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Old 05-25-2008, 10:48 PM   #3 (permalink)
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chrislk1986's Avatar
Join Date: May 2008
Location: PNW
Posts: 21

98CivicHX - '98 Honda Civic HX
90 day: 40.02 mpg (US)
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So far I've done two mows, no noticeable power difference (don't think i'd notice .5 hp ever) but it sounds much better and I got two mows (mine and my neighbors) of the tank and still have enough left for maybe half a yard. Its hard to compare it to a 5+yr old spark plug though...

Its in an old Toro self-propelled mower with a 6hp Briggs & Stratton. It's the best mulcher under 6.5hp I've ever used

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