>All,
>
>I'm interested to know if the distances between crankshaft journals are
>different for the Rover 3.5 block, the 3.9 block, and the 4.2 block. Any
>help will be appreciated.
>
>Also, does anyone have piston height above gudgeon pin specs for the
>above mentioned blocks? TIA.
>
>Tom
>88 RR
4/13/99
Tom,
The distance in question is definitely the same for the Rover 3.5,
Buick Special, and Olds F-85. It seems very unlikely to me that it would
be any different for the Rover 3.9, Buick 300, Buick 340, and Buick 350.
This guess is based on the proven possibility of using the cranks from any
1 of these in any of the others. The Rover 4.2 is not a known quantity to
me. I'm sure somebody else will fill in that part of the puzzle.
Compression height on the Buick Special and Olds F-85 is 1.880" It
is hard to imagine it being significantly different on the Rover 3.5, 3.9,
or 4.2 Obsiously the piston dish volumes would vary according to
displacement and original compression ratio.
Part of the reason I am offering this less-than-complete answer is
that I am interested in the answers also, especially compression height and
dish volume on a 3.9 How about it everyone? This information must be
collated out there somewhere.
Regards, Dave Kernberger
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