Friction-Fighting Formula - Garage Tech
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Tested on a Dynojet, the near stock 4AGE Toyota twin-cam engine produced 108 whp running 10W-40 conventional oil. By swapping over to the ultralight 0W-5 race oil, power jumped to 114 whp. Past 7,000 rpm, the oil change improved the power output by as much as 9 hp. View Related Article
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