hey one of my mates is running a haltec in his stagea and never a problem with it .he just getss in and drives it all day everyday .if i could have my time i would of bought one insted of power f/c but hey each to there own i guess . uniqe autos tuned his in sydney his was running a shift kitted auto but now we changed it to manual and still runs well and is good on fuel to go with it .his had other engine mods to but has 260awk if any of that info helps