Another sad case of ignorance being pushed as fact - engine ruined by biodiesel.

Buddy, as Troopy says, let us know the following:
1) what the exact damages are.
2) let us know where he bought the fuel or if he made it himself.
3) If he made it himself was it quality fully converted clean fuel.
4) How many miles had the engine done on (a) dinodiesel and (b) on biodiesel.
5) Was the fuel 100% Bd or was it blended - what percentage blend.
6) What was your "friend" doing when the engine was "ruined".

Lets get the facts then decide what damaged the engine.

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Slippery
Small steps taken one at a time.