v8landyman
Active Member
Correct, doubt it would have any effect on the runaway either. The only really safe and certain way to stop a runaway is to fit a butterfly valve in the air intake system, downstream of the intercooler close to the manifold would be good if there is room.
Jongould
New Member
The only way I can think off to save the engine is to fit an engine bay CO2 extinguisher plumbed straight into the intake triggered via a remote trigger system, this would suffocate the engine and stop a run away. It doesn't matter how big an extinguisher you keep inside as I doubt very much anyone here would have the bottle to approach a full runaway engine, it not like someone going flat out, the engine will go beyond the limiter, there will be masses of smoke and most times there are internal parts of the engine trying to become external parts, if you have experienced it before then you will know what I mean...
But, if your worried about a runaway then fix your bloody engine! You can have a small amount of oil being in the intake, that doesn't hurt anything, its large amounts i.e. a seal gone or most likely the turbo is ****ing oil out. Fix it before its an issue and you will never need to worry about a runaway engine, a smoky start up or running is a sure fire sign your engines going that way...
But, if your worried about a runaway then fix your bloody engine! You can have a small amount of oil being in the intake, that doesn't hurt anything, its large amounts i.e. a seal gone or most likely the turbo is ****ing oil out. Fix it before its an issue and you will never need to worry about a runaway engine, a smoky start up or running is a sure fire sign your engines going that way...
Jongould
New Member
That would get sucked in pretty easily or torn to shreds if you managed to hold it, wouldn't work basically, the engine would be sucking harder than the local TOWIE wannabes...
Yes... not that i have any fear of my engine running away... it's just common sense.
If your engine is knackered to the potential that it would run away then chances are your air intake is not 100% sealed and a butterfly valve would just cause a fault elsewhere in the air intake and not block it. I wouldn't class it as "the only really safe and certain way" that's for sure
Anyway... what commission are you on for selling this butterfly valves?
v8landyman
Active Member
No commission mate I have never contacted that company or have any idea what they cost. I don't suppose they will be cheap as they are clearly a properly designed piece of kit - probably outlast your engine if you fitted one.
If it was fitted between intercooler and inlet manifold and you renewed that hose at the same time then so long as the manifold gasket was sound, leaks anywhere else would make no difference.
I only put this thread up because I was thinking about what I would manage to achieve in those few panic seconds you would have after a runaway started and concluded that pulling a knob or pressing a button on the dash would be about my limit.
Jongould
New Member
I think your letting your runaway fear... err... runaway 
. Its not as big an issue as you think and there is plenty of time to diagnose potential issues, as I said before you will be getting a smoky start up and running before a runaway happens (unless you get a catastrophic failure but then that can happen to any engine component)
. Its not as big an issue as you think and there is plenty of time to diagnose potential issues, as I said before you will be getting a smoky start up and running before a runaway happens (unless you get a catastrophic failure but then that can happen to any engine component)
What about welding gas? Fire extinguishers? Camping gaz? Propane? I use all of them, carry them regularly and have never been told it's illegal to do so> I think you're wrong ..
Fair enough, thing is the kind of people who'd buy this are the kind to maintain their vehicle and are unlikely to suffer a run away. So, maybe a good idea (and hadn't realised how close to the engine it was) but, seems a bit ott. As you say, probably won't be cheap either
Jongould
New Member
Actually all compressed canisters need to be carried with an external warning sign and your insurance company needs to be notified, extinguishers are excluded for this as is any small (below 500g) canisters I believe. If you carry propane or any other gas you also need to inform authorities before going through tunnels...
It's a rule that is not often enforced however, I have known insurance claims denied for carrying compressed gas though!
