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720 l20b swap


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August 2019 I bought my 1980 nissian datsun 720. It sat in a field in new mexico for about 10 to 15 years. I am trying to find either a l20b engine block in case mine is bad ( i am getting ready to pull the engine) or find out how difficult or easy a i6 swap would be. i apppericate all any and all help. 


I'm not sure if the engine block itself is any good. when i pulled the head off there was water in second cylinder and the fourth. 

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You mean an L6 six cylinder 280z or zx engine? Yeah that's not going to work. The sensible thing is a newer 4 cylinder that does fit and is lighter and more powerful.



Find out if the block just needs to be over bored and new pistons and rings put in, making it a new engine. You would likely have to do this with another block anyway.

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