Turbo Timers really needed in the uk?
#1
Turbo Timers really needed in the uk?
I have had my wrx a little over a week now and i am just wondering is it really vital to have a turbo timer when the uk weather is so cold anyway. yes i agree if you have been racing your car aound its not the best idea to just turn the engine off!!! but if you have been just driving the car as a normal car (not pushing it) then should you still give the turbo time too cool?
Mike
Mike
#2
Yes! been talked to death on here! my uk turbo has a sticker on the drivers door stating " under heavy highway driving allow the car to idle for 1 minute before turning the engine off" Wont do it any harm to let it idle for a minute or two whenever you take it for a drive
#3
I have had my wrx a little over a week now and i am just wondering is it really vital to have a turbo timer when the uk weather is so cold anyway. yes i agree if you have been racing your car aound its not the best idea to just turn the engine off!!! but if you have been just driving the car as a normal car (not pushing it) then should you still give the turbo time too cool?
Mike
Mike
#4
Yes! been talked to death on here! my uk turbo has a sticker on the drivers door stating " under heavy highway driving allow the car to idle for 1 minute before turning the engine off" Wont do it any harm to let it idle for a minute or two whenever you take it for a drive
#5
Well what i do is after any drive ,i take it easy 5 minutes before im gonna stop like never taking it above 3000rpm then let it idle for a minute when i do.Good habit to get into for sure
#7
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#8
it is not the distance driven, it is ''was the car on boost' just before turning it off, so you could have pootling about all day and then decided to give it some up your street before parking, then you would need to allow the turbo to slow down, the reason being is that most turbo's use a 'floating' bearing, much the same as a big end bearing in that it is metal against metal with a layer of oil in between, if the engine is shut off whilst the turbo is spinning at high speed, the oil flow will stop and the residual oil could burn off due to the temp of the turbo spinning allowing the bearing to technically run dry and risk scoring the bearing faces.
#11
^^^ Good point.
I rarely use mine (it was on the car when I bought it), but occasionally after some "enthusiastic" driving, I like the extra fail-safe of allowing the car to tick over unattended for a few minutes. Yeah, it may not be necessary, but it can't hurt....
I rarely use mine (it was on the car when I bought it), but occasionally after some "enthusiastic" driving, I like the extra fail-safe of allowing the car to tick over unattended for a few minutes. Yeah, it may not be necessary, but it can't hurt....
#14
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#15
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#16
Thing is - if that was true wouldn't subaru have fitted FMIC, bigger turbos, decats, sport cats, bigger exhausts, higher flowing injectors, bigger brakes, coilovers, and the entire whiteline catalogue?
#17
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Why would Subaru fit something that has the possiblity of reducing profit. At anything from £700 to £1500 approx, for a new turbo upto £50 for a Turbo timer seems a good idea. Up here in the North of Scotland mine is also used first thing in the morning to warm the car up to allow it to de-ice or in summer to run the air-con to cool the car down.
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Somebody raised a good point with me and that was that they could be seriously dangerous. God forbid that you were involved in an accident and needed to shut the engine off sharpish (upside down in a ditch) and the thing keeps on running because of the turbo timer. Could be a bit dicey!!
#20
Somebody raised a good point with me and that was that they could be seriously dangerous. God forbid that you were involved in an accident and needed to shut the engine off sharpish (upside down in a ditch) and the thing keeps on running because of the turbo timer. Could be a bit dicey!!
#21
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Turbo timers are a waste of money. I rarely if ever sit there idling after a drive, just drive off boost for the last bit of the journey.I usually throw it in neutral and glide to my stop and turn the engine off as soon as I've fitted the disclok. I don't drive it like I stole it either
#22
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They are activated off the hanbrake switch then o.k . The guys talking boll**ks then. Still seems like a waste of money to me though i just drive off boost last 1 mile journey !!
#23
yeah, if wired in correctly there is a wire that clips to the handbrake switch. The timer only works when the handbrake is applied and then the ignition is switched off.
I'm not going to insist that a Turbo timer is the most essential thing in the world, it isn't - but as I said, I've got the horrible habit of pulling straight into the drive and turning the car off.
I'm not going to insist that a Turbo timer is the most essential thing in the world, it isn't - but as I said, I've got the horrible habit of pulling straight into the drive and turning the car off.
#24
Ok, so we're having a bit "of fun" to a destination that is as yet unknown. At what point is the "one mile or so" driving off boost? Or are we always driving home....?
Sorry, devils avocado strikes again!
Sorry, devils avocado strikes again!
Last edited by RedScoob; 02 April 2007 at 01:05 AM. Reason: Bonkersness...
#25
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I'd have to agree they aren't necessary but surely they must prolong the life of the turbo?
I am terrible for just turning the car straight off when i get home.
How do these work with the alarm? (sorry to hijack)
I am terrible for just turning the car straight off when i get home.
How do these work with the alarm? (sorry to hijack)
#26
With mine, the alarm arms itself once the central locking is triggered, so it's no problem...
I think that we (Impreza drivers) are more susceptable to damage caused by driving through a deep puddle (more likely to cause damaging thermal shock to the turbo housing), than worrying about synthetic oil solidifying in the oil-ways, but still - can't be too careful....
And besides, how much of a tool would I look if I had to sit with the car for 5 mins after every journey. "Sorry, just need to get cool oil into the turbo bearings" (in his best anorak voice). Oh, my lord, what have I become?!?!
I think that we (Impreza drivers) are more susceptable to damage caused by driving through a deep puddle (more likely to cause damaging thermal shock to the turbo housing), than worrying about synthetic oil solidifying in the oil-ways, but still - can't be too careful....
And besides, how much of a tool would I look if I had to sit with the car for 5 mins after every journey. "Sorry, just need to get cool oil into the turbo bearings" (in his best anorak voice). Oh, my lord, what have I become?!?!
#28
Hmm,after doing some small mods to my engine regarding temp probes i think you lot would be amazed at how hot the turbo and engine get in such a short time and what temps it reaches.
i use my alarm timer, 30 seconds,after seeing my temps,its vital,it doesnt matter if its cold out, 15-20 minutes of running the engine sees the same temps as 5-10 mins of summer running
i use my alarm timer, 30 seconds,after seeing my temps,its vital,it doesnt matter if its cold out, 15-20 minutes of running the engine sees the same temps as 5-10 mins of summer running
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#30
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This is what I had read, taken from another thread. But seems to have been repeated a few times in a few threads, including a link showing you a system set up on the newer Scoobies (or I was dreaming)
"although subarus dont need them because your stock IHI turbo is oil and water cooled so you could just shut your car off"
Obviously shutting down straight after a 7k caining would just be stupid.
"although subarus dont need them because your stock IHI turbo is oil and water cooled so you could just shut your car off"
Obviously shutting down straight after a 7k caining would just be stupid.