hey guys n gals i have recently stroked my 304 to a 355 and done a little more work to it it has been put back in my ute now it seems i have no spark i have a crane cams spark amplifier and coil wich are getting power basically what i wanna know is it possible for the haltech to be blank now after sitting for so long without power would i need to get it remapped or should there be a basic map in there regardless??? cheers