Apr 3, 2017 #1 I ikle Active Member Joined Dec 18, 2009 Messages 1,004 Anyone know the oil drain plug size to a stock 87 GN Thanks
Apr 3, 2017 #2 G gusszgs Active Member Joined Dec 9, 2007 Messages 833 Pretty sure it's 15mm if memory serves
Apr 3, 2017 #3 Anthony P sharing knowledge with those who care to listen Joined Jan 24, 2007 Messages 1,268 1/2 x 20 x 7/8 hex head is 9/16 from the engine assembly diagrams and parts store lookup
Apr 4, 2017 #5 B Bruce Urie The Ventures,CCR forever! Joined Dec 30, 2006 Messages 3,254 You've been pretty helpful here, Anthony.....nice job. Bruce '87 Grand National
Apr 4, 2017 #6 SS/GN Well-Known Member Joined Jun 30, 2005 Messages 2,886 Do yourself a favour and get one with a magnet.
Apr 4, 2017 #7 E earlbrown runs with scissors Joined May 26, 2001 Messages 7,539 ^ Yep. ESP if you're running a non stock timing set. The afros from the magnet are funky fresh