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This is a normal post But why did it explode?
Why was fuel where it shouldn't be and how did it ignite?
 (I helped save b3ta! brb homonecrobatrachophile, Thu 12 Nov 2020, 16:39, , Reply)
This is a normal post Extreme overheating can cause components to fail or even melt.
I'd like to strip the engine to see the damage, the only real way to know.
 (I helped save b3ta! FeralCatMan Unusual disease collector., Thu 12 Nov 2020, 17:10, , Reply)
This is a normal post I'm assuming either too much boost or someone not giving nitrous the respect it deserves.
My guess is nitrous. The cylinder head must have lost its seal or come loose entirely under the pressure. As for the flames, they're dramatic but there isn't a great deal of fuel burning. Probably just what was left in the lines after everything shook itself apart.
 (I helped save b3ta! jonbob loves you, Thu 12 Nov 2020, 17:12, , Reply)
This is a normal post Because your mum sat on it

(I helped save b3ta! Fadgebadger (1 like), Thu 12 Nov 2020, 18:21, , Reply)
This is a normal post Looks like bad/overenthusiastic injection.
With diesel, some strategies, like using fuel to charge cool, can lead to spectacular results (as in KABOUM) if taken over the tipping point.
 (smellysamlyingcable Seaman on, Thu 12 Nov 2020, 18:28, , Reply)
This is a normal post it 'dieselled'
diesels don't have spark plugs - the pressure in the cylinder is sufficient to cause ignition.

if under stress, like say a high state of tune, or due to wear, (for example the piston rings wearing) the engine oil in the sump, finds it's way into the pistons and being remarkably similar to diesel oil... it runs on it's own oil, which isn't regulated like the diesel fuel... so it runs away with itself

or 'diesels'
 (driverchris, Thu 12 Nov 2020, 20:13, , Reply)
This is a normal post Here’s a longer version
youtube.com/watch?v=TS9j3TKsmIU

At first I thought that it was the dyno blowing the smoke, but now I’m not so sure.
 (I helped save b3ta! jonbob loves you, Thu 12 Nov 2020, 20:28, , Reply)
This is a normal post Looks like oil burning rather than diesel.
Explains why it increased over time.
I've only seen petrol engines dieselling, for different reasons.
 (I helped save b3ta! FeralCatMan Unusual disease collector., Thu 12 Nov 2020, 21:07, , Reply)
This is a normal post It's really fun when it happens to a stationary diesel with a broken turbo
Your only hope is to either stuff something in the air intake and run away, or to apply whatever brakes they are... and run away.
 (I helped save b3ta! jonbob loves you, Thu 12 Nov 2020, 22:20, , Reply)
This is a normal post Like this truck
youtu.be/SrwMcHT_lnk
 (I helped save b3ta! FeralCatMan Unusual disease collector., Thu 12 Nov 2020, 22:39, , Reply)