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4l60e question

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Old 09-08-2006, 12:41 AM
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ok a friend of mine has a 99 trans am (not ws-6) his transmission automaticaly shifts him into 2nd even though he has it manually shifted in to 1st. is this normal because mine does not do that?
Old 09-08-2006, 03:44 AM
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thats normal. unless you have a tran-go HD2 kit, or the trans programed to shift higher, it will protect itsself and shift. my caddy would do that.
Old 09-08-2006, 05:10 AM
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It depends on the year of the car. My 2001 would hold 1st.
Old 09-08-2006, 09:15 AM
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Some 4l60e will upshift when in manual low others do not , this can be fixed in one of two ways , Programing is one solution and the transgo hd2 kit is the other , The hd2 is the definate fix ,
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Old 09-08-2006, 02:00 PM
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thanks guys
Old 09-08-2006, 02:06 PM
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my 2000 will not shift automatically if I put it in 1st, and I dont have a shift kit
Old 09-08-2006, 03:20 PM
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As I was saying before some 4l60e transmissions factory will hold the gear forever virtually others will not and i have seen them thant will not hold past 3500 rpm , its in the programing of the ecm but im not sure why ?
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Old 09-10-2006, 03:37 AM
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my cadillac would hold 1st to 5000. but then again, it was a 94 cadillac. The caprice came witha trans go, and has a trans outta an unknown year f-body. so I will never know about that one.




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