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Old 03-07-2013, 02:16 PM
zackvbra zackvbra is offline
LawnSite Senior Member
Join Date: Nov 2012
Location: Lake park, ga
Posts: 555
my stihls exhaust screens clog up with that black nasty gunk when the weather gets good and hot. (We have 100+ degree summers) I have learned to just take the screens off, they run better. Some say they are "spark arrestors" and they are a fire hazard if you remove them, but I have never had any fires started from doing this.
My set up:
-2007 Chevy 2500hd 8.1l 4x4
-7x18 enclosed trailer
-Grasshopper front mount 61", gravely 52"
-36" Gravely Walkbehind, 21" exmark push mower
-Stihl everything
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Old 03-07-2013, 07:44 PM
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BrendonTW BrendonTW is offline
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Join Date: May 2009
Location: Oklahoma City
Posts: 425
Originally Posted by Ocean79 View Post

Like the others say, if not legally required in your area, I'd remove the spark screen. Also, while the Echo oil is good, it is not the most advanced. Try the Shindaiwa RedArmor Oil, (Also an Echo product) my Echo dealer stocks it. It actually cleans out the old carbon and varnish from inside the engine and muffler too. Just remember that spark screen if you keep it in, you will have to check it and clean it if you don't use a better oil.
My dealer sold me some of this. Going to give it a shot.
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Old 03-07-2013, 07:54 PM
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ed2hess ed2hess is offline
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Join Date: Nov 2002
Location: Austin Texas 78727
Posts: 12,482
Keep in mind it isn't a miracle product so you need to clean up the engine before expecting the product to do it. I ran it over teh winter and one
thing I like about it is the dark red which you can see in bbright sun. Kinda nice to pour a little out on gnd to be sure if the tank has oil.
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