I have a 440 that was rebuild and driven maybe 1500 miles. It had a stock rebuild, valve job, hyd cam, 30 over cast pistons, yada yada. I had it in a car and pulled it to put a 340 in. It has been sitting in the garage for 3-4 years. I never drained the oil or backed off the valve train in this time. I have ocassionally pulled the engine over. What should I plan on doing before I run this again? I am mainly concerned about sludge or rust. Thanks, Jon