Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-18 Thread Peter Merle
I think its electrical as when you press the pedal the brake lights come
one - in fact perhaps they don't come on and that's the whole problem
PEter


-Original Message-
From: R A Bennell [mailto:[EMAIL PROTECTED] 
Sent: 17 October 2007 17:41
To: Mercedes Discussion List
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?


Not if it continues when the vehicle is stopped. 

Randy

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Tom Hargrave
Sent: Tuesday, October 16, 2007 10:35 PM
To: 'Mercedes Discussion List'
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?


Since the vibration is related to pressing the brake pedal, the issue
must be one or both warped rotors.

Tom
www.kegkits.com
 
Original Message
From: Redghost [EMAIL PROTECTED]
Sent: 10/16/07 10:26 PM
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= I have a head scratcher in Gump.  The
new transmission was installed  
fine, but now I have a resonance/vibration from the front end when I  
am stopped and brake pedal is depressed.  Initial vibrations starts  
at initial brake engagement and lasts until I get off the brakes.   
Transmission in neutral, idle speed.

clay

On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels - 
 downhill travel even when engine switched off). The sound is quite 
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to tell 
 somebody a lot.

 If it was clutch or pilot bearing related I would expect that it could

 be teased away by operating the clutch.  I had a car with an 
 unbalanced something, and I'd just run the clutch a few times until 
 the thing got into a sweet spot and didn't do it anymore.  Until the 
 next time you shifted up into high.

 -- Jim


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Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-17 Thread Peter Merle
Its all tight Tom. I am tending to believe is gearbox related. When
declutching while resonance is active is goes away.
PEter

-Original Message-
From: Tom Hargrave [mailto:[EMAIL PROTECTED] 
Sent: 17 October 2007 05:57
To: 'Mercedes Discussion List'
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?


It's vibrating when you apply the pedal and still doing it when the
car's not moving? 

I would have guessed a colapsed motor mount  the reverse torque on the
engine that's being applied while your foot is off the accelerator was
causing the metal parts to meet  caused the vibration. But you repleced
the mounts.

Any chance that the 2 small screws that hold the mounts to the sub-frame
are not properly tightened?

Tom
www.kegkits.com

Original Message
From: Redghost [EMAIL PROTECTED]
Sent: 10/16/07 10:48 PM
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= I thought that, but it is persistent
while stopped, not just at  
engagement.  I have new engine  transmission mounts which cured the  
previous shakes.  There is some rattle transmitted to the dash and  
steering wheel

clay


On 16 Oct 2007, at 20:35, Tom Hargrave wrote:

 Since the vibration is related to pressing the brake pedal, the issue 
 must be one or both warped rotors.

 Tom
 www.kegkits.com

 Original Message
 From: Redghost [EMAIL PROTECTED]
 Sent: 10/16/07 10:26 PM
 To: Mercedes Discussion List mercedes@okiebenz.com
 Subject: Re: [MBZ] Vibrations was - Pilot bearing failure? 
 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= I have a head scratcher in Gump.  The

 new transmission was installed fine, but now I have a 
 resonance/vibration from the front end when I am stopped and brake 
 pedal is depressed.  Initial vibrations starts at initial brake 
 engagement and lasts until I get off the brakes. Transmission in 
 neutral, idle speed.

 clay

 On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels - 
 downhill travel even when engine switched off). The sound is quite 
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to tell 
 somebody a lot.

 If it was clutch or pilot bearing related I would expect that it 
 could be teased away by operating the clutch.  I had a car with an 
 unbalanced something, and I'd just run the clutch a few times until 
 the thing got into a sweet spot and didn't do it anymore.  Until the 
 next time you shifted up into high.

 -- Jim


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Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-17 Thread Tom Hargrave
I suspect the input shaft bearing.

Thanks,
Tom Hargrave
www.kegkits.com
256-656-1924
 

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of Peter Merle
Sent: Wednesday, October 17, 2007 1:42 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?

Its all tight Tom. I am tending to believe is gearbox related. When
declutching while resonance is active is goes away.
PEter

-Original Message-
From: Tom Hargrave [mailto:[EMAIL PROTECTED] 
Sent: 17 October 2007 05:57
To: 'Mercedes Discussion List'
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?


It's vibrating when you apply the pedal and still doing it when the
car's not moving? 

I would have guessed a colapsed motor mount  the reverse torque on the
engine that's being applied while your foot is off the accelerator was
causing the metal parts to meet  caused the vibration. But you repleced
the mounts.

Any chance that the 2 small screws that hold the mounts to the sub-frame
are not properly tightened?

Tom
www.kegkits.com

Original Message
From: Redghost [EMAIL PROTECTED]
Sent: 10/16/07 10:48 PM
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= I thought that, but it is persistent
while stopped, not just at  
engagement.  I have new engine  transmission mounts which cured the  
previous shakes.  There is some rattle transmitted to the dash and  
steering wheel

clay


On 16 Oct 2007, at 20:35, Tom Hargrave wrote:

 Since the vibration is related to pressing the brake pedal, the issue 
 must be one or both warped rotors.

 Tom
 www.kegkits.com

 Original Message
 From: Redghost [EMAIL PROTECTED]
 Sent: 10/16/07 10:26 PM
 To: Mercedes Discussion List mercedes@okiebenz.com
 Subject: Re: [MBZ] Vibrations was - Pilot bearing failure? 
 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= I have a head scratcher in Gump.  The

 new transmission was installed fine, but now I have a 
 resonance/vibration from the front end when I am stopped and brake 
 pedal is depressed.  Initial vibrations starts at initial brake 
 engagement and lasts until I get off the brakes. Transmission in 
 neutral, idle speed.

 clay

 On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels - 
 downhill travel even when engine switched off). The sound is quite 
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to tell 
 somebody a lot.

 If it was clutch or pilot bearing related I would expect that it 
 could be teased away by operating the clutch.  I had a car with an 
 unbalanced something, and I'd just run the clutch a few times until 
 the thing got into a sweet spot and didn't do it anymore.  Until the 
 next time you shifted up into high.

 -- Jim


 ___
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Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-17 Thread Peter Merle
IS this 5 speed box similar to older the 4 speed box's from the 114/115
and 123 series ? IS removal similar to W123 procedure?
PEter

-Original Message-
From: Tom Hargrave [mailto:[EMAIL PROTECTED] 
Sent: 17 October 2007 09:05
To: 'Mercedes Discussion List'
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?


I suspect the input shaft bearing.

Thanks,
Tom Hargrave
www.kegkits.com
256-656-1924
 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]
On Behalf Of Peter Merle
Sent: Wednesday, October 17, 2007 1:42 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?

Its all tight Tom. I am tending to believe is gearbox related. When
declutching while resonance is active is goes away. PEter

-Original Message-
From: Tom Hargrave [mailto:[EMAIL PROTECTED] 
Sent: 17 October 2007 05:57
To: 'Mercedes Discussion List'
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?


It's vibrating when you apply the pedal and still doing it when the
car's not moving? 

I would have guessed a colapsed motor mount  the reverse torque on the
engine that's being applied while your foot is off the accelerator was
causing the metal parts to meet  caused the vibration. But you repleced
the mounts.

Any chance that the 2 small screws that hold the mounts to the sub-frame
are not properly tightened?

Tom
www.kegkits.com

Original Message
From: Redghost [EMAIL PROTECTED]
Sent: 10/16/07 10:48 PM
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= I thought that, but it is persistent
while stopped, not just at  
engagement.  I have new engine  transmission mounts which cured the  
previous shakes.  There is some rattle transmitted to the dash and  
steering wheel

clay


On 16 Oct 2007, at 20:35, Tom Hargrave wrote:

 Since the vibration is related to pressing the brake pedal, the issue
 must be one or both warped rotors.

 Tom
 www.kegkits.com

 Original Message
 From: Redghost [EMAIL PROTECTED]
 Sent: 10/16/07 10:26 PM
 To: Mercedes Discussion List mercedes@okiebenz.com
 Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= I have a head scratcher in Gump.  The

 new transmission was installed fine, but now I have a
 resonance/vibration from the front end when I am stopped and brake 
 pedal is depressed.  Initial vibrations starts at initial brake 
 engagement and lasts until I get off the brakes. Transmission in 
 neutral, idle speed.

 clay

 On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels -
 downhill travel even when engine switched off). The sound is quite 
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to tell
 somebody a lot.

 If it was clutch or pilot bearing related I would expect that it
 could be teased away by operating the clutch.  I had a car with an 
 unbalanced something, and I'd just run the clutch a few times until 
 the thing got into a sweet spot and didn't do it anymore.  Until the 
 next time you shifted up into high.

 -- Jim


 ___
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 For used parts email [EMAIL PROTECTED]

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Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-17 Thread R A Bennell
Not if it continues when the vehicle is stopped. 

Randy

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Tom Hargrave
Sent: Tuesday, October 16, 2007 10:35 PM
To: 'Mercedes Discussion List'
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?


Since the vibration is related to pressing the brake pedal, the issue
must be one or both warped rotors.

Tom
www.kegkits.com
 
Original Message
From: Redghost [EMAIL PROTECTED]
Sent: 10/16/07 10:26 PM
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
I have a head scratcher in Gump.  The new transmission was installed  
fine, but now I have a resonance/vibration from the front end when I  
am stopped and brake pedal is depressed.  Initial vibrations starts  
at initial brake engagement and lasts until I get off the brakes.   
Transmission in neutral, idle speed.

clay

On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels -
 downhill travel even when engine switched off). The sound is quite
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to
 tell somebody a lot.

 If it was clutch or pilot bearing related I would expect that
 it could be teased away by operating the clutch.  I had a car
 with an unbalanced something, and I'd just run the clutch a few
 times until the thing got into a sweet spot and didn't do it
 anymore.  Until the next time you shifted up into high.

 -- Jim


 ___
 http://www.okiebenz.com
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 For used parts email [EMAIL PROTECTED]

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Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-16 Thread Redghost
I have a head scratcher in Gump.  The new transmission was installed  
fine, but now I have a resonance/vibration from the front end when I  
am stopped and brake pedal is depressed.  Initial vibrations starts  
at initial brake engagement and lasts until I get off the brakes.   
Transmission in neutral, idle speed.

clay

On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels -
 downhill travel even when engine switched off). The sound is quite
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to
 tell somebody a lot.

 If it was clutch or pilot bearing related I would expect that
 it could be teased away by operating the clutch.  I had a car
 with an unbalanced something, and I'd just run the clutch a few
 times until the thing got into a sweet spot and didn't do it
 anymore.  Until the next time you shifted up into high.

 -- Jim


 ___
 http://www.okiebenz.com
 For new parts see official list sponsor: http://www.buymbparts.com/
 For used parts email [EMAIL PROTECTED]

 To Unsubscribe or change delivery options go to:
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Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-16 Thread Tom Hargrave
Since the vibration is related to pressing the brake pedal, the issue
must be one or both warped rotors.

Tom
www.kegkits.com
 
Original Message
From: Redghost [EMAIL PROTECTED]
Sent: 10/16/07 10:26 PM
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
I have a head scratcher in Gump.  The new transmission was installed  
fine, but now I have a resonance/vibration from the front end when I  
am stopped and brake pedal is depressed.  Initial vibrations starts  
at initial brake engagement and lasts until I get off the brakes.   
Transmission in neutral, idle speed.

clay

On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels -
 downhill travel even when engine switched off). The sound is quite
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to
 tell somebody a lot.

 If it was clutch or pilot bearing related I would expect that
 it could be teased away by operating the clutch.  I had a car
 with an unbalanced something, and I'd just run the clutch a few
 times until the thing got into a sweet spot and didn't do it
 anymore.  Until the next time you shifted up into high.

 -- Jim


 ___
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 For new parts see official list sponsor: http://www.buymbparts.com/
 For used parts email [EMAIL PROTECTED]

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Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-16 Thread Redghost
I thought that, but it is persistent while stopped, not just at  
engagement.  I have new engine  transmission mounts which cured the  
previous shakes.  There is some rattle transmitted to the dash and  
steering wheel

clay


On 16 Oct 2007, at 20:35, Tom Hargrave wrote:

 Since the vibration is related to pressing the brake pedal, the issue
 must be one or both warped rotors.

 Tom
 www.kegkits.com

 Original Message
 From: Redghost [EMAIL PROTECTED]
 Sent: 10/16/07 10:26 PM
 To: Mercedes Discussion List mercedes@okiebenz.com
 Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 I have a head scratcher in Gump.  The new transmission was installed
 fine, but now I have a resonance/vibration from the front end when I
 am stopped and brake pedal is depressed.  Initial vibrations starts
 at initial brake engagement and lasts until I get off the brakes.
 Transmission in neutral, idle speed.

 clay

 On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels -
 downhill travel even when engine switched off). The sound is quite
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to
 tell somebody a lot.

 If it was clutch or pilot bearing related I would expect that
 it could be teased away by operating the clutch.  I had a car
 with an unbalanced something, and I'd just run the clutch a few
 times until the thing got into a sweet spot and didn't do it
 anymore.  Until the next time you shifted up into high.

 -- Jim


 ___
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 For new parts see official list sponsor: http://www.buymbparts.com/
 For used parts email [EMAIL PROTECTED]

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Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-16 Thread Tom Hargrave
It's vibrating when you apply the pedal and still doing it when the
car's not moving? 

I would have guessed a colapsed motor mount  the reverse torque on the
engine that's being applied while your foot is off the accelerator was
causing the metal parts to meet  caused the vibration. But you repleced
the mounts.

Any chance that the 2 small screws that hold the mounts to the sub-frame
are not properly tightened?

Tom
www.kegkits.com

Original Message
From: Redghost [EMAIL PROTECTED]
Sent: 10/16/07 10:48 PM
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
I thought that, but it is persistent while stopped, not just at  
engagement.  I have new engine  transmission mounts which cured the  
previous shakes.  There is some rattle transmitted to the dash and  
steering wheel

clay


On 16 Oct 2007, at 20:35, Tom Hargrave wrote:

 Since the vibration is related to pressing the brake pedal, the issue
 must be one or both warped rotors.

 Tom
 www.kegkits.com

 Original Message
 From: Redghost [EMAIL PROTECTED]
 Sent: 10/16/07 10:26 PM
 To: Mercedes Discussion List mercedes@okiebenz.com
 Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 I have a head scratcher in Gump.  The new transmission was installed
 fine, but now I have a resonance/vibration from the front end when I
 am stopped and brake pedal is depressed.  Initial vibrations starts
 at initial brake engagement and lasts until I get off the brakes.
 Transmission in neutral, idle speed.

 clay

 On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels -
 downhill travel even when engine switched off). The sound is quite
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to
 tell somebody a lot.

 If it was clutch or pilot bearing related I would expect that
 it could be teased away by operating the clutch.  I had a car
 with an unbalanced something, and I'd just run the clutch a few
 times until the thing got into a sweet spot and didn't do it
 anymore.  Until the next time you shifted up into high.

 -- Jim


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Re: [MBZ] Vibrations was - Pilot bearing failure?

2007-10-16 Thread Redghost
There is a chance, and I am going under in the morning to make sure  
all screws are tight at least to a modicum of torque.  Will be  
looking for bushings that might be shot.  I know the upper control  
arm needs some, as do the lowers, but I have not invested in a set of  
replacements and will be postponing that until spring or summer so  
that oldest boy will have something to work on before we take him out  
for driving lessons

clay

On 16 Oct 2007, at 20:57, Tom Hargrave wrote:

 It's vibrating when you apply the pedal and still doing it when the
 car's not moving?

 I would have guessed a colapsed motor mount  the reverse torque on  
 the
 engine that's being applied while your foot is off the accelerator was
 causing the metal parts to meet  caused the vibration. But you  
 repleced
 the mounts.

 Any chance that the 2 small screws that hold the mounts to the sub- 
 frame
 are not properly tightened?

 Tom
 www.kegkits.com

 Original Message
 From: Redghost [EMAIL PROTECTED]
 Sent: 10/16/07 10:48 PM
 To: Mercedes Discussion List mercedes@okiebenz.com
 Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 I thought that, but it is persistent while stopped, not just at
 engagement.  I have new engine  transmission mounts which cured the
 previous shakes.  There is some rattle transmitted to the dash and
 steering wheel

 clay


 On 16 Oct 2007, at 20:35, Tom Hargrave wrote:

 Since the vibration is related to pressing the brake pedal, the issue
 must be one or both warped rotors.

 Tom
 www.kegkits.com

 Original Message
 From: Redghost [EMAIL PROTECTED]
 Sent: 10/16/07 10:26 PM
 To: Mercedes Discussion List mercedes@okiebenz.com
 Subject: Re: [MBZ] Vibrations was - Pilot bearing failure?
 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
 I have a head scratcher in Gump.  The new transmission was installed
 fine, but now I have a resonance/vibration from the front end when I
 am stopped and brake pedal is depressed.  Initial vibrations starts
 at initial brake engagement and lasts until I get off the brakes.
 Transmission in neutral, idle speed.

 clay

 On 16 Oct 2007, at 07:12, Jim Cathey wrote:

 even replicate this on reverse torque ( engine driven by wheels -
 downhill travel even when engine switched off). The sound is quite
 powerfull and does not feel like a unbalanced flywheel/propshaft.

 That's a big clue.  Not for me, unfortunately, but it ought to
 tell somebody a lot.

 If it was clutch or pilot bearing related I would expect that
 it could be teased away by operating the clutch.  I had a car
 with an unbalanced something, and I'd just run the clutch a few
 times until the thing got into a sweet spot and didn't do it
 anymore.  Until the next time you shifted up into high.

 -- Jim


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