The early engines had very thin bolts (necked down) and a lower torque
setting.
Perhaps an alloy change allowed for the bigger bolts, fewer bolts and more
torque.

The housings don't shrink in an over heat. They crush themselves trying to
get longer
and end up shorter and fatter than stock.

Lynn E. Hanover

That was what I was trying to say Lynn :) We are in total agreement for 
a change :)

Paul Lamar

 
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