Hi Andrew , those Block drains are Easy to pull , make sure you pull each side out , WHILE you are flushing everything . Poke a screwdriver & twist , and get all the Dex-Kool , green , Factory Orange and every other coolant that has NOT been Flushed in ages , Out . Ronnie
Hi Andrew , those Block drains are Easy to pull , make sure you pull each side out , WHILE you are flushing everything . Poke a screwdriver & twist , and get all the Dex-Kool , green , Factory Orange and every other coolant that has NOT been Flushed in ages , Out . 
Ronnie