AdamSindrey Posted November 25, 2006 Share Posted November 25, 2006 Not the same as the pistons in the other two TR7 engines I got...Head hasn't been skimmed. Quite a large gap between valves and head face. Larger than heads I've used before without problem...So, are they? Link to comment Share on other sites More sharing options...
Beans Posted November 26, 2006 Share Posted November 26, 2006 Sorry can't answer that directly as my spare parts are somewhat scattered ... ::)I have some low compression pistons lying around in Belgium. As soon as I get there I'll make some piccies for comparisson. (might take a few weeks) Link to comment Share on other sites More sharing options...
Nick Jones Posted November 26, 2006 Share Posted November 26, 2006 Adam,Like you, all pistons I have seen on 1850 Dolly and TR7 have been flat. Therefore those would seem to be low compression ones - probably US / export spec.Deeper head you describe could be part of the same thing or simply the first time you've seen one that hasn't been skimmed a few times.Nick Link to comment Share on other sites More sharing options...
Hasbeen Posted November 27, 2006 Share Posted November 27, 2006 On the TR Register Forum, there is a photo of a US injected TR7 piston, which has been attacked by a valve head.It looks the same as your piston. Link to comment Share on other sites More sharing options...
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