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Old 03-01-2004, 05:52 PM   #1
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Default shift kit?

does anyone make a shift kit for a 94 bonneville ssei? if so can you tell me who and a website maybe?
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Old 03-01-2004, 06:57 PM   #2
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I'm pretty sure they don't. Ask Jeff 10x2
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Old 03-01-2004, 07:00 PM   #3
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I know you can get some custom work done on the 4t60HD. Doesn't DP sell a performance trans of that model?
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Old 03-01-2004, 07:03 PM   #4
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They sell a bullet proof model yes.
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Old 03-01-2004, 08:18 PM   #5
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There is an inline deal that firms up shifts and quickens them, also Jet Chips change the shift program.
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Old 03-02-2004, 09:01 AM   #6
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don't drive in overdrive
don't know just *how* similar the 4T is simliar to the 4L as far as basic valve body design, but when you put the shifter in lower gears, there'* a little valve (manual shaft valve) that sends fluid to a pressure plate, which in turn tells the tranny how much line pressure to give.

what does it do?

well, the lower the gear you have selected, the more pressure it'* going to force into the tranny - giving you harder and crisper shifts.

of course, a shift kit would be nice. or if you were really daring, you could pull apart your own tranny and do a little ginding on the valve body spacer plate (Again, assuming the internals are similar enough to the 4L).

man, i'* gotta get a class on the 4T - i always wanna talk about it, but i always have to say - "if it'* similar to the ..."

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Old 03-02-2004, 01:00 PM   #7
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oh, and getting rid of those pesky accumulator springs will firm things up too...

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Old 03-02-2004, 08:18 PM   #8
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that sucks serious ********. thanks for the help
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Old 03-03-2004, 12:06 PM   #9
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fwiw, i was completely serious about removing those springs (but only the accumulator springs - the other ones are kinda important )

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