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700 raptor trans question

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Old Jul 4, 2005 | 11:24 PM
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Default 700 raptor trans question

I did a search and saw someone say not to shift to 4th WOT in a 700 auto trans. I have a level 3 raptor in the vette i just bought and i want to make sure i'm not on my way to destroying a transmission.

Am i supposed to floor it through the 1-2-3 shifts and then let off, shift to 4th and then floor it again to keep gaining speed?

Yes, i'm a newbie at this transmission stuff. I'm not used to shifting automatics and i can't say i'm to fond of it.
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Old Jul 5, 2005 | 04:33 AM
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i have a presumably stock (with a shift kit) 700R4 in my 84...and i keep the pedal to the wood the entire run till she ain't got none left...it shifts hard and crisp and i put this sucker through a ton of abuse...still runs great after about 40k of service...
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Old Jul 5, 2005 | 10:50 AM
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I was told that the 3-4 shift is VERY tough on the tranny if you have some power behind it. If your car is stock, I doubt it is bad enough though..
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Old Jul 5, 2005 | 01:39 PM
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Originally Posted by MrNuke
I was told that the 3-4 shift is VERY tough on the tranny if you have some power behind it. If your car is stock, I doubt it is bad enough though..
Actually a vette is the only car in which you CAN go to 4th at WOT. The standard 700R4 has a valve that prevents that shift at WOT. There is a 'corvette only' part that allows it to happen.

If it is an issue of having too much power, I wonder why they add a part to the tranny to let a vette do it, but keep all of the other vehicles (with the 700R4) from shifting.
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Old Jul 5, 2005 | 05:05 PM
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That's usually something that you don't want to do with ANY 700r4 tranny (with lots of torque).

why don't you talk to transmissioncenter about it???
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