drew@pixar.com wrote:
>
> Thanks for the info Henry. Not that I know what the bore size
> on my engine is but I wonder if your's is 87 mm and might that
> not cause a slightly higher compression reading than say an
> 83 mm engine? More swept volume being compressed into the
> same combustion chamber and such.
My engine has a TCF prefix for the engine number, so it is basically a
TR4 spec engine. I think it has 86mm pistons, I wasn't really thinking
about it when I had the head off, or I would have measured. The specs on
the stock engine give it 9.0:1 compression ratio, while the TR3A engine
has a CR of 9.1:1.
> Also, do you know if you were getting any coolant into the
> #4 cyninder? I seem to remember something about the steam or
> cooling effect of the coolant loosening up carbon or something.
Oh yeah, I was getting coolant into my #4 cylinder big time, and it did
clean the carbon out!
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Henry Frye E-mail - thefryes@iconn.net
TR3B TCF1927 L http://www.iconn.net/thefryes/
TR250 CD8096 L A Little Town In
TR250 CD1074 L Connecticut, USA
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