Differences between 5.9 and 6.7 engines

Smoking S

Smoking S

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Nov 23, 2006
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Are the blocks the same? Crank Journals? Possible to put a 6.7 crank in a 5.9 block or do you have to use the 6.7 crank and block?
 
It is possible and it is useless.

I did the math and it was only a 0.2 liter gain. Not woth the cost of custom pistons.
 
It will bolt up, there are some issues such as dowels should be placed in the 6.7 block to help with location.
 
roachie said:
It is possible and it is useless.

I did the math and it was only a 0.2 liter gain. Not woth the cost of custom pistons.
Click to expand...

If your running a 12V head your gonna have custom pistons anyway.
 
He was talking a 6.7 crank in a 5.9 block.

In theory you could run stock 12v pistons and custom rods. Way too much money for 20ci IMO.
 
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