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> Engine displacement options
Harpo
post Oct 19 2011, 05:12 PM
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Good evening everyone,

With an engine rebuild in the near furure I want to explore my options about larger displacement. If stock 2.0 rods + 94mm pistons = 2.0L . Then what size pistons would I need for a 2.2L or a 2.4L.

Thanks

David
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HAM Inc
post Oct 20 2011, 06:26 PM
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IMO after 2.5l the O.E. T4 head is incapable of supporting the engine efficiently if it will be asked to make power over 5,000. Aside from the structural integrity issues that arise with large exhaust valves, it is not possible to get a large enough ex. pipe through the pushrod tubes.

Switching to a T1 style head opens up a lot of options for large displacement T4's.

IMO the 2270 is the perfect size for a large displacement T4.

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