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| altedxr6 |
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Also, another engine question.
the 3.9 block and the 4.0 blocks Ranging from EA - EL ... any different in between them? .. The pistons in the 3.9 look about the same size as the 4.0 blocks. Do the 4.0 blocks have a bigger stroke or anything? ... or is the difference so small you can't even notice a difference .... ? Antony. |
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| Andrew J |
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from memory theyre actually the same volume, but they renamed it a larger engine to show that it was actually different.but yeah, im not entirely sure. The head volumes might be different, but that would mean a lower compression
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| voxace |
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The 4.0L has a slightly larger bore.
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| tdog |
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Andrew J wrote: from memory theyre actually the same volume, but they renamed it a larger engine to show that it was actually different.but yeah, im not entirely sure. The head volumes might be different, but that would mean a lower compression
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| madmax |
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Bore is slightly differant, EA 91.86mm, EL 92.25mm. Stroke is the same at 99.31mm
Capacity differance was only about 35cc. Personnally I think ford increased it, so they could market it as a 4.0L against Holden's 3.8L
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| Disco Frank |
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the au blocks have the integrated sump for the bottom end so u get basically 6 bolt mains and a f**k strong a** bottom end great for turbos............
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| nannas_ed |
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au2low wrote: Also, another engine question.
the 3.9 block and the 4.0 blocks Ranging from EA - EL ... any different in between them? .. The pistons in the 3.9 look about the same size as the 4.0 blocks. Do the 4.0 blocks have a bigger stroke or anything? ... or is the difference so small you can't even notice a difference .... ? Antony. the 4.0ltr eb-ed used the same block as the ea's but they have been bored out. On my ed it's got 3.9 stamped onto it
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