Which LSD?
#17
The quaife is cheap compaired to the other mentioned LSD like 997 Cup et cetera.
As far as i understood they are all LSD just the technic to achieve it is different (Plates/Gears).
Since you can leave the transmission in the car, the swop should be done in a couple of hours.
As far as i understood they are all LSD just the technic to achieve it is different (Plates/Gears).
Since you can leave the transmission in the car, the swop should be done in a couple of hours.
Your $5K Motorsport Cup/Guard LSD can be compared to $10K 3-way high end Motorsport shocks like JRZs/MCS in the same way your $1K Quife/Wavetrack can be compared to $3K PSS10s or other budget coil overs. All get the job done in one form or another and it's up to you to figure out what is appropriate or sufficient for your use. Just because something is more expensive does not necessarily make it better. Sometimes the cheaper option is the better option. In the same way that PSS10s are a much better choice than a using a 3-way race shock in a street car, a Quife/Wavetrack TBD is a probably a better choice than a high preload motorsport LSD. The exact opposite would be true for a no compromise track set up. Different strokes for different folks..
Last edited by pwdrhound; 11-18-2017 at 01:09 AM.
#18
Not the case... If you lift one wheel - the other wheel gets all the torque. I had a Quaife on a previous car and would put one on my TT without a second thought. The case you describe above is simply open diff.
#19
i think the key to the debate, as to which is better suited to the car? has to do with the primary goals and applications as john has reasonably pointed out.
for a purely track focused weapon? sure, go with one of the guard offerings for track proven utility. however, if the car is a dual duty primary street driven car? there is NO situation in which you will find the TBD type ( whether quaife OR wavetrac ) to be lacking.
there is a reason even guard makes both their own proprietary plate type lsd's available, alongside their TBD "lsd".
different strokes, for different folks, applications, and price points. neither application or "type" ultimately chosen, will be accompanied with regret.
#22
This is a heavily departed topic but it really comes down to use and needs. The wavetrac is what I'd suggest to 99% of people. It has all the positives of both a clutch style and torsen style diff with the negatives of neither. It's also very affordable.
now if you have a straight track car, a clutch style is what you want because you can get 100% lock out of it as well as time it for your needs. Cost is much much greater though and will have to be rebuilt over time.
imo on anything that's a street car/weekend warrior, the wavetrac is the best decision
now if you have a straight track car, a clutch style is what you want because you can get 100% lock out of it as well as time it for your needs. Cost is much much greater though and will have to be rebuilt over time.
imo on anything that's a street car/weekend warrior, the wavetrac is the best decision
#26
^ I'll add,IMHO also having a Boxster, (and talking roadcourse/cornering performance, not drag/straight) I could see Wavetrac/Quiafe/TBD having more merit on that platform vs a 911, which really likes having lock-up as a clutch style gives, particularly on corner entry and transitions...
#27
you say this as if its a bad thing. heres something your awesome guard unit doesnt have that the wavetrac does. a lifetime warrenty against failure. break it they fix it no questions asked. my buddy i drag race with broke a pinion gear and destroyed the internals of his wavetrac. sent it back and they fully replaced any bad parts and all he paid was shipping.
you asked if anyone was using it on the track. i showed you they were. corvettes use it bmw uses it and so does lamborghini. are there specific 996 cars using it? im sure there are . is it a huge difference between front and rear engine cars? sure. but the diff works and its reasonably priced and customer service is second to none.
for the 20 or so hard core road racers on this forum sure buy a guard. for the other 6000 folk that track once a month or twice a yr and street use it theres not a better priced and workable unit on the market
just my .02 and with 5$ you get a cup of coffee. take it for what its worth. i have a wavetrac in 4 vehicles 2 porsche turbo 996 and 2 m/b amg cars. love the way it performs but im just a lowly drag racer
you asked if anyone was using it on the track. i showed you they were. corvettes use it bmw uses it and so does lamborghini. are there specific 996 cars using it? im sure there are . is it a huge difference between front and rear engine cars? sure. but the diff works and its reasonably priced and customer service is second to none.
for the 20 or so hard core road racers on this forum sure buy a guard. for the other 6000 folk that track once a month or twice a yr and street use it theres not a better priced and workable unit on the market
just my .02 and with 5$ you get a cup of coffee. take it for what its worth. i have a wavetrac in 4 vehicles 2 porsche turbo 996 and 2 m/b amg cars. love the way it performs but im just a lowly drag racer
With that said regarding the warranty, Im not sure I've ever seen a Guards unit fail... Also I don't think many Guards diffs get drag raced so that could play a role. IMO, one of the harshest conditions you can put on a diff is a high rpm clutch drop on sticky track. I've done the drag race thing and it's a whole different ballgame and feels much more... harsh environment I guess.. than road course.
That said, I have a Guards unit and that's what I would recommend to people that ask me, but I can totally see the cost to performance benefit of the wavetrac for 98% of users who can't go wrong either way.
#29
the main difference is the guard unit will need to be rebuilt on a regular basis no matter the use. for the wavetrac run it until it breaks then let the warrenty do the rebuild. that was the point i was trying to make. theres no doubt the guard is a high quality well made unit. but it does have its shortcomings however slight they may be
#30
Without it the car was often lighting the PSM at the dash during heavy accels, since it the traction is better even in straight line.