Did you skip these simple engine block preparation steps on your last performance engine build?
Once we have our engine block back from our engine machinist, there are a number of simple tasks we can do to help ensure our assembly process goes smoothly and adds a higher chance of reliability.
These steps include ensuring all threaded holes are free of dirt and debris ensuring we are not dealing with snapped bolts and studs before we even have things off the engine stand, cleaning up sharp edges and OEM casting flash. It's also worth improving the factory oil supply where possible remembering fluids and air are lazy, so you want to give them the easiest and most direct path for better efficiency.
Checking for shipping damage and making sure you paint your cast iron block are of course on the list here, and one thing we didn't discuss but is also strongly recommended is measuring everything to ensure your engine builder got it right. They want you to do this too as if for any reason there is a problem, it's easier and cheaper to address right now, and if there are no issues, you can carry on with confidence in knowing that.
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TIME STAMPS:
0:00 - Overlooked Yet Not Difficult
0:39 - What Is Block Preparation?
1:17 - Shipping Marks And Dents
1:41 - Threaded Hole Cleaning
2:33 - Using Taps
3:00 - Deburring Casting Flash
4:17 - Cleaning, NOT Polishing
4:32 - Oil Supply
4:52 - Machined Edge Cleaning
5:48 - Clean Debris
6:10 - Painting Cast Iron
6:25 Next Lesson & Myths
6:48 - BUILD.TUNE.DRIVE
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