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4L60E 2-3 shift

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Old Nov 29, 2008 | 01:54 PM
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Default 4L60E 2-3 shift

Is it just me or does this shift seem like it takes way longer to complete than the 1>2 shift.
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Old Nov 29, 2008 | 02:19 PM
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The 2-3 does indeed take longer because there is more going on. With the 1-2 shift fluid is only being sent to the small 1-2 accumulator and the 2nd servo . With the 2-3 fluid is being sent to the 3-4 clutch set and the much larger back side of the servo to release the band, So there is a need for a greater volume of fluid to complete the shift. Therefore more time to fill the chambers
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Old Nov 30, 2008 | 01:33 PM
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thanks for breaking it down for me. i set my 2>3 shift to occur at a slightly lower rpm than the 1>2 since it take a lot more lead time. hopefully this will make it feel at least a little quicker.
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Old Nov 30, 2008 | 04:19 PM
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i have had my shift kit on for a little more than a year. now my 1>2 shifts take forever. it shifts between 1900-2300rpm depending on how hard i press the gas. i never remembered it shifting from 1 to 2 so late in the rpm's.
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Old Nov 30, 2008 | 05:25 PM
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Originally Posted by C_Rules
thanks for breaking it down for me. i set my 2>3 shift to occur at a slightly lower rpm than the 1>2 since it take a lot more lead time. hopefully this will make it feel at least a little quicker.
I have same "problem". 1>2 shift happens instantly, while 2>3 seems to take quite a while...maybe 2-300 rpm's past what I have it set to shift at.
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Old Dec 1, 2008 | 01:53 AM
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Originally Posted by C_Rules
Is it just me or does this shift seem like it takes way longer to complete than the 1>2 shift.
Over fill the trans by 1/2 a quart. Start out in D and once it goes into second gear put the shifter in OD for the 2-3 shift.
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Old Dec 1, 2008 | 12:21 PM
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Originally Posted by Z-RATED94
Over fill the trans by 1/2 a quart. Start out in D and once it goes into second gear put the shifter in OD for the 2-3 shift.
ahhh nice little trick...i'll have to try that out.

on a seperate note what kind of wheels you running? any grinding necessary with those?
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Old Dec 1, 2008 | 12:24 PM
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Originally Posted by C_Rules
ahhh nice little trick...i'll have to try that out.

on a seperate note what kind of wheels you running? any grinding necessary with those?
Bogarts, no grinding. Well I did grind the bumpstops a little. There a little pricey but worth it to me.
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Old Dec 1, 2008 | 01:44 PM
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Originally Posted by Z-RATED94
Bogarts, no grinding. Well I did grind the bumpstops a little. There a little pricey but worth it to me.
(to myself but it is my thread)

i've been looking to get some drag wheels but all i ever see is a bunch of complaining about backspacing. and sometimes the back fit but the front dont and vice versa. do you know what the backspace for the LT1 is front and rear?
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Old Dec 1, 2008 | 09:34 PM
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Originally Posted by C_Rules
(to myself but it is my thread)

i've been looking to get some drag wheels but all i ever see is a bunch of complaining about backspacing. and sometimes the back fit but the front dont and vice versa. do you know what the backspace for the LT1 is front and rear?
That's why I went with the Bogarts (RT welded). Forgot to mention though, their not for street driving. I do, but it's not recommended.
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Old Dec 2, 2008 | 10:40 AM
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Originally Posted by Z-RATED94
Over fill the trans by 1/2 a quart. Start out in D and once it goes into second gear put the shifter in OD for the 2-3 shift.
ok so can you explain this to the TA guys ive got a 96 and its just 1 2 3 D.

so what should i do to stop the long shift between the second and third gear?
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Old Dec 2, 2008 | 11:14 AM
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so are you saying you start in what would be my number 3, then before the 2-3 shift you put it into D?
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