New car!!!!!!
Just bought myself a 1995 Rx7 and i want to do some stuff to it. What is is turbo timer and why might it help me?
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turbo timers are useless on FD's because the Turbos are water cooled, not oil cooled. Just drive easily w/o boosting for the final 3 or 4 minutes before you get to your house, and pop the hood once you park it to let out the under hood heat. For the time being get yourself:
1. Boost Gauge to see if you get a 10-8-10 boost pattern 2. Upgrade the radiator to a large Koyo or a similar aftermarket, high volume, high efficiency radiator 3. Replace your AST with an Aluminum one 4. Get a Down Pipe to get rid of some under hood heat 5. Learn to drive the car at a road course, take driving lessons 6. READ THE STICKIES AND FAQ'S 7. Post Pictures. |
Basically a auto timer (turbo timer) will let your engine and turbo idle and cool down without you having to sit in the car and wait...
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Running the car at idle doesn't cool the oil temperature. They will go up to an extent because there is no air flow through the oil cooler/coolers. Just drive the car easy the last few miles before you park it.
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You found a '95? Wow congrats! How much did you pay if you don't mind me asking? :)
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Pics are required, post... now.
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Dont have any pictures yet, i go to pick the car up tomorrow at 8 pm. i dont think I am going to be able to sleep tonight
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My humble advice is to stick to maintenance and then reliability mods for 6 months before doing any power mods.
Dave |
Most of you guys have no idea how a turbo timer works to save ur turbos if you think its all just about the temperature of your oil.
When you run your car hard and then go to shut off your car the oil "sits" in that turbo and almost crystallizes or hardens (sorry i don't know the proper terminology). Next time you go to start up that turbo it WILL decrease the life of the turbo. Now if your going to get grocery’s and are driving like a grandma, no there really isn't a need. But spirited drive, etc yes it does serve a good purpose. If you think it has to be water cooled to serve a purpose you are totally incorrect. Having water flow through your turbo instead of oil doesn't really serve a purpose.. Please explain if i am incorrect. It doesn't matter if your oil temps go up a bit when parked. You are still getting flow and fresh oil over those turbo bearings. It won't sit there and bake so to speak. |
Turbo timers are not useless for FD, regardless whether your turbos are water cooled or not, the point of the turbo timer is to continue moving fluid (oil or water) through the turbo thus aiding in the cool down process. Honestly, for the 80 dollars and a harness its a very easy install, looks good, and if your in a hurry you can park the car and let it cool itself for 3 minutes or whatever time you want.
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Get a water temperature gauge instead. The stock gauge is useless.
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Originally Posted by RaPtOr-T
Turbo timers are not useless for FD, regardless whether your turbos are water cooled or not
These turbos are water cooled, and I've never seen an argument that explained how idling the car (which increases underhood air, water, and oil temps significantly) is good for cooling the turbos. Dave |
Originally Posted by dgeesaman
I think you'll find yourself very much in the minority on that opinion.
These turbos are water cooled, and I've never seen an argument that explained how idling the car (which increases underhood air, water, and oil temps significantly) is good for cooling the turbos. Dave |
the car i am purchasing has a turbo timer. I like to believe they help, though I cannot see any good argument one way or the other on them. It does seem that not boosting for the last few minutes of your drive will be more beneficial though.
correct me if I'm wrong, but the oil does not cease flow when you are boosting heavily, the oil flows as fast as the engines turning the oil pump, so as your racing or what have you, you are still getting a constant supply of fresh cooling product, be it oil or water. |
Originally Posted by nickpapagiorgio
I think the argument goes like this: The issue isn't necessarily temperature. Really, what happens is, after spirited driving and heavy boosting, a large amount of oil ends up in the turbos and if you just shut them down, the oil will solidify and harden. Next time you start it up, the hardened oil residue will cause the turbo to prematurely wear. By allowing the car to idle, you allow the oil to escape from the turbo prior to cooling down and therefore, it will not solidify.
The oil drains out of the tubos reletively quickly. Have you seen the size of the drains? And while it's draining, it's carrying heat away. If you shut it down hot, some of the oil MAY solidify on the shaft, causing premature wear. However, I have yet to see a set of FD turbos with any coking. |
Pics of the new car would be nice.......
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who really needs pictures, jsut Imagine............... K enough of that, WE WANT PICS!!!!
:P Prôdigy |
Originally Posted by nickpapagiorgio
I think the argument goes like this: The issue isn't necessarily temperature. Really, what happens is, after spirited driving and heavy boosting, a large amount of oil ends up in the turbos and if you just shut them down, the oil will solidify and harden. Next time you start it up, the hardened oil residue will cause the turbo to prematurely wear. By allowing the car to idle, you allow the oil to escape from the turbo prior to cooling down and therefore, it will not solidify.
Someone else already said it: the oil drains out of the turbos once the engine is stopped anyway. Dave |
I am going to pick the car up tonight. it is a 1995 montego Blue. I was told it is one in like 52 and is pretty rare. Which is really cool but that means I am never going to get a paint job another color. It is kinda funny how we got it, I had a 1990 GTU that my dad had taken a really big likeing to and we wanted to start building a new car too. so he told me he was taking my car and we can get another, so I lost my car that I have been working on for about a year and got another one.
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Montego Blue, nice. Have a little look at my avitar!
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Just out of curiosity, and for aguments sake. When you push these cars the exhaust gets really hot (as well as other engine components) so isn't the real bennifit of driving slowly after a spirited run to let the exhaust temp cool off as well as the engine components ? ? ? We know the car will heat soak without a spirited run but shutting the car off after a spirited run with all the heat in the exhaust will most deffinately transfer back into the turbo's water cooled or not. So the TT would serve the pourpose of allowing the exhaust temperature to cool down even though the engine compartment will climb any way. If you don't thing the exhaust get cherry red take it for a drive at night and do a few 10 psi runs, pull over and take a look.
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