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Old 02-25-2009, 04:44 PM   #1
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Question Need help with tuning my automatic shift points???

i bought a sf flash tuner for my 2000 ford focus zx3 2.0 zetec... Its pretty self explanitory but my car is shifting hard now.... is this normal??? it has some settings about shift pressure if im not mistaken but idk the optimal pressure??? can anybody help me??? and whats the best other settings to run .... spark timing ect???? thanks


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Old 02-25-2009, 07:27 PM   #2
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^^ Yes it is normal for it to shift harder. From what I understand I don't think anyone will tell you anything about the timing of spark. Your best bet is to buy someones tune. Tom will give a tune for 125 I believe. Maybe free updates as long as you stay n/a?
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Old 02-25-2009, 07:52 PM   #3
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Thanks man that helps me out.... should i mess with the shift pressure or no??? and it has a performance tune already programmed in i just want to make a couple adjustments, if i have to, to make it the best that this tuner can give me for right now then mybe later i can get a little better tune from tom ive heard on here his tunes are really good...
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Old 02-26-2009, 12:07 AM   #4
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go ahead and play with shift pressure. But dont go too firm, you can blow out your front oil seal. (learned this one the hard way a while back)

do not go ahead and play with spark and fuel, unless you know what you are doing.
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Old 02-26-2009, 07:34 PM   #5
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okay man thanks for your help ..... how much is the most it will take not trying to replace a front oil seal??....lol
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Old 02-26-2009, 07:43 PM   #6
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its hard to say because the x3/xcal2 makes changes in percent relative to the base tune. So if I told you I used to run 20% in 1-2, 20% 2-3 and 15% 3-4 it wouldnt mean a thing because my base tune was different from yours.

basically if it sounds like its hurting the trans, it probably is.

You should feel a nice firm tug during a shift, if it actually slams into the next gear then i say that is too much to run on the street.
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Old 02-26-2009, 07:45 PM   #7
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Yup. Find a happy medium and your trans friction devices will actually last longer with the increased pressures.
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Old 02-26-2009, 08:08 PM   #8
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well when i accelerate pretty hard it chirps second(squeals the tire when going into second).... so id say it is a firm tug lol ill try decrease some of the pressure between 1-2 that should do the trick because i looked at the tuner and it is reading my car with o% through all gears .....thanks for you alls help ill keep you posted im going to head out nd try decreaseing the pressure.....
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Old 02-26-2009, 08:12 PM   #9
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yeah when we were fine-tuning mine after the dyno I think I backed it off about 10% if it was chirping tires and it was good. then I moved it up 5% for autocross events
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Old 02-26-2009, 08:48 PM   #10
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Wait so it's safe to have the pressure up so much that the auto chirps going into second gear?
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