Turbo Timer

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Dec 19, 2003 | 03:03 PM

jaysfirewrx

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Turbo Timer

I know this is probably a weird question, but I now turbo timers allow the engine to run and allow the turbo to spool down in rpm with taking the key out. But is there a gauge or sensor that actually reads turbo rpms to allow you to safely cut your engine off? Just something doesnt sit with me right about leaving my car running while I'm not IN it, I know there is a ground wire to your parking brake, but anyone can still find a way to bypass this. Just food for thought...

Dec 19, 2003 | 06:13 PM

oldmansan

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From: Southern California

Car Info: 2016 Z51 C7, 2007 Exige S, 2008 ZX-10R, 2016 Taco

Wrong forum,

but the timer isn't there to let the turbo "spin down", but to cool the oil that lubricates the bearing or shaft. If the turbo is really hot, the oil can "coke" (burn). Most of our turbos are water cooled too, so supposedly you don't need a timer. Personally, I use a timer and think it's a good idea to let the turbo and the valvetrain cool down some. Some timers determine the amount of cool down they deem necessary.

San

Dec 19, 2003 | 06:26 PM

jaysfirewrx

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thanks

Dec 19, 2003 | 07:14 PM

wasabi

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my tt will go according to the air/fuel ratio to determine how long to run the car... although it isn't accurate in the reading, it's alright. normally i just manually set the amount of minutes i want it to run.

Dec 19, 2003 | 10:09 PM

jaysfirewrx

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So is everyone saying I should just get a tt and go away and let the car decide when to turn itself off? Or should I go by what the factory says and just wait 30 seconds before turning it off?

Dec 19, 2003 | 10:15 PM

DaveWRX

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Joined: Dec 2002

Posts: 2,980

From: Cali

Car Info: Pilot & Prius.

Quote:

Originally posted by jaysfirewrx
So is everyone saying I should just get a tt and go away and let the car decide when to turn itself off? Or should I go by what the factory says and just wait 30 seconds before turning it off?

Just get a TT and realize a lot of people have em and stop worrying about it. Search will get you tons of prior posts about this. Im sure its been asked 100 times as usual...