changing the shift points ? - Ford Mustang Forum
 
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post #1 of 4 (permalink) Old 12-28-2005 Thread Starter
 
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Question changing the shift points ?

Now i'm probably going to state the abvious, i just dont want to do something for nothing.
I have a 2004 3.9L automatic w/OD 13,500ml on it. with the tracion button off and OD on the car seems to lag when i floor the gas. I like to drive a bit hard from light to light to hear the flowmasters. but the rpm seem to shift late or long.
Now is it true if i disconnect the battery and then drive the car hard acouple of times it will addapt and respond the way i want it.
and if yes when i drive slow how will it affect it? will i screw up my transmission, i always keep the rpm less then the red line?

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post #2 of 4 (permalink) Old 12-28-2005
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Quote:
Originally Posted by Greekstang
Now i'm probably going to state the abvious, i just dont want to do something for nothing.
I have a 2004 3.9L automatic w/OD 13,500ml on it. with the tracion button off and OD on the car seems to lag when i floor the gas. I like to drive a bit hard from light to light to hear the flowmasters. but the rpm seem to shift late or long.
Now is it true if i disconnect the battery and then drive the car hard acouple of times it will addapt and respond the way i want it.
and if yes when i drive slow how will it affect it? will i screw up my transmission, i always keep the rpm less then the red line?
It will help a bit!

If you really want to alter the shift points in a big way, you need to pick up a chip/programmer.

It's virtually impossible to harm your tranny or engine because of the engine management software. The tranny is straght out of the GT, so you'll need to add 200+ hp before you'll start having to worry about the life of the transmission.


Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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post #3 of 4 (permalink) Old 12-28-2005 Thread Starter
 
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Thanks, what chip do you think is best? I looked at the kit offered by rpm...
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post #4 of 4 (permalink) Old 12-28-2005
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Quote:
Originally Posted by Greekstang
Thanks, what chip do you think is best? I looked at the kit offered by rpm...
you can get 'em wholesale on e-bay, unless they're sold out.

Woe to him who builds his palace by unrighteousness,his upper rooms by injustice,making his countrymen work for nothing...Does it make you a king to have more and more cedar?Did not your father have food and drink?He did what was right and just,so all went well with him. He defended the cause of the poor and needy,and so all went well...But your eyes and your heart are set only on dishonest gain,on shedding innocent blood and on oppression and extortion. Jer 22:13, 15-17
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