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what is a 408

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Old 05-06-2008, 02:19 AM
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i was just wondering how i make a 408 and what kind of horsepower can u expect out of them...........also is there anyway to swap my 5.3 for a 6.0 with out buying a new computer for it and also how hard is it????
Old 05-06-2008, 02:22 AM
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Originally Posted by michaelpayne1985
i was just wondering how i make a 408 and what kind of horsepower can u expect out of them...........also is there anyway to swap my 5.3 for a 6.0 with out buying a new computer for it and also how hard is it????
a 408 is a 6.0L with a 4 inch stroker crank and a .030 over bore
Old 05-06-2008, 02:44 AM
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If you do the 5.3 to 6.0 swap you won't need to change your computer=PCM you will just need to get a tune for it. Use the search function in the forum and you will find the answer to your question.
Old 05-06-2008, 06:54 AM
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amount of HP varies on a few factors that weren't mentioned.
N/A or F/I?
Compression Ratio?
Bolt ons?
Old 05-06-2008, 07:20 AM
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michaelpayne1985,

Don't cross post threads. Only post in the correct sections (e.g. Forced Induction is not where you ask how to build a 408).
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