IW STi Forum banner
1-2 of 2 Results
  1. 2.5 Liter/Litre Factory Motor
    Hello everyone hoping I could get some help with my sti. So after having vehicle tuned and finally having a set up I'm good with I just started having issues with misfires at warm up idle and it wont idle normally it keeps haunting. Rpms range from 900ish to 1200ish and keeps bouncing only when...
  2. Built Motor Discussion
    2016 sti New Iag magnum closed deck short block w/14mm arp headstuds Oem heads decked/ported/polished gsc s2 cams 272/272, beehive springs and titanium retainers, stock/oem valves not changed but valve lash (head work done at a mashine shop) Iag Rails Iag tgv deletes Iag Comp aos Iag phenolic...
1-2 of 2 Results