Fischer89 New Member 21 Member For: 6y 7m 7d Posted 05/12/17 06:11 AM Share Posted 05/12/17 06:11 AM I bought my fg turbo ute already tuned with sct but for some reason the previous owner kept the X4 even though it's of no use to him. I've got a brand new blank one here and also just ordered the HPT package. Some people are saying I can and some are saying I can't write over the sct tune with hpt.. What's the best option??? Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,287 Member For: 16y 8d Gender: Male Location: Melbourne Posted 05/12/17 06:33 AM Share Posted 05/12/17 06:33 AM did he flash the car back to stock with the x4? if he didn't, get him to do that, either way. Link to comment Share on other sites More sharing options...
Fischer89 New Member 21 Member For: 6y 7m 7d Posted 05/12/17 06:41 AM Author Share Posted 05/12/17 06:41 AM Nope that's the thing. Car is currently tuned to 397rwkw and I can't get in contact with the guy to get the X4. Was supposed to go on the dyno this week but isn't looking good Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,287 Member For: 16y 8d Gender: Male Location: Melbourne Posted 05/12/17 06:49 AM Share Posted 05/12/17 06:49 AM OK, he can't use that X4 for another car, in it's current state... if he doesn't flash your car back to stock and you get it tuned with your blank X4, then your car will not have a stock tune to go back to at any point, the current tune will be your "stock tune" on the X4. I'm not even sure that your blank X4 will work with the current setup as it might not be able to "unlock" the ECU as necessary for flashing, but I can't see why this wouldn't work. With regard to HPT, you don't use the X4 at all and HPT can suck out and replace the current sct tune, as far as I know. Link to comment Share on other sites More sharing options...
Rab WOT? Moderating Team 10,980 Member For: 11y 1m 23d Gender: Male Location: Frankston, 3199 Posted 05/12/17 06:49 AM Share Posted 05/12/17 06:49 AM Give your tuner a call in the morning and ask the options he has to rectify - sorry, I've got no idea what happens in the case of a lost XCal Do you know which tuner the car was previously tuned at? Them "may" have an option that a new tuner wouldn't? May need to go to Ford and have a stock tune loaded? Link to comment Share on other sites More sharing options...
Fischer89 New Member 21 Member For: 6y 7m 7d Posted 05/12/17 06:52 AM Author Share Posted 05/12/17 06:52 AM Myself and the tuner want to use hpt.. My tuner said he has heard of people writing over an sct tune with hpt but doesn't want to risk bricking the ecu Previously tuned at Real Dyno about 12 months ago.. I'm just getting mixed responses from various tuners.. Some say I must take it to ford to get a stock tune flashed onto it then towed to their workshop and others have said hpt can write over the sct tunes Link to comment Share on other sites More sharing options...
Rab WOT? Moderating Team 10,980 Member For: 11y 1m 23d Gender: Male Location: Frankston, 3199 Posted 05/12/17 07:00 AM Share Posted 05/12/17 07:00 AM Back to Ford for a "firmware update" may be the safest in the end - not sure on cost though and would probably require a tow there and back I'd be knocking on the door of the bloke who sold you the car - would turn his useless SCT into something he could flip for a few hundred Link to comment Share on other sites More sharing options...
Fischer89 New Member 21 Member For: 6y 7m 7d Posted 05/12/17 07:04 AM Author Share Posted 05/12/17 07:04 AM Thanks for all the help, looks like I'll be taking it to ford for a stock reflash then towed to the workshop for a fresh tune Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,287 Member For: 16y 8d Gender: Male Location: Melbourne Posted 05/12/17 07:06 AM Share Posted 05/12/17 07:06 AM if the tuner prefers HPT but doesn't know for sure about what it does to current SCT tunes, I'd be looking elsewhere for a tuner... but that's just my opinion 1 Link to comment Share on other sites More sharing options...
Fischer89 New Member 21 Member For: 6y 7m 7d Posted 05/12/17 07:09 AM Author Share Posted 05/12/17 07:09 AM Is it possible to suck the current tune using hpt then after ford reflash I should be able to use hpt to write the current tune back into the vehicle? 1 Link to comment Share on other sites More sharing options...
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