in 100 degree weather mines loves premium appx 2200 feet 2.5 dohc
The correct octane fuel for a 1998 Subaru Legacy is RON98. This is the right octane to be used based on this car's engine for best performance.
The best place to find a Subaru Legacy for sale is at a local Subaru dealership. The dealership will often have a selection of new and used Legacy's to choose from.
In general, many of the 1990 through 1993 parts are interchangeable on the Subaru Legacys. But your best source would be a 1991 Subaru Legacy, followed by a 1990 Subaru Legacy. Verify the bolt patters before purchasing from 1992 or 1993.
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The best Subaru deals can actually be made on the official Subaru website, subaru.com. They even have the new 2011 Impreza starting off at $17,495 as well as a Legacy 2011 going for $19,995. Both of which come with 1.9% financing.
Costco does have great batteries. Wanted to mention that Costco's tire shops do not install batteries. I called and asked.
NOS octane booster
I have a 98 3.5 rl and the manual says to use gas with an octane rating of at least 91.
On a 2000 Ford Explorer : The 5.0 liter / 302 cubic inch V8 is designed to run on " regular " unleaded , 87 octane
89 octane Factory specs.
93 octane works best.
92 or 93 octane would be the best for that engine.