'99 AT question
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Postmaster
Joined: Nov 2003
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From: Utah County, UT
'99 AT question
I have read a lot of things concerning AT with a 99 and 99.5. From my manufacture date, mine is a pre 99, made before dec. 31 of 98. From what I gather the tranny on a 99 wont lock up for engine braking, like towing trailer down hill. Is this correct?
Second, I have a SuperChip, can this change the characteristics of the tranny as to where it would lock up. Reason for asking is my AT behavoir doesn't sound like that of a typical pre 99 AT. Sounds more like the 99.5.
Thinking of different upgrades and order of purchase. Planning on getting 5th wheel next year and wondering if a trans command, or equivelent, would be necessary.
Thanks,
Mike
Second, I have a SuperChip, can this change the characteristics of the tranny as to where it would lock up. Reason for asking is my AT behavoir doesn't sound like that of a typical pre 99 AT. Sounds more like the 99.5.
Thinking of different upgrades and order of purchase. Planning on getting 5th wheel next year and wondering if a trans command, or equivelent, would be necessary.
Thanks,
Mike
Senior User
Joined: Apr 2004
Posts: 115
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From: Clifton, Texas
Originally Posted by cangim
I have read a lot of things concerning AT with a 99 and 99.5. From my manufacture date, mine is a pre 99, made before dec. 31 of 98. From what I gather the tranny on a 99 wont lock up for engine braking, like towing trailer down hill. Is this correct?
Second, I have a SuperChip, can this change the characteristics of the tranny as to where it would lock up. Reason for asking is my AT behavoir doesn't sound like that of a typical pre 99 AT. Sounds more like the 99.5.
Thinking of different upgrades and order of purchase. Planning on getting 5th wheel next year and wondering if a trans command, or equivelent, would be necessary.
Thanks,
Mike
Second, I have a SuperChip, can this change the characteristics of the tranny as to where it would lock up. Reason for asking is my AT behavoir doesn't sound like that of a typical pre 99 AT. Sounds more like the 99.5.
Thinking of different upgrades and order of purchase. Planning on getting 5th wheel next year and wondering if a trans command, or equivelent, would be necessary.
Thanks,
Mike
