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**The Rocknrod** · 02-10-2019, 08:31 AM

I seem to remember small blocks also have a drain plug in the block water jackets, lower sides of the blocks.

02-10-2019, 08:31 AM	#13
The Rocknrod Moderator Join Date: Aug 2011 Location: China Spring, TX Posts: 7,280	Re: Cooling System Flush Advice Needed I seem to remember small blocks also have a drain plug in the block water jackets, lower sides of the blocks. __________________ Master Chief, US Navy, Retired 1964 C10 Step-side Short Bed - In Progress 2009 2500HD Duramax LTZ 1948 GMC Panel 1956 Big Window Stepside 1953 5 Window Chevy Stepside 1932 Coupe New Seat Foam for Bench Seats?