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Triumph TR6 - Pistoin Composition

Little activity so here's a question for the knowledgeable few...are the stock pistions in the TR6 engine, steel or aluminum? Looked about and could not find the answer.
db
Doug Baker

Aluminium alloy! (Aluminum to us Yanks)
Rod Nichols

Thanks Rod, for some reason, for an old tractor engine, I had the impression that they were cast steel. Appreciate you clearing that up.
db
Doug Baker

Are they magnetic?
DON KELLY

Well that was a dumb question.


Will a magnet stick to them?
DON KELLY

Don't know Don. I'll try next time I'm at the shop!@
db
Doug Baker

When you can use a stopwatch in place of a tachometer, the weight of the reciprocating mass is not an issue. Beside Cast iron is great for maintaining shape dimensionally.

However, with a high reving engine (relatively speaking) reciprocating weight is an issue and therefore would like to keep it down within the constraints, cost of course being a significant constraint.
Leonard G Middleton

This thread was discussed between 16/03/2009 and 19/03/2009

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