[GT500R]

Anyone else notice in 4WD Sport and accelerating in 1st or 2nd gear the rear starts to hop?

Usually when it is damp out this happens... in Sport+ suspension.

[two1bar]

Yes same issue here. The OEM Conti tires are horrible in colder temps.

[GT500R]

Originally Posted by two1bar

Yes same issue here. The OEM Conti tires are horrible in colder temps.

I have PZero Nero stock... hmmm

[ThumperMCS]

Have PS4S's....zero wheel hop, never even had them break loose, even with launch control

[jlee]

Yup the summer tires are tough in the winter

[Wills2]

Not really, however when pulling out of a junction with about 1/2 a turn of lock on it chops like crazy if you push on the throttle too quickly, as if the transmission is binding trying to push straight ahead against the front wheels, it's quite a nasty feeling.

[mf44]

Originally Posted by GT500R

Anyone else notice in 4WD Sport and accelerating in 1st or 2nd gear the rear starts to hop?

Usually when it is damp out this happens... in Sport+ suspension.

If you are in the northeast, ambient temperature can play a role, too. Summer tires are going to exhibit this behavior when the temps drop. The solution is swapping to high performance winter tire when it gets colder.

[GT500R]

Originally Posted by mf44

If you are in the northeast, ambient temperature can play a role, too. Summer tires are going to exhibit this behavior when the temps drop. The solution is swapping to high performance winter tire when it gets colder.

Agree! Will be doing this next winter. I think these Max Performance Summer Tire I have on now should be good for the track 😈

[GT500R]

Originally Posted by Wills2

Not really, however when pulling out of a junction with about 1/2 a turn of lock on it chops like crazy if you push on the throttle too quickly, as if the transmission is binding trying to push straight ahead against the front wheels, it's quite a nasty feeling.

Yup I experience that too... don’t like it

[RoyB]

Originally Posted by Wills2

Not really, however when pulling out of a junction with about 1/2 a turn of lock on it chops like crazy if you push on the throttle too quickly, as if the transmission is binding trying to push straight ahead against the front wheels, it's quite a nasty feeling.

I get something similair when backing out of my driveway in the AMs. It's almost as though everything is frozen and it's breaking free.

[spta97]

Originally Posted by RoyB

I get something similair when backing out of my driveway in the AMs. It's almost as though everything is frozen and it's breaking free.

This happened to me with the summer tires at anything below 50 degrees (once I would turn the wheel and move forward after backing out).

It no longer happens with my Pirelli Scorpions.

I think it’s a traction issue with the summer compound as stated above.

[Richierich32]

Soon as mine arrives I'm thinking of putting 265 and 285 ps4's on!!

[Wills2]

Originally Posted by GT500R

Yup I experience that too... don’t like it

Today it was awful, just over half a turn of lock at a junction whilst pulling away it felt like the rear drive shafts were loose, chop/clunk/stagger/chop awful....

[spta97]

Originally Posted by Wills2

Today it was awful, just over half a turn of lock at a junction whilst pulling away it felt like the rear drive shafts were loose, chop/clunk/stagger/chop awful....

What was the temp? Do you notice it less when the tires warm up as measured by the TPMS?

Sounds like winter tires may be your solution as my issue completely disappeared after I installed them.

[Wills2]

Originally Posted by spta97

What was the temp? Do you notice it less when the tires warm up as measured by the TPMS?

Sounds like winter tires may be your solution as my issue completely disappeared after I installed them.

At the moment the weather here is about 40-60f, but the car has traction under load from low speed so it's not the tyres per se, it's the step off where it has issues and even worse when you step off with lock applied, it was doing it again today pretty awfully and is really starting to annoy me, going to take it in.

[spta97]

Originally Posted by Wills2

At the moment the weather here is about 40-60f, but the car has traction under load from low speed so it's not the tyres per se, it's the step off where it has issues and even worse when you step off with lock applied, it was doing it again today pretty awfully and is really starting to annoy me, going to take it in.

Forgive my ignorance, but can you explain what you mean by “step off” and “lock applied”?

Strait line traction wasn’t an issue for me with the summer tires. Rather, the issue was with the front wheels turned (and the rear wheels would skip/chop).

Best way I can describe it was like having a 4x4 on dry pavement which did not allow the rear wheels to slip (perhaps this is what you meant by locked (aka center diff locker).

Part of me thinks it’s a similar issue happening where some parts of the rear wheels grip and others parts slip due to the summer compound being cold. This would explain the choppy feeling of traction/no traction upon rotation.

Curious what the dealer says. I was freaked out at first by it but it was only a couple of days before I put on the winters and it hasn’t happened since so in my case it appears to be the tires.

I can tell you I won’t be putting the summers back on until the lows are in the 60s.

Please post back what the dealer says.

As an FYI, I did read another post where someone had a similar issue and most people said it was normal for it to happen from time to time due to the AWD.

[dazzapb]

Originally Posted by spta97

Forgive my ignorance, but can you explain what you mean by “step off” and “lock applied”?

Strait line traction wasn’t an issue for me with the summer tires. Rather, the issue was with the front wheels turned (and the rear wheels would skip/chop).

Best way I can describe it was like having a 4x4 on dry pavement which did not allow the rear wheels to slip (perhaps this is what you meant by locked (aka center diff locker).

Part of me thinks it’s a similar issue happening where some parts of the rear wheels grip and others parts slip due to the summer compound being cold. This would explain the choppy feeling of traction/no traction upon rotation.

Curious what the dealer says. I was freaked out at first by it but it was only a couple of days before I put on the winters and it hasn’t happened since so in my case it appears to be the tires.

I can tell you I won’t be putting the summers back on until the lows are in the 60s.

Please post back what the dealer says.

As an FYI, I did read another post where someone had a similar issue and most people said it was normal for it to happen from time to time due to the AWD.

Pretty sure it's the tyres too.

At a junction I also notice the rears spin and grip repeat with not much throttle. I put it down to lower temps (40-50f) and damp roads. With some spring heat in the tarmac I imagine it will improve

I have MPS4S

[Wills2]

Originally Posted by spta97

Forgive my ignorance, but can you explain what you mean by “step off” and “lock applied”?

"step off" is a term used to describe a vehicles transition from stationary to moving, "Lock" is a term used to describe turning the steering wheel.

[daltonvaas]

Originally Posted by Wills2

Not really, however when pulling out of a junction with about 1/2 a turn of lock on it chops like crazy if you push on the throttle too quickly, as if the transmission is binding trying to push straight ahead against the front wheels, it's quite a nasty feeling.

I get this too, glad i'm not the only person that's experienced it. It was actually embarrassing once as someone question if the car was 4wd even

[spta97]

Originally Posted by Wills2

"step off" is a term used to describe a vehicles transition from stationary to moving, "Lock" is a term used to describe turning the steering wheel.

Ah - thanks!

I assume this is either UK speak or I’m behind on car lingo. In my day we used to say “step on it” meaning mash the gas peddle.

Yes, acceleration (even minimal) with the wheel turned is where I had the issue before switching to winters.

[Wills2]

Originally Posted by spta97

Ah - thanks!

I assume this is either UK speak or I’m behind on car lingo. In my day we used to say “step on it” meaning mash the gas peddle.

Not really, so you've never heard the term "opposite lock" in regard to counter steering in an over steer situation?

Yes "stepping on it" is in the same vein as regards the term "step off" i.e. the application of throttle to move the car from a stationary position.