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Option code MM6, MN6

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Old Apr 12, 2008 | 10:16 AM
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Default Option code MM6, MN6

I have both on my option list, what's the difference?
MM6 - 6-SPEED MANUAL TRANSMISSION
MN6 - TRANSMISSION, 6-SPEED MANUAL
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Old Apr 12, 2008 | 10:19 AM
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Originally Posted by YeeeeeHaw
I have both on my option list, what's the difference?
MM6 - 6-SPEED MANUAL TRANSMISSION
MN6 - TRANSMISSION, 6-SPEED MANUAL
One is the standard manual transmission for 2005-2007 (MM6) the other is the 2008- standard manual transmission (MN6)

Last edited by talon90; Apr 12, 2008 at 10:34 AM.
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Old Apr 12, 2008 | 10:23 AM
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Originally Posted by talon90
One is the standard manual transmission, one is the optional transmission with the gearing for the Z51 package.
So I have the Z51 gearing? Which code is it, MN6?
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Old Apr 12, 2008 | 10:30 AM
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Originally Posted by YeeeeeHaw
So I have the Z51 gearing? Which code is it, MN6?
Actually I need to make a correction to what I posted above.

The 2005-2007 6 speed manual used RPO MM6 but folks interchange MN6 with it to abbreviate Manual 6 speed. The actual RPO for the Z51 gearing is MZ6.

MN6 is the GM RPO used to list the 4T65E transmission. This is also the new standard RPO for the 2008 and 2009 manual six speed transmission.

Last edited by talon90; Apr 12, 2008 at 10:33 AM.
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Old Apr 12, 2008 | 10:32 AM
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Originally Posted by talon90
Actually I need to make a correction to what I posted above.

The 2005-2007 6 speed manual used RPO MM6 but folks interchange MN6 with it to abbreviate Manual 6 speed. The actual RPO for the Z51 gearing is MZ6.

MN6 is the GM RPO used to list the 4T65E transmission.
Yes, you are rigth, thanks for the correction.
I found this on another thread.

MYC
Transmission - Auto 6 Spd, HMD, 6L80

MM6
Transmission - Man 6 Spd, Tremec, 85mm, 2.66 1st, 0.50 6th, O/D

MN6
Merchandised Trans - Man 6 Spd Provisions

MX0
Merchandised Trans - Auto Provisions, O/D

MZ6
Transmission - Man 6 Spd, Tremec, 85mm, 2.97 1st, 0.57 6th, O/D
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Old Apr 12, 2008 | 10:35 AM
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Originally Posted by talon90
Actually I need to make a correction ...

The actual RPO for the Z51 gearing is MZ6.
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