golden rule of subaru engines. no 91 octane gas !!!!!
golden rule of subaru engines. no 91 octane gas !!!!!
it will do bugger all except put rust on your spark plugs and cause misfiring.
i found the best thing on my 3.0 was to change the air intake system away from that silly nostril breathing low flow unit. next job will be to make a couple of pieces of electronics so fool engine management and take 2 catalytics out
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