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So what, exactly, keeps the turbo pressure of 6.2s at 10 psi??
The crankshafts in the 6.X were cast from the Detroit Diesel - journal surfaces were Nitrided or Tuftrided (surface hardened, but I don't recall which process was used). You can polish a 6.X crank, but cannot cut it, or you'll ruin the surface hardening treatment... The cranks can break, but it... -
So what, exactly, keeps the turbo pressure of 6.2s at 10 psi??
The newer design 6.5 used in HMMWV and marine applications have a separate lower main 'bedplate' to add strength to the bottom end. This seems to help... another thing that will help it survive is... STOP USING A 6.X engine to pull loads greater than it was designed to pull... 'Tanner' -
So what, exactly, keeps the turbo pressure of 6.2s at 10 psi??
Pfffttt.... keep a 6.X NA long enough & you'll crack the main web... or the sides of the block. We were junking roughly 85% of the 6.X blocks at (unnamed quality engine remanufacturing company) & ended up using new block castings in the remans... 'Tanner