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V8 Crank case explosion - what's the damage?

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Re: V8 Crank case explosion - what's the damage? #16
ingoldsb Terry Ingoldsby Calgary, AB, Canada Sign in to contact 1971 MG MGB	Apr 8, 2024 10:24 AM Top Contributor Joined 22 years ago 22,385 Posts

Quote: Loss of hearing for 4 day

I'd completely missed that - but Bruce is right. Do the science. Suppose the 20 PSI shock wave I guessed at earlier. What is the area of your ear drum? (No idea - I'm not a doctor). If we guess at 1/4 sq inch then the force on it was 5 pounds. That's a lot of force for a thin diaphragm. I worry that you broke your ear drums!

Terry Ingoldsby
terry.ingoldsby@DCExperts.com

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Re: V8 Crank case explosion - what's the damage? #17
Baggy2 Jeremy Judd Pulborough, UK Sign in to contact	Topic Creator (OP) Apr 9, 2024 04:33 AM Joined 6 years ago 7 Posts

Thanks for your concern guys. The 'event' was a couple of weeks ago now. The deafness was just in one ear - the ear nearest the engine - and I'm back to normal now. I do feel lucky that I didn't get the crank case breather in my face / head / eye - that could have been serious. On the other hand my family say 'It's the way he would have wanted to go!'

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Re: V8 Crank case explosion - what's the damage? #18
glcaines Gary Caines Hiawassee, GA, USA Sign in to contact 1968 Triumph MC Bonneville 1975 Norton Commando	Apr 9, 2024 05:48 PM Joined 8 years ago 40 Posts

I once saw a guy spray a lot of ether into the intake of a diesel engine. Unfortunately, the diesel had glow plugs. You know what happened next when he tried starting.

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Re: V8 Crank case explosion - what's the damage? #19
Jim Blackwood * BlownMGB-V8 Gunpowder Rd, Florence, KY, USA Sign in to contact	Apr 10, 2024 08:55 AM Top Contributor Joined 19 years ago 9,565 Posts

My brother Dan blew the lifter valley cover off my supercharged 215 Olds engine, the custom oil fill cap bounced off the hood and was never seen again (Vaporized? Why not? ;-) )

On disassembly no explosion related damage was found in the engine.

Jim

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Re: V8 Crank case explosion - what's the damage? #20
Factor Steve Williams Clayton, NC, USA Sign in to contact 1964 MG MGB MkI	Apr 10, 2024 10:13 AM Top Contributor Joined 4 years ago 346 Posts

In reply to # 4783243 by Jim Blackwood the custom oil fill cap bounced off the hood and was never seen again

Probably in low orbit now.

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Re: V8 Crank case explosion - what's the damage? #21
tampaguy Jack Shea Elgin, OR, USA Sign in to contact 1967 MG MGB GT Special	Apr 10, 2024 11:38 AM Top Contributor Joined 12 years ago 6,712 Posts

When you lift the hood on my John Deere diesel tractor the first thing you see is a giant DO Not Use Starting Fluid sign.

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