Just finished a 427 stroker (3.98) with edelbrock heads, hydraulic cam (230/234, .560/.565), roller rockers. How should I break in the engine prior to going all - out? I currently have 300 miles on it after changing the
oil / tightening the heads after 30 minutes. I have varied the rpm's up to 3500 until now. Anxious. Thanks for any advice!