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Head comparison - Eclat/Esprit - Engine & Ancilliaries/Gearbox - The Lotus Forums #ForTheOwners Jump to content


Head comparison - Eclat/Esprit


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They are different, but how different depends on whether you compare like for like (in terms of age/year). Assuming you compare them of the same age, then it's the water connections to think about. The Eclat has the engine quite close to the bulkhead, so the water connections have to avoid that, whereas the same place in the Esprit is pretty much empty space.

Edited by andydclements
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Thanks very much for this information, greatly appreciated.   Would you know that if the location of the water connections was not an issue (ie: using the engine in something other than the lotus) would the physical and  internal head configuration be the same (like for like as noted) as well as the bolt pattern?    Thanks.

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In all practical sense, it's the same head as they are the same casting, they just routed water differently. Over time though there were other changes,  such as changed waterflow due to no4 not getting enough coolant on earlier ones.

Edited by andydclements
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