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Interchange on 350 - 403???

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Old February 8th, 2008, 10:53 PM
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Interchange on 350 - 403???
Will headers, intake, heads off 403 work on 350????
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Old February 9th, 2008, 03:14 AM
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Yes.

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Old February 10th, 2008, 08:33 PM
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It'll all fit, although the 403 heads are held down with 1/2" bolts, compared to the 7/16" for the other SBO engines. As a footnote of sorts, you'll lose some compression by putting 403 heads (bigger combustion chambers) on a 350.

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