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Old 11-07-2012, 08:55 PM
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Always remove the bolts with the engine cold and not hot helps to prevent breaking bolts and spray is always a good idea...
Old 12-16-2012, 05:27 PM
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stock manifolds are like a 4 into one shorty header not the log type
Old 12-16-2012, 05:48 PM
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Originally Posted by Onetogofast
Always remove the bolts with the engine cold and not hot helps to prevent breaking bolts and spray is always a good idea...
Not so true. I always fire the vehicle up for a few min's The aluminum in the head will heat at a faster rate then the steel bolts. Then you give them a slight punch on the head, they will come out. Never had a broke bolt doing it that way.
Old 12-16-2012, 07:28 PM
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A good read on the subject of headers...

GM Performance Parts LS1 Engine Header and Manifold Test - Car Craft Magazine
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