Aaron's car is a MONSTER.... that car is gonna kick but at the track for sure!

 

Rumour I heard is this was not the case!
But don't ask me where I heard it!

Stacy

 

Hi:

Does the Quaife unit offer any benefits under braking? How much labor on the LSD install?

Thanks.

 

I do believe that having a LWFW increases your HP at the wheels. There is less energy required to spin the drive shaft, so that energy has to go somewhere- energy is never lost. It must therefore go to driving the wheels. I'd bet that my RWHP has increased, meaning the % HP decrease from crank to wheels has been reduced.
CATTMAN

 

The only way you or I would find out first hand would be to do a dyno test before and after. I would be interested to find out, who is going forest the theory?

 

Glad you are happy with the mods man! Yes, you would gain HP at the wheels due to less parastic drag (31lbs down to 13lbs). I too am extremely happy with my FVD LWFW. However, I am now concerned about the balancing issues which was not brought to my attention b4 hand. My dealer installed it for me and said it will not void my warranty. But I assume if the motor failed and it was due to the FVD LWFW then they would quickly change their minds. Any benefits on the road from the LSD? Will the car launch better from a stand still? With it would one actually post better times at the dragstrip? I know our cars are not drag cars but I enjoy the straightline as much as carving corners. How much would the install run on a LSD?

 

The install for both items was 16 hours, the LSD required some shimming after it was installed, so the shop pulled it apart and worked on it. I am not sure what the break down of time was per item. I would suggest you call your dealer or indy and get them to tell you how much time it would take.

A LSD transfers power to the wheel that has the most grip, the stock open diff would transfer the energy to the wheel with the least amount of grip. I wouldn't think that the LSD would be any help on the drag strip.

 

actually...at the drag strip...depending on the type and setup of your LSD...it would help...

only because with the LSD...it will eventually LOCK both wheels....which will allow a greater and more consistant power delivery.

with the open diff...only one wheel will get most of the power....and start to slide.

in cornering the LSD will LOCK at hi loads...and slip at low loads allowing for sharper turn in and more aggresive power application on tighter corners. and the load is controlled by how much throttle you are applying

 

LWFW is worth 6-10rwhp, at least that's what it was worth on a E46 M3. The 997 has a much heavier flywheel than the OEM E46 M3 so it could be worth even more.

Dave

 

This theory is interesting Dave.

Looking at the current GT3 vs GT3RS, the GT3RS has LWFW, they both have same hp, but the RS has a very slight edge in acceleration. So this small advantage will be due to this LWFW and their small weight difference then...

 

I think the LWFW let's the car get into it's powerband more quickly.

Dave