hi,any experts know about these things?have lc-1 and db gauge thing,reading the instuctions it says its possible to use it instead of standard lambda,but does it still use that gauge?maybe gauge of other output?is this ok to do with a 4x4 saph cossie with lambda as standard?also do i need to make a heat sink?probably think up more,lol,but thats it for just now,thanks col93saphcos