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Extended bore question

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Post  peganit2 June 30th 2011, 11:40 am

How are the bores extended on the later D9 blocks? Is the whole lower wall lowered, or are the bores extended below the wall, into the crankcase, like the 302 was?

peganit2

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Post  Lem Evans June 30th 2011, 11:52 am

They are not extended like the sbf.

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Post  peganit2 June 30th 2011, 10:17 pm

Thanks Lem. Hope I wasn't too obscure for the total novices.

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Post  peganit2 June 30th 2011, 10:19 pm

Brings up another Question. How much can you relieve a D9 block for stroker clearance before running into water?

I have a D9 block, FWIW.

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Post  Lem Evans July 1st 2011, 9:03 am

You don't have to relieve the block........just put up to a 4.5" crank and a steel rod.

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Post  peganit2 July 1st 2011, 1:49 pm

Lem Evans wrote:You don't have to relieve the block........just put up to a 4.5" crank and a steel rod.

Is that all?!?
Wink

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