LS3 block questions

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05-02-2010, 09:43 PM

kllrvet

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LS3 block questions

I destroyed the block in my Z06. Im pretty broke, so I am trying to redo it on the cheap, and keep it reliable.

Can a LS3 block be safely bored to 4.125? Are the sleeves long enough for a 4 inch stroke?

Thanks
Tony

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05-02-2010, 10:18 PM

Whistler

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No, and yes. 4.100 can be done on some of the blocks depending on how straight the factory put the sleeves in.

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05-03-2010, 07:58 AM

kllrvet

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Sounds too close to use it

Tony

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05-03-2010, 08:27 AM

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Do a 4.080 x 4.00 and get yourself a 418 I have and am very impressed.

cheers

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05-03-2010, 11:38 AM

AES Racing

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6.2 block, sleeve alignment can be an issue on them, i'd stick to 4.080, anything over that for clean up only.

pic by KCS

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