Abby’s Guide > Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) > Discussions > Okay, Stupid Question Time
Outdoor Power Equipment (Lawn Mowers, Snow Blowers, Chain Saws and more) Discussions |
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Richie
Bring On The White Stuff
Location: Long Island, New York
Joined: Dec 12, 2003
Points: 562
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Re: Okay, Stupid Question Time
Reply #14 Feb 21, 2005 6:17 pm |
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I'll take it to a dealer then, for some reason I didn't think you could change the jet in these carbs, I'll let you know how it works out.
Mang,
Sure you can. It's just a fixed jetting rather than the older/better adjustable type. Once the fixed jet (EPA version) is installed, the engine should start right up and run. No further adjustment necessary. The adjustable carburetor that I installed requires minor adjustments once started. The difference is that I can dial in the fuel mixture for varied conditions and get the engine to run as smooth as possible.
Richie
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jubol
Location: Dover, De
Joined: Oct 3, 2003
Points: 1558
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Re: Okay, Stupid Question Time
Reply #15 Feb 21, 2005 6:39 pm |
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Richie, The adjustable CARB should solve it all, If that is the way he wants to go !! When you turn the screws you are either making it richer or leaner. If he did that , that is, buy the adjustable carb, he might be better off as you are. Fred IMHO
This message was modified Feb 21, 2005 by jubol
Husqvarna STE927(11.5HP) snowblower, MTD Pro Series 18/42 Lawnmower, MTD 6.5 HP Self Prop Lawn Mower, Weedeater 1500 Blower, Web Gensis 2000
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Richie
Bring On The White Stuff
Location: Long Island, New York
Joined: Dec 12, 2003
Points: 562
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Re: Okay, Stupid Question Time
Reply #17 Feb 21, 2005 6:59 pm |
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The adjustable CARB should solve it all, If that is the way he wants to go !! When you turn the screws you are either making it richer or leaner.
Hey there Fred,
I was actually suggesting that Mang change only the main nozzle bowl nut because that fix would only cost maybe $8.00. I didn't want to recommend that he spends $55.00-$75.00 for an adjustable carburetor only to close up the mixture screw in order to lean it out. I also assume this snowblower is used exclusively at altitude, if not, perhaps an adjustable carb may be a better bet. In the end, an adjustable carb allows you to fine tune. Fred, I'm sure either way should solve the problem. I'm an adjustable carb man myself
Richie
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Richie
Bring On The White Stuff
Location: Long Island, New York
Joined: Dec 12, 2003
Points: 562
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Re: Okay, Stupid Question Time
Reply #19 Feb 21, 2005 7:58 pm |
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What got me going on the adjustable carb was the post by Richie (Yes, Richie you did this to me) who stated that the new carb allowed the engine to run alot smoother.
Robert,
I really have to stop hijacking everyone's threads around here, I'm actually surprised nobody has said anything By the way, you blame me, but I in turn blame Marshall for everything I've been posting. This includes the Tecumseh HP/torque thread, me purchasing a new carb, and all the hassle I've been going through dealing with these engine manufacturers trying to get a straight answer to my questions. I actually have a file folder nearly 1-1/2" thick now filled with engine performance charts, tips and tricks, and well, you name it, I've got it. Believe it or not, I actually do have a life beyond snowblowers too BTW...your finely tuned engine will have no problems doing anything your neighbors 10 HP blower can do. If anything, you should be able to out perform his machine under the same conditions.
Richie
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Richie
Bring On The White Stuff
Location: Long Island, New York
Joined: Dec 12, 2003
Points: 562
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Re: Okay, Stupid Question Time
Reply #23 Feb 26, 2005 9:38 pm |
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I would love to replace my carb, at 4400ft I'm losing some hp Hi Mang, Once you pass 3,000ft elevation, you may also want to consider tossing out the standard heat range spark plug and going with a hotter one. One range hotter, perhaps two. Once you do that, check the plug regularly to confirm it's burning the correct color. As for the spark plug gap, going with .028 rather than .030 the owners manual recommends is preferred, and it what I gap my plug at. It is possible to regain a small portion of the HP loss you are experiencing due to your altitude, but that would require advancing the timing several degrees on the engine. I'd see your dealer about making that modification to your flywheel.
Richie
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