Jan 13, 2003 #1 C CLIFF New member Joined Nov 24, 2002 Messages 4 Location florida east coast Corvette 2003 black Zo6 can anyone tell me how to drain the block on my LT4?
Jan 14, 2003 #2 T tntcorvette Well-known member Joined Oct 21, 2002 Messages 604 Location Chicago, Il pull the knock sensor.and the t-stat housing along with proper LT4 procedure.
