[ROVERNET - UK] Big bore blocks-was head compatability

Kent Kinard kkinard at swbell.net
Mon Feb 20 04:43:25 GMT 2006

Robert Thornton wrote:

> What's the difference between investing in a new / used 3.9 or 4.0
> block? They use the same bore, same liners. 

I don't think it makes much difference, but the the 3.9 and 4.0 use 
different liners.  The big advantage to the 4.0 is the stronger bottom 
end and better rod angularity.

Kent K.

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