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Old 19th January 2019, 04:11 PM   #509 (permalink)
bhp
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Join Date: Sep 2008
Cars owned: WRX Sti v5, Evo 8, GTR R35
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Quote:
Originally Posted by Jimbostir View Post
Any ideas what the difference between an 05U and a 24U block is to make the 24U stronger?


From what i have learnt after researching the different blocks is that the N1 (24U) blocks are cast from a superior material that has a higher nickel content compared to the standard block. In addition to using a superior material, N1 blocks are also said to have thicker cylinder walls and deck surfaces for improved power handling and durability at high power levels.
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