hi iam new to the site, i have just been to view an xr3i cab with escort rs turbo convertion the car starts straight up ticks over fine, then after 10min cuts out. then i tryed to start the car back up nothing!! battry totally dead put the boost pack on and it starts straight back up. after 10min same again, now the alternator has just been recond so not that, any body else no what it could be, thanks.