Blown head gaskets? NEVER change a gasket without resurfacing (machining) the heads. Proper preparation is critical to ensure the gasket does not prematurely fail
I do recommend having a professional Machine Shop do this service if theres any doubt in your mind.
As a EX machinist of 7 years, I am showing you a hack that can save money, and more importantly, time.
If you had a composite gasket, and are upgrading to a MLS - Multi Layer Steel-, skipping this is NOT AN OPTION.
Blocks generally stay straight, however I do recommend theroughly cleaning them with a boxcutter/razor blade at the bare minimum. If you have a straight edge, check it with a feeler gauge.
At .003" (3 thousandths) or more, check with your local machine shop/ Haynes/Chilton Repair manual, but block machining very well might be needed.
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8 сен 2024