Basically you have to learn about your stuff and what it can take and what it needs....your working on something fairly new.....I have no idea why you hurt some engines but you need to figure it out...
First engine, I do know, not our issue, well not 100%
Second engine, well that was a judgment call to run, not mine, I didnt like the pressure drop I had seen in the engine from Dyno , to my day of testing to the next day, old man said, Im running it anyway, and he came out of the water a bit "hot" like , spinning really fast.....so that one ? Who knows....
My first question is when the rod broke in your last engine, did it spin a bearing first? If it did that is what hapened first, so your failure was from a spun bearing. If it did what was the clearances when you put that one together...what were you using for oil, and oil pressure and engine rpm....
Clearances were .0026 to .0028 We did not build the bottom end, the ONLY Rods that are "accepted" are SCAT Like the $300 Scat I beams, they do have ARP bolts. But well.....
Nope, On 1 (#3) it appears the bolts broke which would also bear with it coming out freespun at over 8k.....ehhemmm....with "questionable" pressure ? , bearing shells are laying in pan. The other one , well the holes in the block arent big enough to see it
And the motor is still in the car.
You need to look at the failures and make changes.....
Loose is good tight is not....coatings won't stop a failure if your parts are scuffing or you lose pressure....
Oh I agree there, the only thing Im looking at those coatings to do is lenthen life a hair or against a temporary loss, like running from the pickup, but the accumulator should also take care of that, wear pattern on them by 1 - 2 percent would even be good.
I saw this engine apart after both breakin and after several dyno pulls, it couldnt have looked better, no unusual wear, all bearings looked actually better than I expected, very consistent.
That was done when I "signed off" on the bottom end.
BUT It looks as though there may have been other causes outside of that 1)Filtration flow issues 2)Acculator not , well accumulating, I have to look into the soelenoid, its POSSIBLE I was over , by a lot on oil and foaming it. Or.......Oiling is a known issue on this engine, the 5.7 Im going to run just like Doug Duell is, he well hasnt had these issues cant argue with Success
The "old man" said "When we tear this down were gonna see starvation:" I said, "Ok, but what if we dont ?" , His reply .... "Ill find something else to blame it on" .... as he smiled....