Re: Retorque Heads
When I did the top end on my Harley last year the book called for an initial torque of like 20 lb-ft and then tighten 90 degrees or a quarter turn. Given so many variables I'm surprised this method has not been cross referenced to older cars. I know some newer cars have studs or bolts that once stretched are considered unusable. I have a hard time wrapping my head around this as so many bolts and studs have been reused so many times for so many years without incident. It seems the goal is to maintain a given pressure uniformly across the gasket surface.
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