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Sure you can, but make sure that your head gasket when you torque your heads down allow for needed clearance in the squish or quench area or your pistons might rock and hit your heads. Plus, it allows for some minor rod stretch at high rpm.
Don't forget to check combustion chamber to piston dome clearances too. I think you can use a closed chamber domed piston with an open chambered head but not the other way around. pdq67
 

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James,
I came back to say that a zero deck height is not a factory number. You will probably have to mock up you engine with its main bearings and crank installed. Then install the four corner pistons, bearings and rods without rings. Then use something to measure your piston deck height.
Take these numbers and your block to your favorite machine shop and have them zero deck it by removing the amount of deck metal equal to these individual measurements. When this is done the block will be zero decked and also square (or equal) at all four corners.
I mention this because a lota times blocks have high and low corners due to the factory's tooling being off just a "scosh" or the block wasn't seasoned or allowed to normalize prior to machining.
I've read somewhere that I think Cadillac used to age their blocks outside for a year in the weather as raw castings before they ever started machining them to combat problems like this. pdq67
 

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To reiterate what pdq says, to run zero deck, you must ensure all block specs are checked. Decked if requried etc. I'd run the gasket that compresses to .039. Piston to valve must be checked, etc.

[This message has been edited by 427TRI (edited 09-26-2000).]
 
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