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Old 02-12-2009, 09:33 PM   #36
turboecho2005
 
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Drives: 2005 Toyota Echo
Join Date: Oct 2008
Location: Ottawa, Ontario
Posts: 177
The 1NZ (and 1ZZ and 2ZZ for that matter) have far to big of a stroke.... you need a more square bore and stroke.

destroke the 1NZ with custom rods and pistons and offset grind on the crank and shave a bit of the top of the block off ;)

Then you can make some serious power but you'll also lose a bit of displacement. But well worth it for the performance gain. But not worth it in the wallet.
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