Originally Posted by allansmith859
How do I do a leak down test??? What about puttin these heads on this engine if everythings good?? (14101083)
Leak down test is a air hose in the spark plug that pushes air into the cylinder at tdc and will let you hear if the air is leaking form crank case or intake or exhuast. Not really as useful if the heads are already off you can see any major issues.