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| fordzatmyplace |
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What would happen if I fitted a ECU calibrated for a 3.08 diff into a car with a 3.23 diff, would this make the shifts happen higher or lower in the rev range?
I can't work it out 
_________________ ^^^ What He Said
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| 66 coupe |
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If your ecu is for a 3.08 diff and you put it in a car with a 3.23 diff, the shifts will occur at higher rpm than they would with a 3.23 ecu.
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| andrewts |
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I'd vote for higher as well.
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| Disco Frank |
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nothign would happen at all!! shifts would be the same!!!
the ecu gets one of many signals from the spedo sender unless u change the spedo sender gear to a 3.23 gear the shifts will be the same!
_________________ RIP SCOTT |
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| Steady ED |
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Car with 3.08 diff, 3.08 sender and 3.08 ECU shifts 1st to 2nd at 80km/h indicated (none of this is anywhere near exact, its random exampleness).
Car with 3.23 diff, 3.08 sender and 3.08 ECU STILL shifts at an INDICATED 80km/h, actual speed being 70km/h Car with 3.23 diff, 3.08 sender and 3.32 ECU, will shift at an INDICATED 70km/h, actual speed being 60. EDIT: just noticed you are going the other way, 3.08 ECU into car with 3.23 diff... I should read posts... same principals apply sorta, I'll put that example in there 
car with 3.23 diff, 3.23 sender, and 3.08 ecu, will shift at an INDICATED 80km/h, actual speed, 80kmh
much too late for the 3.23 diff!!!
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| bowsaw |
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Franks spot on, and its a useful post, no whoring lol.
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| Disco Frank |
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bowsaw wrote: Franks spot on, and its a useful post, no whoring lol.
thanks neil
_________________ RIP SCOTT |
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| smiley235 |
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basically, if you put your foot to the floor, it will hit the limiter.
_________________ 178.3 rwkw
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| Mitch_ |
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Posts: 6168 Joined: 5th Nov 2004 |
Steady ED wrote: car with 3.23 diff, 3.23 sender, and 3.08 ecu, will shift at an INDICATED 80km/h, actual speed, 80kmh
much too late for the 3.23 diff!!! thats where my 'mont used to change...3.23 ECU, 3.23 Diff and 3.23 Sender. now it changes at like 40/50 tho...something to do with the extra gear...and third pedal
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| twr7cx |
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Just to confirm, I had no issue driving around with a Tickford ECU (3.45 diff ratio) in the wagon which is factory fitted with something lower...
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