engine modifications

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    High-Performance GX160 Anyone??

    Hey Guys, This isn't my first mini-chopper project, but on this project I'm making a bike for myself and was looking to do some "high-performance" modifications to get this machine going potentially 50mph?? I've been getting a lot of my information from the Affordable Go Karts (AGK)...
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    Black Spark Plugs??

    Hey guys, I'm fully aware that black tips on your spark plugs are evidence of an engine being run with a very rich fuel mixture and that this can be tuned when you're running an engine with high-performance parts. However, I just tore down a Honda 5.5 hp that i had laying around and it had...
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    Porting & Polishing Cylinder Heads??

    Hey guys, I just a got a Dremel 200 series rotary tool for Christmas and seeing as a I just tore down a Honda 5.5 that I had laying around, i was wondering if any of you guys on the forum had ported and polished any of your cylinder heads by hand. I did a bit of research and you can for...
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    Why Extend Carburetor?

    Hey Guys, I'm just wondering why I've seen some people who modify their engines by extending their carburetor out with a small metal pipe and hooking it up to custom fuel lines. If you look at that picture - you can see what I mean, and I'm just curious to know what its for. Comments??
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    Fuel Linkage Setups??

    Hey Guys, I've been looking into stepping up a mini chopper I'm working on by having the fuel line linked up to the gas tank. But i was wondering what different kinds of fuel linkage setups there are? I'm wondering if I have a 5.5 Honda Clone, then is just a gravity fed setup from the...
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