sprintman
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Octane
sprintman replied to CROSSTBOLT's topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
We dont have 87 octane. I think 92 is our lowest. 9 cents a litre difference between them. Oh and never buy fuel with Ethanol in it. Low mileage and other problems too numerous to list -
Octane
sprintman replied to CROSSTBOLT's topic in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
I use 98 octane and nothing else. It actually works out cheaper with the additional mileage. -
There a few easy ways to improve this 1) Use quality fuel (I use 98 RON) with a UCL of some kind and a fuel burn catalyst (I use FPC) 2) Put Nitrogen in the tyres and run at say 36 psi 3) Get a proper wheel alignment from a specialist, not a 'tyre dealer' 4) Replace the crap OEM oils in trans, diff and engine with a lower CF oil (I use RL and worth say 6% improvement) 5) Use a/c only when necessary
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Theres a much easier way. Get a bottle of Auto-Rx and follow the instructions and if the seals arn't torn or damaged most leaks go away. Theres an RX test underway by a BITOG member Aaron and pictures etc are available at http://www.rms13.com. Also checkout what id did for his compression in 1500 miles!
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I have the symptoms of a sticking accelerator when cold. Don't think it's actually sticking just same symptoms. Change gear at say 3,000RPM and it hangs there or rev's higher even. OK when warmed up a bit. High quality 98 octane fuel, recently Techron in fuel so injectors are clean, 75,000kms ony on odo. Any ideas?
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Good post commuter. There are filter flow/pressure drop figures available on BITOG forum. I use PureONE on my other vehicle (Mazda turbo) but I don't think it's a great flowing filter. Can't get Mobil 1 filters here but thats what I'd use if I could. K&N have a good oil filter, can't say the same about their air filter. Users always have high Si numbers (dirt) in oil analysis.
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Delvac 1 is an excellent shear stable oil many regard as Mobil's finest product. Doug Hillary who posts on BITOG from Airlie Beach Qld Australia has Delvac 1 in his Outback , 12 semi's (trucks), and his Porsche. I ran it in my Outback from day of purchase but currently doing Auto-Rx clean and dino a better choice. D1 is CI-4/SL rated, oils don't come much better than this IMO.
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Not so much the Pennzoil (an excellent dino now by the way) but the Fram filter. Cardboard end caps and shoddy anti-drainback valves you don't need if you care for your Sube. And yes M1 5/10W30 is a 'thin' 30W (10.0 cSt @100C). Interesting that the 0W30 is slighty higher in viscosity at 10.3 cSt @100C
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You can change to syn and back to dino as often as you like. That you can't is one of the 10 main fallacies about syn which just won't die off for some reason. Don't change without doing an Auto-Rx clean to remove contaminants in order to get the max benefit of the M1 or whatever. Rember M1 XW30 is formulated at the low end of the 30W range and I'd be looking for something with a little higher viscosity for summer use IMO.