Guys,
Sorry to come in late on this post - but the TR6 block will take 2.7 litres
easily! I'm currently running 2.7l with Mazda pistons - there are a few
specialist Triumph shops out here that carry out the work and stock 2.7l
head gaskets. The Mazda pistons are sourced from their E2000 series light
truck (I think) but require a little work - I'm running Teflon plugs for the
gudgeons instead of circlips and the block needs to be decked about 20 thou
to maintain correct compression and piston height. As a precautionary
measure though, I did have the machine shop offset bore the cylinders a
little to increase wall thickness.
All the best,
John Mc
'71 TR 6 PI
'76 Dolomite 1850
"Fast is First"
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