Turbo timer's !!!!!, do we need them ???? Options

[popstar]

Turbo timer's as i understand are built into an alarm system so you can leave your car still running to let the turbo cool, while you go and watch the game or whatever...................

everyone tells me i should fit one to my '4', i'm thinking that if this is so important, then Mr toyota would have built one in to the cars central locking system, or not let you turn the engin off before the turbo is cool, thus saving the turbo from cracking................

i can't believe that a turboed car needs this unless you've been giving it some really pounding and then just stop it in -20........

so tell me do i need one and if so why ? and why is one not installed as standard if it's important ??????

thanks

[Insanity-74]

Turbo timers arnt necessary depending upon which oil you use, as mentioned they are designed to allow the turbo to cool, to stop it from baking the oil which causes "sludge" which can block up the turbo oilways. This happens with the good old Dino oil but not with the fully synthetic stuff.

[popstar]

Turbo timers arnt necessary depending upon which oil you use, as mentioned they are designed to allow the turbo to cool, to stop it from baking the oil which causes "sludge" which can block up the turbo oilways. This happens with the good old Dino oil but not with the fully synthetic stuff.
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well again as i'm using synthetic stuff............

but if i ever do drive her hard, i'll give her sometime to cool