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Our mower, tiller,and log splitter all have Honda GX engines of various size, We are considering a new Honda snowblower with a GC 160 engine. Can someone in the know tell me the significant differences between a GX and GC engine.
Thanks
Tom
 

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No comparison, the GX is a commercial grade engine, Over Head Valve, great rebuild-able carburetor, superior quality internals, etc... The GC is a home owner grade unit, built out of inferior grade materials, a junky non rebuild-able carburetor, Over Head Camshaft with a rubber band excuse for a timing belt. They are notorious for jumping time and having a valve meet the piston. Personally, I would not give one away. I bought a Western Auto Wizard rear tine tiller from a friend of mine, he put a new GC Honda on it because the Briggs was long gone. He never could get it to run right and after I bought it and fought with it for several months I finally ripped that P.O.S. off and threw it in the bushes. We had an old pressure washer laying around at work in the junk pile with a GX on it. After cleaning the carb and putting a little gas in the tank it started on the second pull! Now I have one sweet tiller.

Just my $0.02 worth,
Joe
 

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Like Onan18 said, the GX series is considered commercial grade. Primarily, they have cast iron cylinder liners, overhead valves and ball bearing supported crankshafts. The GC is considered a residential use grade engine. I believe it has an aluminum cylinder, and the overhead cam layout Onan18 mentioned. I have both engines on mowers I have, and I've had nothing but good luck with them both, though I've read where a lot of folks have complained about the GC engine.
The specs are explained a bit more here.
http://engines.honda.com/models/
 

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Not Necessarily true, but often. I do believe the GX series has a metal blower shroud, and the GC shroud is plastic.
 

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Our mower, tiller,and log splitter all have Honda GX engines of various size, We are considering a new Honda snowblower with a GC 160 engine. Can someone in the know tell me the significant differences between a GX and GC engine.
Thanks
Tom
Everything that has been said.

I would never buy a non-cast iron lined cylinder engine. Those GC aluminum cylinders wear out QUICK, I mean very quick. Even if the only difference was the bore liner, no way in my opinion.
 

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Yeah, a new carb for a GC is $20.00 form HONDA! That is a no brainier; you would have to charge at least a half hour labor to re-build the carb, where I work that is $39.00, and it probably will not do any good. Just save your time and money and go for the new carb!
 
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