When I rebuilt a SAAB V4 engine a few years ago I had it balanced
by a speed shop.  It cost ~$200 or so and was worth every penny.
I was able to take POUNDS off the flywheel and the engine ran smoother
than stock.  Without the extra flywheel weight it revved real nice.

Highly recommended for anyone considering a DIY rebuild.

 >     >Max undertook a complete rebuild of the engine, using a bottom end
 >     >fully balanced by MacDonald Race Engineering and incorporating a
 >     >heavy duty Melling oil pump. The cylinder heads were ported and

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Frank Terhaar-Yonkers	
High Performance Computing and Communications Research
MCNC
PO Box 12889	3021 Cornwallis Road
Research Triangle Park,  North Carolina  27709-2889
fty@mcnc.org   voice (919)248-1417   FAX (919)248-1455

http://www.mcnc.org/hpcc.html