I found 2 different head tightening torque,so which one is correct: 96-120 or 216-240 in lbs.
S Sepi Recruit Joined Dec 8, 2018 Messages 2 Dec 8, 2018 #1 I found 2 different head tightening torque,so which one is correct: 96-120 or 216-240 in lbs.
gm280 Supreme Mariner Joined Jun 26, 2011 Messages 14,591 Dec 8, 2018 #2 Welcome aboard Sepi :welcome:. Where did you read the two torque specs from? And were they both for your exact engine?
Welcome aboard Sepi :welcome:. Where did you read the two torque specs from? And were they both for your exact engine?
R racerone Supreme Mariner Joined Dec 28, 2013 Messages 36,274 Dec 9, 2018 #3 Just finished a 1963 18 hp.-------Exact same parts / bolts.-----Will check the book later today.
F F_R Supreme Mariner Joined Jul 7, 2006 Messages 28,195 Dec 9, 2018 #4 To the best of my knowledge, 96-120 in lbs is the correct numbers
R racerone Supreme Mariner Joined Dec 28, 2013 Messages 36,274 Dec 9, 2018 #5 Go with the 120 inch lbs
