Quote:
Originally Posted by Bluevitz-rs
Yeah, other than the fact that some premium fuels might have more additives and cleaners to their gas, use regular and the money saved can be put towards a bottle of injector cleaner every 6 months or so. Every tank would be a couple of bucks at least.
Also, the 1NZ-FE with a 10.5:1 C/R does have a high enough compression to use 91 or higher octane fuel, but the computer's program limits timing so that is runs on regular 87. I know a guy running a Stand Alone ECU on his N/A Echo and has increased his timing by 10° up to around 42° at the upper end of the RPMs and has gained roughly 7-8hp alone from that and premium gas.
You have to remember that this engine was designed with one thought. Fuel efficiency.
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Can you get a stand alone ecu for the yaris? should be similar right?
05-09-2010, 02:48 PM
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