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Are Jspec s5 13bt shortblocks and US Spec s5 13bt shortblocks interchangeable?

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Old 01-31-08, 02:45 AM
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Are Jspec s5 13bt shortblocks and US Spec s5 13bt shortblocks interchangeable?
Just like the title says ... my engine is blown and it may just be cheaper to buy a rebuilt engine and drop it in. Are jspec and usdm shortblocks for an s5 13bt interchangeable?
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Old 01-31-08, 02:50 AM
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just the housings and the irons? yes.... 85% sure
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Old 01-31-08, 05:18 AM
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The shortblocks are identical.
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Old 01-31-08, 05:25 AM
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No difference at all. The thing to keep in mind is that a J-spec is just a used engine from japan, nothing special about it, and it should be rebuilt prior to installation anyway.
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