M moe New Member Joined Mar 31, 2002 May 5, 2002 #1 just made adjustable wastegate .stock 87gn also installed new boost gage. currently 14psi
S slow 87 Member Joined May 24, 2001 May 5, 2002 #2 14-15psi is as high as you want to go unless running race gas or alky.
B blackbuick87 Senior Member Joined Mar 11, 2002 May 5, 2002 #3 Do not even bucge that wastegate without a scan tool to measure knock retard. That should be your next investment
Do not even bucge that wastegate without a scan tool to measure knock retard. That should be your next investment