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Mods, can we make a sticky of this, then move it to the archives for all to access?
Feel free to add to this list, or disagree IF you have first hand knowledge of more than one motor having problems with suggested practices/parts..
Things like-

Use a 6.1 oil pump instead of a stock 5.7. The 5.7 is marginal, as noted by spun bearings on many used motors.

I agree with that. 6.1 timing set is better too.

Bleed the heads to make sure there is coolant in them before fireup.

Bleed it with the coolant cap. Let it get to about temp and crack the cap every 30 seconds until no more air comes out.

6.1 pushrods are .050(?) longer than 5.7 pushrods

Correct. Most aftermarket cams are ground on a 6.1 core, so use 6.1 pushrods.

5.7 stock motors have limited valve to piston clearance (how little? duration?)

About 219/223 is the most you will need and will fit.

Do not use a cross drilled crank for a high rpm build.

No reason to use anything but a stock 6.1 crank.

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