Turning off the Z

venus · 09-14-2013, 08:50 AM

With turbos 10+ years ago there was shut down protocol. Can’t remember the specifics tho as I never had one.

bvl · 09-14-2013, 09:17 AM

Quote:

Originally Posted by venus

With turbos 10+ years ago there was shut down protocol. Can’t remember the specifics tho as I never had one.

More like 20+

There is no practical reason anymore for turbo timers and such in the street. No one uses only oil cooled turbos only anyone. They all have water cooling as well.

Even if run "hard" a gravity fed coolant line designs allow some additional circulation around the center bearings when shut down.

- b

N1atmax · 09-14-2013, 04:41 PM

I have owned two RX-7s. One of them would always flood. When it was below about 50 degrees out and if I drove it less than 5 min after being cold soaked it would flood. Rotarys have the spark plugs on the lower side of the engine and the plugs are flush with the housing. As stated these V6 engines are like comparing apples and oranges.

PapoZalsa · 09-14-2013, 08:11 PM

Quote:

Originally Posted by venus

With turbos 10+ years ago there was shut down protocol. Can’t remember the specifics tho as I never had one.

1- Idled down to allow the turbo to spool down and even out the temperature in the turbo. The engine needs to be running to circulate the oil and coolant if you shut the engine down without idling the engine down it can burn the oil or coolant and in many cases both which will cause carbon blockages in the oil feed and coolant feed and hamper lubrication leading to catastrophic turbo failure.

2- Get a Turbo Timer, so the bearings in the Turbo don't seize (Refer to #1).

Mt Tam I am · 09-15-2013, 10:18 AM

Quote:

Originally Posted by PapoZalsa

1- Idled down to allow the turbo to spool down and even out the temperature in the turbo. The engine needs to be running to circulate the oil and coolant if you shut the engine down without idling the engine down it can burn the oil or coolant and in many cases both which will cause carbon blockages in the oil feed and coolant feed and hamper lubrication leading to catastrophic turbo failure.

2- Get a Turbo Timer, so the bearings in the Turbo don't seize (Refer to #1).

I feel very fortunate as I never heard any of this until I'd had my turbo for ten years. Then I started following above recommendation most of the time. I just kept my oil clean.

09-14-2013, 08:50 AM	#1 (permalink)
venus Base Member Join Date: Jul 2013 Location: usa Posts: 105 Drives: Datsun 240Z Rep Power: 12	With turbos 10+ years ago there was shut down protocol. Can’t remember the specifics tho as I never had one. __________________ Finesse is everything.

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09-14-2013, 04:41 PM	#3 (permalink)
N1atmax Base Member Join Date: Mar 2013 Location: Las Vegas Posts: 24 Drives: 2013 370z Nismo Rep Power: 13	I have owned two RX-7s. One of them would always flood. When it was below about 50 degrees out and if I drove it less than 5 min after being cold soaked it would flood. Rotarys have the spark plugs on the lower side of the engine and the plugs are flush with the housing. As stated these V6 engines are like comparing apples and oranges.