Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 2m 19d Gender: Male Location: Perth Posted 14/08/15 05:57 AM Share Posted 14/08/15 05:57 AM A by product of the changes to the X4 security? Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 6m 15d Gender: Male Location: @ my laptop Posted 14/08/15 06:07 AM Share Posted 14/08/15 06:07 AM was trying to use a xcal3 Link to comment Share on other sites More sharing options...
rollex Member 683 Member For: 10y 6m 4d Gender: Male Location: Australia Posted 14/08/15 07:19 AM Author Share Posted 14/08/15 07:19 AM (edited) Just some history my car has been tuned many times so this may be the issuewhen I had bought it they had tuned it with HPT to increase boost.Heinrich tuned it with HPT againKPM then started from scratch with XCAL, I think they reflashed my ecu back to stock but they may have only reflashed the maps to stock and still had the PCM not "stock" if you know what I mean.Time will tell when HPT get back to me.Regarding tunign from scratch, would it be possible to start a new tune, spend a few hours getting there then revert to my XCAL to drive to work etc. Then the following weekend go back to my new tune and keep chipping away at it? This would be quite appealing as I could learn to tune but still revert to my current XCAL tune if it became too hard or I had issues.Thoughts?"return to stock" with XCALStart tuning with HPTSave HPT FileLoad "return to stock" hpt fileRe-marry XCAL and load my tuned XCAL tunedrive current xcal tune to work during the weekfollowing weekend return to stock again, load my partially tuned HPT file etcrinse and repeat until my tune is driveable ? Edited 14/08/15 07:20 AM by rollex Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 2m 19d Gender: Male Location: Perth Posted 14/08/15 07:22 AM Share Posted 14/08/15 07:22 AM Re step by step approach. Yes.You need to consider what you need to know about your current tune, without being able to view it. Think Injector values,Spark and Spark source,Fuel and Fuel source, Cam angle etc etc at the various engine load points. Then you can use these values as starting point for your tune.Then familiarise yourself with livelink.IMHO not seeing your current tune will be an advantage down the track as it will force you to learn. 1 Link to comment Share on other sites More sharing options...
rollex Member 683 Member For: 10y 6m 4d Gender: Male Location: Australia Posted 14/08/15 07:33 AM Author Share Posted 14/08/15 07:33 AM How much of that info can I find out via the scanner if HPT come back to me and say they can't decode my tune?Another question is is how good is the standard knock detection, will I be safe to tune the car without knock ears. Eg if I trend the knock values with the scanner will this be sufficient to see knock and also safe if I leave the standard knock retard enabled? Knock ears would be ultimate but unless I make some backyard ones they are pretty expensive. Link to comment Share on other sites More sharing options...
rollex Member 683 Member For: 10y 6m 4d Gender: Male Location: Australia Posted 14/08/15 11:43 PM Author Share Posted 14/08/15 11:43 PM Hpt said the osid has been scrambled most likely in an attempt to tuner lock the pcm so they won't be supporting it. Ill see if kpm are interested in unlocking it for me otherwise I guess this will be a good learning experience. Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 6m 15d Gender: Male Location: @ my laptop Posted 15/08/15 02:31 AM Share Posted 15/08/15 02:31 AM A sct tuner does not have the option of locking a tune at all Link to comment Share on other sites More sharing options...
Ralph Wiggum Moar Powar Babeh Lifetime Members 19,323 Member For: 19y 2m 19d Gender: Male Location: Perth Posted 15/08/15 02:38 AM Share Posted 15/08/15 02:38 AM I thought the big new from the SCT camp was all post April xcal 4''s has a new "feature" thar preventa the tunend being read from the pcm? Link to comment Share on other sites More sharing options...
ratter Member 6,793 Member For: 18y 6m 15d Gender: Male Location: @ my laptop Posted 15/08/15 02:41 AM Share Posted 15/08/15 02:41 AM not something that the tuner has any control over at all, we have never had the option whether to lock or leave a tune unlocked Link to comment Share on other sites More sharing options...
rollex Member 683 Member For: 10y 6m 4d Gender: Male Location: Australia Posted 15/08/15 04:33 AM Author Share Posted 15/08/15 04:33 AM Have you used the xcal 4 software? Just out of curiosity much better is it, can you rescale maps eg increase the resolution and change axis limits etc? This is why it would be nice to use the sct tune as they might have done this. Link to comment Share on other sites More sharing options...
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