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Old 01-15-2010, 10:59 AM   #1
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09-10 PCM in 08

I realized at the last sec i posted this in teh wrong section before so im reposting it here... i think this is whrer its meant to be:::::
_____________________________________________

Would it work? or would I have to go about doing alot more than just switching them out.. This would be for an ATX

I know the 2009-2010 have a final drive gear in the trannys but I dont knwo abt them so, i dont know if it's a physical gear or if it's something else. Like if I put teh 09-10 PCM in and got to where it would hit the final drive, like would my trans try to shift into a gear that isnt there and mess my crap up?

Thanks for any info =)


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Old 01-15-2010, 01:24 PM   #2
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The automatic transmission the Focus comes with always had the same number of gears; 4 forward, 1 reverse. What they did in 2009 was change the final drive ratio from 3.73:1 to 4.20:1. Its a physically different gear, but it was always there, so the transmission won't shift into an imaginary gear. But it might complain when the output shaft is spinning at a different speed than its expecting.

I haven't heard anyone swapping out ECUs, but knowing Ford, there is always some small bugger that causes a problem. It should be a straight swap (well, plus new keys for the PATS), but in reality it isn't always.

It sounds like an expensive solution to squeeze out a little more acceleration.
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Old 01-15-2010, 01:36 PM   #3
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Quote:
Originally Posted by Egz View Post
The automatic transmission the Focus comes with always had the same number of gears; 4 forward, 1 reverse. What they did in 2009 was change the final drive ratio from 3.73:1 to 4.20:1. Its a physically different gear, but it was always there, so the transmission won't shift into an imaginary gear. But it might complain when the output shaft is spinning at a different speed than its expecting.

I haven't heard anyone swapping out ECUs, but knowing Ford, there is always some small bugger that causes a problem. It should be a straight swap (well, plus new keys for the PATS), but in reality it isn't always.

It sounds like an expensive solution to squeeze out a little more acceleration.
Expensive is a bad word for me heh but ya thats what I wanted to know =) Thanks



I would give you rep but it's telling me i cant give rep on this post =(
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Old 01-15-2010, 02:34 PM   #4
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The 2010 uses a completely different processor than the 08-09. This is why we are unable to flash the 2010 right now.
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Old 01-15-2010, 04:24 PM   #5
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^ it just makes me wanna cry......
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Old 01-15-2010, 04:38 PM   #6
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Hey man, I had to wait over a year for 2009 to be cracked.. Have patience :P
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Old 01-15-2010, 07:37 PM   #7
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^^^ x2
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Old 01-21-2010, 10:24 PM   #8
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Quote:
Originally Posted by Egz View Post
The automatic transmission the Focus comes with always had the same number of gears; 4 forward, 1 reverse. What they did in 2009 was change the final drive ratio from 3.73:1 to 4.20:1. Its a physically different gear, but it was always there, so the transmission won't shift into an imaginary gear. But it might complain when the output shaft is spinning at a different speed than its expecting.

I haven't heard anyone swapping out ECUs, but knowing Ford, there is always some small bugger that causes a problem. It should be a straight swap (well, plus new keys for the PATS), but in reality it isn't always.

It sounds like an expensive solution to squeeze out a little more acceleration.
You don't need new keys when you get a new PCM. Just the old ones need RE-programmed.
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Old 02-11-2010, 11:14 PM   #9
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you WILL have communication faults on the networks because the vin will not match(givin its a used pcm) and to program a pcm you would have to inhale data FROM the old pcm OR you need as-built data installed which uses your vin number to program the same data that the inhale would do
this swap will be a pain in the ass and likely that it wont work or work correcly


my honest opinion would be leave it alone. plus your looking at warrenty issues.... it will take a dealer to install it you CAN NOT just swap one in....
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Old 02-11-2010, 11:27 PM   #10
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Quote:
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You don't need new keys when you get a new PCM. Just the old ones need RE-programmed.
your wrong about that to an extent, only needs a parameter reset... anyways... lol
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