This may have nothing to do with this but I thought I would throw it out for comments anyway.
A good friend bought an EFI'ed, 300 straight six Ford work truck and from the day he bought it bitched about the ticking????
I swear I could never hear it!!!
Anyway, he said the Dealer said it was fuel hydro-shock caused by the EFI controlled gasoline hitting the end of the fuel rail and the noise caused by this being amplified to where it sounded like a tick!!
BTW, I have a problem with carbon build-up on pistons b/c to me the massive combustion chaos that takes place SHOULD keep everything clean or we would have what is it, 60,000,000 of the old engines doing the same thing!! Plus, both the gas AND the oil have a whole lot less ash creating stuff in them than way back when!!
Bent P/R's , have a problem with that too b/c I know GM is cheap, but not that quality unconscious, imho...
Rocking pistons due to short skirts, again, I can see narrow shirts, but not all that short of skirts, again due to longevity reasons.
Now the uplifted edges of the tulip shaped valves, I abosolutely don't know, but they have been ran in engines since I have been old enough to know what they look like with no problems that I know of..
AND don't forget the Vette didn't have an oil slosh problem until they started knocking rods outta the suckers in I think, the LT-5 motor, now did they???
Or the Vega motor not worth a sh-t!!!
As always, jmho... pdq67
PS., what I really don't understand is why GM didn't make an aluminum duplicate out of the tried AND true old motor after knowing that many cast-iron ones worked JUST FINE!! And I don't buy emissions, economy and power differences between the old motor and the new, not in this modern world!!!!!!!!
Ford cross-bolted the cranks on their 427 side-oiler and you can just drill the deck so that the LS-1's cathedral heads will fit b/c they both have the same bore spacing..
They just obsoleted the best motor in the world, again, imho...