Yh id be the jay matey.. Dave offered cheapest powder coating at the time. Sumps still yellow after these years. What compression test you on about bro?
Sounds bad dude.. If you need a hand drop me a line fella.. Touch wood I been lucky with mine so far this year.. 6 track days and no problems. . Apart from old bill, but that's another story.haha
I'm forged stock head.. Td05 18g hit full boost 1.5bar by 4200. Starts coming in hard at 3750 rpms I do have omex a standalone ecu and a good map.. Both a map and boost controller help with reducing lag