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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 09-23-2007, 11:20 PM   #11
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Did you read my last reply? A pulley isn't plug and play. And it could cost you your motor. Trust me.

Yes, there are shift kits.
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Old 09-24-2007, 02:50 AM   #12
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Quote:
Originally Posted by 94_SSEi
i can use my dads shop scan tool
Im having a late night blonde moment, but I assume this scanner can be used while the car is driving? You need one that can monitor the car while driving, under WOT, etc. Not just idling in a shop.

I think thats what you meant, but when you said shop scan tool I envisioned one of those big ol' things.
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Old 09-24-2007, 05:01 AM   #13
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Yes, Assuming your car is running with no KR, I'd be looking at a 2.5" SC pulley.

You can go with a trans built-in shift kit or a vacuum controlled setup. It goes where your stock cylinder style modulator is. You can adjust the screw to alternate the pressure.
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Old 09-24-2007, 09:20 AM   #14
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A vacuum modulator is not a shiftkit, and can't even come close to it'* performance.

A shift kit is entirely shop-installed. It is not DIY.
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Old 09-24-2007, 01:22 PM   #15
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willwren i have read your post i know its not plug and play and i have read the techinfo
where can i find a shift kit? which is the best one out there?
i know a few people at ETE (tranny and machineing shop)
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Old 09-24-2007, 01:26 PM   #16
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Transgo 4T60E Jr.
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Old 09-24-2007, 01:30 PM   #17
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i am thinking that i want to upgrade my tranny, is the 4t60e the best one for my car or is there a different stock version that is better?
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Old 09-24-2007, 01:32 PM   #18
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There are no transmissions that your PCM will understand other than that.

There is no reason to replace it with another anyway.

Properly beefed up, the 60Ehd can handle plenty of power. Over 300chp and 400ft/lbs on 2500rpm drag slick launches.
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Old 09-24-2007, 02:44 PM   #19
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do i have a hd or no
according to my rpo codes i have a 4t60e it didnt say hd
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Old 09-24-2007, 03:11 PM   #20
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Yes you do.

All L67'* have it. There are minor differences. Bottom line is that you have a 2.97 gear ratio with a stronger diff, and a reinforced output housing. Some other internals possibly as well. We don't know all the differences.

Not tagged as HD, but it is.
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