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| falcon_3512003 |
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ok got speedo corecting device working but now when you plant you foot it hits the rev limeter and wont change gear to you back your foot off and thats leaving it in drive not shifting throu the gears man but dose same thing wen man shifting to anyone had this prob and what to do to get it changing rite ?
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| Steady ED |
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You've modified the speedo signal to the ECU as well.
Out of interest, where have you tapped into the speedo signal?
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| falcon_3512003 |
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at the cluster
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| falcon_3512003 |
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bump
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| Steady ED |
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You'll have to get it reading the 'wrong speed' (what the speedo was reading before you corrected it) at the ECU.
So another speedo correction unit unless someone else has any other ideas? To explain how it works, the autos shift on speed not RPM. So, as an example, it plans to shift from 1st to 2nd at 80km/h under WOT. If you change diff gears and don't change the sender gear, or change the signal to the ECU, it shifts fine. Because it's still seeing the same output shaft/tailshaft speed at the box. You may only be doing an ACTUAL 60km/h when the speedo shows 80, but the ECU doesnt know that. So if you go to shorter gears, like you have, and change the signal to the ECU, it is still wanting to wait till 80km/h before it shifts, but it'll never get there obviously.
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| prydey |
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whats happening is the ecu is not being fooled or being fooled too much and the shift points in the trans are up the creek. the shift points go on the speedo not the tacho and are controlled by the ecu.
i didn't have this trouble with mine as its an early eb. if you disconnect the corrector does it sort itself out? if so then its something to do with how the corrector is wired in. sorry i can't be of more help. don't really know what i'm on about.
_________________ eb v8: low loud and fast. just how a v8 should be. i guess the big question is, is it fast enough... |
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| falcon_3512003 |
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mmm i see what you mean stedy ed now what to do no one told me this would hapen only reson i got it is because i got the 4.11 in now the speed limeter cuts at 180 but in real cause of my gears its only 120 way not enough speed for the quater or to do anything else
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| Steady ED |
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I was under the impression the signal went Sender > ECU > Dash, gogetta corrected me, and obviously by how you've got it wired up he's right.
So, the signal goes sender > dash > ecu. I've never played with the speedo correctors, but the only way I can see is to get two, one before the dash to make the speedo right, then one after the dash to make it wrong again. There could be another way, but I don't know it 
Hope all that helps a bit mate.
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| falcon_3512003 |
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year looks like 2 maby is the go but id like to her from anyone else thats had this prob and maby anotherway around it b4 i got get another one tomorow need to sort this out be for the nats this weekend
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| gogetta |
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i have thought about this and im not surprised its happening now....
as the ecu receives the speed signal from the dash...the dash receives it from the sender.... ive heard many people claim it the other way but it goes SENDER->DASH->ECU (check the wiring diag) ecu is programmed to change at a set speed....of course your hitting the limiter as the ecu is waiting to reach a certain speed before shifting... you maybe able to run the sender straight to the ecu and splice the correct into that and then run the output to the dash....dont know if this will work as the dash may cleanup or alter the sender signal in someway...but u could try it OR buy another corrector and run 2
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| falcon_3512003 |
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i been thinking about this 2nd unit to and came up with if i do that its only going to put me back were i was insted of geting a true 180ks limet the ecu will cut me out at around 120 cause it thinks its telling the truth again so i think maby a i mite have to get a xr6 ecu with another unit to get over this speed limet prob what yous think?
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| gogetta |
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no it will work well with 2 convertors but you will still have the 180 limit
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| Steady ED |
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Yes, you are going to need an XR ECU to get rid of the limiter.
If you want the auto shifting right, you are going to f**k the limiter up, and vice versa.
_________________ ED XR8 Sprint - S-Trim, V500, 249rwkw |
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| 66 coupe |
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Speed limiter removal module: http://shiftkits.com.au/speedlimiter.aspx
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| gogetta |
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66 coupe, could u explain the basis of how it works....
if it just sends an altered signal to the ecu then wont it also muck up the shift points?
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