My thoughts on my Gripper M56H LSD

[Hank Scorpio]

Even though I know there aren't many FWD guys here, I thought I'd share my review from another forum.

Well, I took the T5R "camping" for the weekend and got to push it around some (rough but) decently twisty roads.

Before I installed the LSD from Gripper (http://www.racecar.co.uk/gripper/) the car looked like this:

http://www.youtube.com/watch?v=LGcB3Fj-tIQ

In first, second or 3rd gear under 80 mph you couldn't even roll into the throttle with out spinning the tires. The car made 1 pass down the track before it gernaded the diff, 14 @ 106 with a 2.9 60' time (LOL). Tires were RT615 Azenis 225/40/18 and Potenza S03's of the same size. Both tires had the same trouble. It was bad enough going straight, forgettabout going around corners on the gas.

-post installation-

The difference is beyond what I had hoped for. Roll into the throttle at 3500 in first gear and it just hooks and catapualts towards redline. I can chip and maybe haze the tires for a split second on a 1-2 and it just keeps on hooking after that. Tires are now 225/40/18 Kuhmo SPT's (320 treadware, shouldn't be nearly as grippy as the previous tires)

What BLEW me away is the amount of cornering traction the car has now. On my camping trip most of the road spent was middle of second gear - bottom of third turns. Normally I would stick the car in 5th and just lug from corner to corner to keep from spinning the tires off the road. Now the car feels like its down 300bhp it hooks so well. It actually took me about an hour of driving to even begin to start trusting the amount of grip the car now had.

the one thing I noticed is the car behaves "backwards" cornering. Prior, in order to tighten up the line mid corner I would let off the throttle and let the weight on the front end help pull the car back on line. Now, letting off the throttle now almost pushes the car wide, getting on the gas pulls it in tight.

I can NOT speak highly enough of this. I honestly thought the car would push all the time in corners and still spin the tires in 1st gear. From the few people I know running Quaifes this is pretty much how they described their cars. I am absolutely floored by this, makes driving the car 100x better (which it should, the damn things are expensive enough lol).

Doug

[MikeHardy]

thats is cool. i wonder if you blew the diff cause the variation in wheel speed was so great for such a long time that spiders just couldn't cope.

PS heard about the fixing the brake line in the car park episode

[Hank Scorpio]

thats is cool. i wonder if you blew the diff cause the variation in wheel speed was so great for such a long time that spiders just couldn't cope.

PS heard about the fixing the brake line in the car park episode

:rofl: :rofl: word travels fast. The way the lines work out on the rear R conversion has always been sketchy imo.

Wheel hop killed the diff. The track was pretty well prepped for about oh 30 ft then it was slick as owl ****. It'd sorta hook, right about as full boost hit, it'd hit the unprepped section and just wheel hop as I was trying to pedal the throttle. Doesn't take long with a stock diff to grenade it.

It actually almost completely cracked through the case along the bottom. I should take a picture of it sometimes.

[TheJoyOfSix]

I've had the pleasure of driving a tweaked 850 T5R that had a LSD retrofitted to it, as well as driving T5R's and R's with no locker.

I have to say I'm 100% in agreement with Doug - it is such a vast improvement that it should be the first mod anyone does to a blown 5pot car. It allows you to accelerate and corner at the same time, reduces understeer drastically almost to the point where there isn't any and allows you to steer the car with the throttle.

[Mesoam]

sweet, i need a raise so i can start a project, :lol:

[Hank Scorpio]

I've had the pleasure of driving a tweaked 850 T5R that had a LSD retrofitted to it, as well as driving T5R's and R's with no locker.

I have to say I'm 100% in agreement with Doug - it is such a vast improvement that it should be the first mod anyone does to a blown 5pot car. It allows you to accelerate and corner at the same time, reduces understeer drastically almost to the point where there isn't any and allows you to steer the car with the throttle.

Pretty much on what I feel. I took some **** from the guys riding behind me because I wasn't running that fast (mostly because the car was rubbing the tires pretty bad). It was SUCH a change in attitude for the car it took me along time to really get comfortable with its now found limits. They are now MUCH higher than I'd push any car on the street.

sweet, i need a raise so i can start a project, :lol:

Me and you both brother. Buy an M56 and a diff, send them to me and I'll put the entire thing together for you ;-)

[stylngle2003]

doug, would that diff work in a newer s60 NA 5speed?

[MikeHardy]

:rofl: :rofl: word travels fast. The way the lines work out on the rear R conversion has always been sketchy imo.

news travels really fast, i have an express line right from justin

[Hank Scorpio]

doug, would that diff work in a newer s60 NA 5speed?

Any M56 (5spd) should be the same. We (gripper and I) have a feeling it would also fit the M66 but haven't had an M66 to compare against yet.

[Morley]

Any options for us lame autotragic users? Besides converting? I am a lazy bastard when it comes to driving...

[stylngle2003]

you're stuck continuing to be lame, i guess

[Hank Scorpio]

Any options for us lame autotragic users? Besides converting? I am a lazy bastard when it comes to driving...

Not that I know of. I've never split open the auto to see how similar its diff is.

The M59 uses viscous coupled axles as a "sort of LSD", those would fit the automatic though. ;-)

[John V, outside agitator]

:rofl: :rofl: word travels fast. The way the lines work out on the rear R conversion has always been sketchy imo.

Wheel hop killed the diff. The track was pretty well prepped for about oh 30 ft then it was slick as owl ****. It'd sorta hook, right about as full boost hit, it'd hit the unprepped section and just wheel hop as I was trying to pedal the throttle. Doesn't take long with a stock diff to grenade it.

It actually almost completely cracked through the case along the bottom. I should take a picture of it sometimes.

Doug, you now can have the giggles I have had in my old Saab v4 since I shoved in the first real box in it back in 1985.
Now I can't imagine owning a car if I can get a good diff for it.

Now i know I annoy the fawk outta you for some reason and truth is you, or more properly your 'moderating' (actually the lack of moderating yourself) bugs me so you don't want read anything I write regardless but let me help the others who read what you write (cause you know, there are some people who read what you write and respect it).

Your diff broke because it is a weak cast iron diff that has only two pinions.

Your Gripper should last longer because the case is STEEL and it has 4 pinions.

You seen Norberts?

[Morley]

The Gripper is a lamell-type LSD?

[Morley]

you're stuck continuing to be lame, i guess

See sig.

[the poi]

Ban him!! /\/\



Nice to know you've found this "traction" they speak of. Track time!

edit:// goddamnit morley. doug, ban johnv, but ****, ban morley too for messing up my lazy quote

[John V, outside agitator]

The Gripper is a lamell-type LSD?

Jovisst, men Jänkarna säger icke "lamell", dom säger ''clutch type'' eller ''multi-plate'' eller enklare ''plate'' diff.

Men heere gud vad jag har läst för Norrman historior om hur diffarna, enligt pojkarna, ska fungera, oi oi oi!

Lameell diffad i min Saab sen for ever!

[Hank Scorpio]

Doug, you now can have the giggles I have had in my old Saab v4 since I shoved in the first real box in it back in 1985.
Now I can't imagine owning a car if I can get a good diff for it.

Now i know I annoy the fawk outta you for some reason and truth is you, or more properly your 'moderating' (actually the lack of moderating yourself) bugs me so you don't want read anything I write regardless but let me help the others who read what you write (cause you know, there are some people who read what you write and respect it).

Your diff broke because it is a weak cast iron diff that has only two pinions.

Your Gripper should last longer because the case is STEEL and it has 4 pinions.

You seen Norberts?

Bert is numero-uno I know with a Quaife. He said his will still spin in 1st and understeer on the gas in corners. Thats why I was so surprised with how mine behaved. Wheel hop is known to be what will absolutely kill an M56H OE diff, but you are right in terms of strength.

-about moderating:

John, there is a small, simple set of rules that everyone here has to follow. Some people cross them more often than others, but all of the moderators enforce them as fairly as possible. While you may feel singled out it, it is simply because when most members receive a slap on the wrist, they do not throw public tirades as such. AS an adult and someone that uses this board HEAVILY to sell their own products we expect a bit more maturity from you and respect towards other "vendors" (ie, not slamming them every chance you get, ect).

That being said, I ('specially in the last 6 months) have rarely had to issue you an infraction, give you a PM warning, ect. Actually in the last 6 months I've rarely had to do more than ban spammers and move threads to the right forum (so bravo to tbricks!). To summarize, think of this like school. Someone is paying for us to be here, they set the rules and if they think your being out of line, they will tell you.

-Now to get back on topic. LSD = awesome.

[safracr]

Nice to know you've found this "traction" they speak of. Track time!

Go blow some **** up, or try to Doug! I want to see what this "traction" looks like on the track, though I did enjoy the 14 @ 106 since I did cross the finish line first :rofl:

[Volvoteen]

yea...can you post some vids please...id like to see the difference it makes

[Hank Scorpio]

Go blow some **** up, or try to Doug! I want to see what this "traction" looks like on the track, though I did enjoy the 14 @ 106 since I did cross the finish line first :rofl:

I think I snuck by you right at the end ;-)

Next week I might go out. No beating on the car till after Carlsen this weekend

[Big Lan]

I took some **** from the guys riding behind me because I wasn't running that fast

Sorry man, I just wanted to go faster :-P

[Hank Scorpio]

Sorry man, I just wanted to go faster :-P

lol no worries. Sorry I was holding you up thrashing your gf's car ;-)

[benfer]

i want a 850 turbo now. your car and some random black T5 on youtube made my mind up for me.

[Big Lan]

lol no worries. Sorry I was holding you up thrashing your gf's car ;-)

I've flogged it much harder on worse roads. She only complains afterward. :rofl:

[Hank Scorpio]

I've flogged it much harder on worse roads. She only complains afterward. :rofl:

:rofl: :rofl: I bet. I beat the **** out of my s60.. leases ftw

[RoadRacer4Life]

what did it cost? i was looking at there site and they offer one for rear drive volvo.. would one fit a 700-200 series car?

Sam

[Hank Scorpio]

You have PM

[joe90]

VOLVO REAR WHEEL DRIVE @ £700 -

OUCH! FIRST YOU PUT THIS AND THEN YOUR NEXT UPGRADE IS THE TRANSMISSION :)

[BDKR]

Awesome Doug. That 850 is simply awesome. I have a huge fondness for 850's since it was in one that my Volvo cherry was popped.

As for ...


the one thing I noticed is the car behaves "backwards" cornering. Prior, in order to tighten up the line mid corner I would let off the throttle and let the weight on the front end help pull the car back on line. Now, letting off the throttle now almost pushes the car wide, getting on the gas pulls it in tight.


Assuming the balance of the car is correct, it's my guess that both of these behaviours can be construed as correct depending on how close to the limit you are. Are you carrying more speed into the corners now that you have more grip? That could account for the change in behaviour.

[IceCold4x4]

why go to the trouble sam? just weld the rear end. I'll vouch it's not that bad. . .

[RoadRacer4Life]

i was just curious?