S srz Member Joined Jan 18, 2007 Aug 29, 2009 #1 Are these sensors essentially the same? I'm just trying to figure out if I can use the factory GM knock sensor in place of the FAST as I haven't purchased one yet. Thanks in advance! Silas,
Are these sensors essentially the same? I'm just trying to figure out if I can use the factory GM knock sensor in place of the FAST as I haven't purchased one yet. Thanks in advance! Silas,
