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Aluminum Heads on 500+ horsepower engines

1484 Views 1 Reply 2 Participants Last post by  madingo, 
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I need to know if there is a difference in torque specs. with aluminum heads on high horsepower 500 to 900 hp engines.
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M
If there is, tha head manufacturer will tell you-most engine builders have a bit of experience by the time they build 2-3hp/ci motors, and already have their methods on that one-retorquing the haeds after the heat cycle is most important there.
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