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Topic # 21506 29-Apr-2008 13:44
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I have a technical question thats not that technical - but yet it has auto electricians stumped as none of them agree with each other. I have even tried calling the manufacturers but nobody is answering their phones just now. I need to get a definative answer so I can make a booking to get one installed, but that all depends on the true answer to my question.

ALL I want to know is, with a turbo timer what happens in this hypothetical scenario:

Turbo timer is set to 5 minutes. key is removed while I leave car to drop off a parcel.
I come back 1 minute later, re-insert the key and turn it back to "on/run".

Will doing that cancel the timer so I could drive off no problems, OR as some auto elecs say - will the timer continue to operate and 4 minutes later the motor will konk out while I'm busy driving?

I would have assumed the former case to be true as that must happen often?

http://www.globalnet.co.nz/turbotimer.htm

This is the basic timer I am looking at getting, everywhere seems to sell them, but where I live its really either that or a "pencil" style repco one.

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  Reply # 127052 29-Apr-2008 14:19
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Comradehunt:
ALL I want to know is, with a turbo timer what happens in this hypothetical scenario:

Turbo timer is set to 5 minutes. key is removed while I leave car to drop off a parcel.
I come back 1 minute later, re-insert the key and turn it back to "on/run".


Depends on the turbo timer, some (most?) will automatically cancel, others will continue to count down, but when they reach zero, the car will continue to run.

Comradehunt:
Will doing that cancel the timer so I could drive off no problems, OR as some auto elecs say - will the timer continue to operate and 4 minutes later the motor will konk out while I'm busy driving?


Don't get it installed by these auto electricians....

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  Reply # 127062 29-Apr-2008 14:42
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I agree with dolsen - don't use an auto-electrician, go to a turbo specialist.

The turbo timer should be installed as a logical 'AND', i.e. the ignition should be off AND the turbo timer should click to off in order to stop the engine.  Otherwise it will reset when the countdown reaches zero, and go back to normal operation.  Certainly that's how my turbo timer was setup when I had a turbo vehicle; and every in every other turbo vehicle I've driven.

 
 
 
 




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  Reply # 127064 29-Apr-2008 15:00
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I just asked a friend of mine (out of town) who is a car accessory installer, and he agrees - timer will continue to countdown internally, but will not cut ignition once it reaches 0 as the key is on the run position.

Also it would be a 4 hour + drive to get to a turbo specialist - and my car is not turbo anyway.

And to answer the question I am going to be asked next - Why? Because I am a contract courier, and I would suspect that turning a car on/off literally every 2-5 minutes for 8 hours/day is not good for starter motor/battery - plus very unsafe to leave car running with keys in it - so a turbo timer seems logical solution to allow motor to run and be able to lock car.

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  Reply # 127072 29-Apr-2008 15:24
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Have owned a couple of hairdryers, and if properly installed, you hop back in, insert key, turn it back to "ignition" and happily drive away.

If you forget to turn the key all the way to ignition/on (ie. where they normally is while driving), your engine will cut out (very bad, have done this several times LOL).

If your Auto Electrician seems unsure, or gives you a different story, leave. Quickly.

Find a turbo specialist as mentioned above.




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  Reply # 127075 29-Apr-2008 15:26
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Comradehunt: I am a contract courier, and I would suspect that turning a car on/off literally every 2-5 minutes for 8 hours/day is not good for starter motor/battery - plus very unsafe to leave car running with keys in it - so a turbo timer seems logical solution to allow motor to run and be able to lock car.

Why not have a remote central lock, that doesn't activate an alarm? Leave your key in and engine running. Remote would be on a dog clip onto your belt loop.

Click once when you leave, and once to get back in.




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  Reply # 127079 29-Apr-2008 15:29
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To be honest, turbo timers are actually not needed, if they were...they would come standard, like brakes etc! Provided you don't thrash your vehicle then you should be ok, even driving the last km or so will cool the turbo down enough not to cause damage to the unit. Turbos of the early 80's were very unreliable and unpredictable, this isn't the case now so as long as you keep the cars well serviced, save yourself the few hundred bucks.



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  Reply # 127110 29-Apr-2008 16:49
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tonyhughes:
Why not have a remote central lock, that doesn't activate an alarm? Leave your key in and engine running. Remote would be on a dog clip onto your belt loop.

Click once when you leave, and once to get back in.


My car has a few funny features (safety ones) that none of my previous cars have had. The first one is the key cannot be removed from the ignition unless its in park (automatic), it will not come out even in neutral. Also, it will not lock doors with keys still in the ignition, eg pressing lock button OR using spare key to lock from outside, it gives the feeling of locking, but upon trying either of the doors they remain unlocked. So that kinda stuffs up my (and yours) previous ideas.

And as for keyless entry - my remote is on the key. My remote is an IR type, so can I get a cheap replacement learning remote for it, or is the only way to get one is to go to the dealer and fork out $400 (as they quoted me for replacement keyless entry remote thingy)?

Thanks Tony.



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  Reply # 127112 29-Apr-2008 16:57
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tonyhughes: Have owned a couple of hairdryers, and if properly installed, you hop back in, insert key, turn it back to "ignition" and happily drive away..


Yes thats exactly what I want.

tonyhughes: If you forget to turn the key all the way to ignition/on (ie. where they normally is while driving), your engine will cut out (very bad, have done this several times LOL)..


This is not what I want! Cry It would be very embarrasing!

tonyhughes: If your Auto Electrician seems unsure, or gives you a different story, leave. Quickly..


Haha! Thats what I've spent most of my time doing today! Sad really, its not like turbo timers are new or anything, I mean surely one would expect an auto electrician to have some product knowledge??

But I did finally find one locally that knew a bit about them, and knew straight away what I was talking about, and said he has a 3 wire version that does not cause issues when "restarting" like the 4 wire versions can. So tomorrow at 12 its going in and hopefully it will be all happy.

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  Reply # 127116 29-Apr-2008 17:15
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Great. There is nothing you can do that I am aware of to guard against driving away without putting your key onto "on" - if you only get to "accessory", your engine (and power steering etc) WILL cease to function. So you do need to be careful to always turn the key back on and/or cancel the turbo timer before you drive away (so if you didnt put the key in the right position, engine will cut out while parked instead of while driving).

So still a little attention required. After all, the device is designed to bypass the manufacturers requirement for a key in the barrel and in the correct position.




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  Reply # 127136 29-Apr-2008 18:11
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Madmax77: To be honest, turbo timers are actually not needed, if they were...they would come standard,

No this is not the case, allowing the turbo time to spin down is essential, the turbo spindle "floats" on a thin film of oil up to 20000RPM if the turbo is still spinning when the engine is turned off and the engine is also hot the shaft can vaporise the oil film and then the metal shaft comes with the housing & that is bad news. As for car manufcturers well.. $$$$ I have seen Suzuki not paint inside the petrol flap as cost savings, ABS could be considered esential yet often is an option. Also there are Car security sytems (AVS) that have turbo timers built in, ie turn car off, exit the car lock and arm with one button, timer runs for preset time, at the end shuts off and engine immobilied. Mongoose also do one. IMO the best option is a very old design that does not require the engine to run, the oil feed tube to the turbo timer is re routed to a oil filter/reseviour mounted above the engine, when the engine is running oil feeds through the device and fills it, when the engine is turned off the oil is gravity fed to the turbo allowing clean cool oil to continue to lubricate the turbo

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  Reply # 127188 29-Apr-2008 22:24
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PenultimateHop: I agree with dolsen - don't use an auto-electrician, go to a turbo specialist.



Actually, I was meaning, don't go to the auto electrician who said that the engine will die when the turbo timer  runs out, as they obviously don't know what they are talking about, or, how to install it properly.

Normally, the turbo timer just keeps the "on" wire supplied from an unswitched power supply, keeping the engine running via a relay. This is sort of in parallel with the normal wires, and wouldn't stop the car from running if wired correctly.

The better ones also have a hand brake wire, which kills the engine if the handbrake is released. This would avoid any problems where you don't put the key to the correct on position as the engine would die as you drive off, as opposed to 3/4/5 minutes later. I'd recommend getting this done if possible.

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