alex2012

hi guys got a small turbo cossie converted to bigturbo with all spanking parts its running l8 with 803s 3 bar map grp a coil big intercooler stage 3 chip and 071s holding about 25psi she has developed a missfire on idle when hot and also aftter driving for couple of miles giving her hard time starts to refuse to boost and bogs down then backfires like its blew a hose off will drive perfect off boost if you leave her to cool for a while then will boost again and slowly detiriates until it refuses to boost again any ides ??