Posted by Garth Quapp on Monday, March 10, 2003 at 0:33AM :
In Reply to: 6 cyl 230 posted by james on Sunday, March 09, 2003 at 10:45PM :
If you have an air compressor. Put cylinder 3 or 4 to TDC of compression and blow in through the spark hole of the cylinder on TDC. If the air leaks into the adjacent cylinder you have a blown head gasket.