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MY FIANCE AND I HAVE A 78 280Z AND I WANT MORE POWER I WENT THROUGH A WRECKING YARD AND FOUND AN 83 MAXIMA DIESEL CRANK AND FOUND A SET OF 71 AND 73 240Z RODS I FOUND THAT THE 73'S HAVE 9MM ROD BOLTS. SO I KNOW TO GET THOSE BUT WHAT I DON'T KNOW IS WHERE TO GET PISTONS OF WITCH ONES IF I CAN USED MY DISHED OR IF I NEED TO GET FLAT TOPS, AND WHAT COMPRESSION RATIOS. THE CRANK AND RODS HAVE BEEN CHECKED OUT AND SEEM TO BE GOOD IS 75.OO A GOOD PRICE? ANOTHER QUESTION IS I FOUND A FOUR BARREL MANIFOLD WITH CARBURATOR ARE THESE ANY GOOD? I PREFER TO KEEP THE INJECTION SO I CAN INSTALL A TURBO LATER WHAT IS THE COMPRESSION RATIO ON THE 3.1 I HAVE BOOKS BUT NONE OF THEM COVER THE 3.1 MOTOR. CAN ANY ONE HELP ME?
ME
 

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The pistons are from the 240SX. Ther is a great write up on the 3.1 at the IZCC, which is at zhome.com
Hoe this helps.
Anthony
 
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