During the winter of 2004, the 97TA has had it's gears changed from the stock 2:73s to 3:42s,
had it's PCM adjusted for the gear change, firmer shifts and no top end limiter.
Sub-frame connectors were also installed.
Fall of 2005 were headers and SLP Loudmouth exhaust modification(s).
July of 2006 was a GM847 cam swap.
Fall of 2007 was the Yank SS3600 Torque Converter.
Fall of 2008 removed SLP Loudmouth and replaced with Flowmaster and e-cutout.
Spring of 2010 52mm Throttle Body and upgrade spark plug wires.
Fall of 2010 finally discovered the header exhaust leak being a split EGR tube. Removed whole EGR tube and installed blocked off plate.
"Rocker tapping" sound gone and block is idling smooth once again.