tooling and machine programming and even assebly change over for low volume, (I work as a manufacturing engineer, and yes it is VERY boring) it just seems like double is overkillOh I understand the concepts of tooling and machine programming and even assebly change over for low volume, (I work as a manufacturing engineer, and yes it is VERY boring) I did not think tooling and parts and programming would be too much of and issue, as alot of the parts in the diffs. are universal, and they have made these before. It just seems like double is overkill.If it is quoted at 911.xx from the UK I will order it from there and just pay the higher shipping. I am sure if someone confronts Quaife USA with the 2 different quotes given, and that differance between the UK price, and when the buy gets more serious the price will come back to where we had been talking. Link to comment Share on other sites More sharing options...
JHEIII874T5M Posted February 16, 2006 Report Share Posted February 16, 2006 If it is quoted at 911.xx from the UK I will order it from there and just pay the higher shipping. I am sure if someone confronts Quaife USA with the 2 different quotes given, and that differance between the UK price, and when the buy gets more serious the price will come back to where we had been talking.Quaife North America denies ever having made an 850/70 series M56H diff. whether here or overseas. Anyone have a part #? Link to comment Share on other sites More sharing options...
ProjectT-5R Posted February 16, 2006 Report Share Posted February 16, 2006 QDF12J is my best guess. Maybe ask on of the UK suppliers or the people at atech. Link to comment Share on other sites More sharing options...
JHEIII874T5M Posted February 16, 2006 Report Share Posted February 16, 2006 QDF12J is my best guess. Maybe ask on of the UK suppliers or the people at atech.Agreed... it seems to be the S40 one. http://www.quaife.co.uk/downloads/technica...olvo/QDF12J.pdf Link to comment Share on other sites More sharing options...
jross Posted February 16, 2006 Report Share Posted February 16, 2006 Spoke to Quaife earlier today on the phone, they said they'll have to get back to me on the pricing but they did know which LSD I was talking about and it was for the 850s. Link to comment Share on other sites More sharing options...
GT2 Posted February 16, 2006 Report Share Posted February 16, 2006 no no no.i said a gear type will still put power to the wheel with traction when the other one is in the air.Yes you and I agree I was ref to don kalmar who said you loose all traction! :) Link to comment Share on other sites More sharing options...
mAydAy Posted February 16, 2006 Report Share Posted February 16, 2006 Slater, I do race my car. As a matter of fact, I'm going to VIR with it in 48 hours. I'm signed up for atleast 2 or 3 autocrosses with it already also. And these are just the events that have registration open already. Link to comment Share on other sites More sharing options...
ProjectT-5R Posted February 16, 2006 Report Share Posted February 16, 2006 Mayday, are you seeing lift at these events? I would assume you are running an upgraded suspension, I am suprised you are having problems. Maybe the Kalmar Union would be a good option for you. but for the Group buy the Quiafe is the way to go. for price (I hope cheaper) and reliablity. Link to comment Share on other sites More sharing options...
mAydAy Posted February 16, 2006 Report Share Posted February 16, 2006 If the Quaife ends up significantly cheaper, I'd probably go with it. Without knowing the rates of Don's it does make it a bit harder to choose also. II'm not seeing significant lift with it right now, I will before its over with. I'll be itnerested to see how my new rear setup does though, my 325# springs should really spark some fire under that jerk. I'm thinking it needs to end up with something more like 350-500#/500-650# front/rear before it'll really get nasttty. Until then, I should have a prototype set of the adjustable control arms next week or so, and a nice solid front alignment should be a very gooood start to things. I'm not sure how much this car will ever lift, being 3400-3500lbs and seeing as I'm not likely to easily fit much more than a wide 225 under it without significant mods that I'm just entirely too lazy to do. Link to comment Share on other sites More sharing options...
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