break-in period?

[spdracer@mail.utexas.edu]

> I'm putting a BB DET engine in my NX2000, and I've
> swapped the main, crank and rod bearings.   I'm
> also installing a brand-new Bully Clutch (www.bullyclutch.com).
> Is there a break-in period required?

I don't think the bearings need any break-in.  Usually, with a new motor,
you're breaking in the piston rings.  The clutch will definitely need a break-
in period though.  I'd go easy for at least 500 miles of city driving on the
clutch.  It'd be a good idea to get the flywheel resurfaced too.

Khiem