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Old 01-21-2011, 07:12 PM
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Vortec 454 Swap Info

I was wondering: Does a 1998 454 Chevy have the same bell housing and motor mount pattern? Does somebody make a carburated intake manifold for a 454 vortec?


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Old 01-21-2011, 07:26 PM
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Mounts and bellhousing pattern are the same as MarkIV. Carbureted intakes from early style engines will bolt up. There is a port mismatch. But if you use the early gasket it all works..
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